CCNA_640-802_WA.pdf

CCNA_640-802-10262012 Exam A QUESTION 1 For which type of connection should a straight-through cable be used? A. switch to switch B. switch to hub C. switch to router D. hub to hub E. router to PC Correct Answer: C Section: Basic Questions Explanation Explanation/Reference: QUESTION 2 Which type of cable is used to connect the COM port of a host to the COM port of a router or switch? A. crossover B. straight-through C. rolled D. shielded twisted-pair Correct Answer: C Section: Basic Questions Explanation Explanation/Reference: QUESTION 3 What is the first 24 bits in a MAC address called? A. NIC B. BIA C. OUI D. VAI Correct Answer: C Section: Basic Questions Explanation Explanation/Reference: QUESTION 4 In an Ethernet network, under what two scenarios can devices transmit? (Choose two.) A. when they receive a special token B. when there is a carrier C. when they detect no other devices are sending D. when the medium is idle E. when the server grants access Correct Answer: CD Section: Basic Questions Explanation Explanation/Reference: QUESTION 5 Which two benefits are provided by using a hierarchical addressing network addressing scheme? (Choose two.) A. reduces routing table entries B. auto-negotiation of media rates C. efficient utilization of MAC addresses D. dedicated communications between devices E. ease of management and troubleshooting Correct Answer: AE Section: Basic Questions Explanation Explanation/Reference: QUESTION 6 When a host transmits data across a network to another host, which process does the data go through? A. standardization B. conversion C. encapsulation D. synchronization Correct Answer: C Section: Basic Questions Explanation Explanation/Reference: QUESTION 7 Which two Ethernet fiber-optic modes support distances of greater than 550 meters? A. 1000BASE-CX B. 100BASE-FX C. 1000BASE-LX D. 1000BASE-SX E. 1000BASE-ZX Correct Answer: CE Section: Basic Questions Explanation Explanation/Reference: QUESTION 8 Refer to the exhibit: What type of connection would be supported by the cable diagram shown? A. PC to router B. PC to switch C. server to router D. router to router Correct Answer: B Section: Basic Questions Explanation Explanation/Reference: QUESTION 9 Refer to the exhibit: What type of connection would be supported by the cable diagram shown? A. PC to router B. PC to switch C. server to switch D. switch to router Correct Answer: A Section: Basic Questions Explanation Explanation/Reference: QUESTION 10 Which two topologies are using the correct type of twisted-pair cables? (Choose two.) A. B. C. D. E. Correct Answer: DE Section: Basic Questions Explanation Explanation/Reference: QUESTION 11 What are some of the advantages of using a router to segment the network? (Choose two.) A. Filtering can occur based on Layer 3 information. B. Broadcasts are eliminated. C. Routers generally cost less than switches. D. Broadcasts are not forwarded across the router. E. Adding a router to the network decreases latency. Correct Answer: AD Section: Basic Questions Explanation Explanation/Reference: QUESTION 12 Which of the following statements describe the network shown in the graphic? (Choose two.) A. There are two broadcast domains in the network. B. There are four broadcast domains in the network. C. There are six broadcast domains in the network. D. There are four collision domains in the network. E. There are five collision domains in the network. F. There are seven collision domains in the network. Correct Answer: AF Section: Basic Questions Explanation Explanation/Reference: QUESTION 13 Refer to the exhibit: The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem? (Choose three.) A. Ensure that the Ethernet encapsulations match on the interconnected router and switch ports. B. Ensure that cables A and B are straight-through cables. C. Ensure cable A is plugged into a trunk port. D. Ensure the switch has power. E. Reboot all of the devices. F. Reseat all cables. Correct Answer: BDF Section: Basic Questions Explanation Explanation/Reference: QUESTION 14 For what two purposes does the Ethernet protocol use physical addresses? (Choose two.) A. to uniquely identify devices at Layer 2 B. to allow communication with devices on a different network C. to differentiate a Layer 2 frame from a Layer 3 packet D. to establish a priority system to determine which device gets to transmit first E. to allow communication between different devices on the same network F. to allow detection of a remote device when its physical address is unknown Correct Answer: AE Section: Basic Questions Explanation Explanation/Reference: QUESTION 15 A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port? A. This is a 10Mb/s switch port. B. This is a 100Mbs switch port. C. This is an Ethernet port operating at half duplex. D. This is an Ethernet port operating at full duplex. E. This is a port on a network interface card in a PC. Correct Answer: C Section: Basic Questions Explanation Explanation/Reference: QUESTION 16 Refer to the exhibit: A network administrator attempts to ping Host2 from Host1 and receives the result that are shown. What is a possible problem? A. The link between Host1 and Switch1 is down. B. TCP/IP is not functioning on Host1. C. The link between Router1 and Router2 is down. D. The default gateway on Host1 is incorrect. E. Interface Fa0/0 on Router1 is shudown. F. The link between Switch1 and Router1 is down. Correct Answer: C Section: Basic Questions Explanation Explanation/Reference: QUESTION 17 Refer to the exhibit: A technician is troubleshooting a host connectivity problem. The host is unable to ping a server connected to Switch_A. Based on the results of the testing, what could be the problem? A. The host NIC is not functioning. B. A local physical layer problem exists. C. A remote physical layer problem exists. D. TCP/IP has not been correctly installed on the host. Correct Answer: B Section: Basic Questions Explanation Explanation/Reference: The configuration is correct. The output of the ping command indicates that the fault lies on theF0/0 port or between the host and the router. QUESTION 18 Refer to the exhibit: Two buildings on the San Jose campus of a small company must be connected to use Ethernet with a bandwidth of at least 100 Mbps. The company is concerned about possible problems from voltage potential difference between the two buildings. Which media type should be used for the connection? A. UTP cable B. STP cable C. Coaxial cable D. Fiber optic cable Correct Answer: D Section: Basic Questions Explanation Explanation/Reference: QUESTION 19 Which command can be used from a PC to verfy the connectivity between host that connect through path.? A. tracert address B. ping address C. arp address D. traceroute address Correct Answer: A Section: Basic Questions Explanation Explanation/Reference: QUESTION 20 Refer to the exhibit: A network engineer is troubleshooting an internet connectivity problem on the computer. What causing the problem? A. wrong DNS server B. wrong default gateway C. incorrect IP address D. incorrect subnet mask Correct Answer: C Section: Basic Questions Explanation Explanation/Reference: QUESTION 21 Refer to the exhibt. Host A has tested connectivity to a remote network. What is the default gateway for host A? A. 172.16.182.1 B. 192.168.1.1 C. 10.16.176.1 D. 192.168.1.6 Correct Answer: A Section: Basic Questions Explanation Explanation/Reference: QUESTION 22 What is CSMA/CD? A. It is a deterministic mechanism that allows the orderly transmission of frames. B. It is a way that priority is determined for data transmission based on MAC address. C. It is a set of rules that determines path selection in an Ethernet network. D. It is a set of rules that allows the best-effort transmission of frames in a LAN environment. Correct Answer: D Section: Basic Questions Explanation Explanation/Reference: QUESTION 23 What kind of cable should be used to establish a trunked link between two Catalyst 2950 switches? A. a straight-through cable B. an EIA/TIA-232 serial cable C. an auxiliary cable D. a modem cable E. a cross-over cable Correct Answer: E Section: Basic Questions Explanation Explanation/Reference: Cross-over cable is used to connect two switches. QUESTION 24 Refer to the exhibit: What kind of cable should be used to make each connection that s identified by the numbers shown? A. 1 - Ethernet straight-through cable 2 - Ethernet crossover cable 3 - Serial cable 4 - Ethernet straight-through cable B. 1 - Ethernet rollover cable 2 - Ethernet crossover cable 3 - Serial cable 4 - Null modem cable C. 1 - Ethernet straight-through cable 2 - Ethernet crossover cable 3 - Serial cable 4 - Rollover cable D. 1 - Ethernet crossover cable 2 - Ethernet straight-through cable 3 - Fiber Optic cable 4 - Rollover cable E. 1 - Ethernet straight-through cable 2 - Ethernet straight-through cable 3 - Serial cable 4 - Rollover cable Correct Answer: E Section: Basic Questions Explanation Explanation/Reference: QUESTION 25 What is a global command? A. a command that is available in every release of IOS, regardless of the version or deployment status B. a command that can be entered in any configuration mode C. a command that is universal in application and supports all protocols D. a command that is implemented in all foreign and domestic IOS versions E. a command that is set once and affects the entire router Correct Answer: E Section: Basic Questions Explanation Explanation/Reference: QUESTION 26 How many broadcast domains are shown in the graphic assuming only the default VLAN is configured on the switches? A. one B. two C. six D. twelve Correct Answer: A Section: Basic Questions Explanation Explanation/Reference: QUESTION 27 Refer to the exhibit. Complete this network diagram by dragging the correct device name of description name or description to the correct location. Not all the names or descriptions will be used. Select and Place: Correct Answer: Section: Basic Questions Explanation Explanation/Reference: QUESTION 28 Select and Place: Correct Answer: Section: Basic Questions Explanation Explanation/Reference: QUESTION 29 Select and Place: Correct Answer: Section: Basic Questions Explanation Explanation/Reference: QUESTION 30 Select and Place: Correct Answer: Section: Basic Questions Explanation Explanation/Reference: QUESTION 31 Refer to the exhibit: Both switches are using a default configuration. Which two destination addresses will host 4 use to send data to host 1? (Choose two.) A. the IP address of host 1 B. the IP address of host 4 C. the MAC address of host 1 D. the MAC address of host 4 E. the MAC address of the Fa0/0 interface of the R1 router F. the MAC address of the Fa0/1 interface of the R1 router Correct Answer: AF Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 32 What are two characteristics of Telnet? (Choose two.) A. It sends data in clear text format. B. It is no longer supported on Cisco network devices. C. It is more secure than SSH. D. It requires an enterprise license in order to be implemented. E. It requires that the destination device be configured to support Telnet connections. Correct Answer: AE Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 33 A host is attempting to send data to another host on a different network. What is the first action that the sending host will take? A. Drop the data. B. Send the data frames to the default gateway. C. Create an ARP request to get a MAC address for the receiving host. D. Send a TCP SYN and wait for the SYN ACK with the IP address of the receiving host. Correct Answer: B Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 34 Which of the following correctly describe steps in the OSI data encapsulation process? (Choose two.) A. The transport layer divides a data stream into segments and may add reliability and flow control information. B. The data link layer adds physical source and destination addresses and an FCS to the segment. C. Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information. D. Packets are created when the network layer adds Layer 3 addresses and control information to a segment. E. The presentation layer translates bits into voltages for transmission across the physical link. Correct Answer: AD Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 35 Which layer of the OSI reference model uses the hardware address of a device to ensure message delivery to the proper host on a LAN? A. physical B. data link C. network D. transport Correct Answer: B Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 36 Which layer of the OSI reference model uses flow control, sequencing, and acknowledgements to ensure that reliable networking occurs? A. data link B. network C. transport D. presentation E. physical Correct Answer: C Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 37 A network admin wants to know every hop the packets take when he accesses cisco.com. Which command is the most appropriate to use? A. path cisco.com B. debug cisco.com C. trace cisco.com D. traceroute cisco.com Correct Answer: D Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 38 Where does routing occur within the DoD TCP/IP reference model? A. application B. internet C. network D. transport Correct Answer: B Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 39 Which network protocol does DNS use? A. FTP B. TFTP C. TCP D. UDP E. SCP Correct Answer: D Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 40 When two hosts are trying to communicate across a network, how does the host originating the communication determine the hardware address of the host that it wants to "talk" to? A. RARP request B. Show Network Address request C. Proxy ARP request D. ARP request E. Show Hardware Address request Correct Answer: D Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 41 An administrator attempts a traceroute but receives a "Destination Unreadable" message. Which protocol is responsible for that message? A. RARP B. RUDP C. ICMP D. SNMP Correct Answer: C Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 42 Which layer in the OSI reference model is responsible for determining the availability of the receiving program and checking to see if enough resources exist for that communication? A. transport B. network C. presentation D. session E. application Correct Answer: E Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 43 Data transfer is slow between the source and destination. The Quality of Service requested by the transport layer in the OSI reference model is not being maintained. To fix this issue, at which layer should the troubleshooting process begin? A. presentation B. session C. transport D. network E. physical Correct Answer: D Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 44 Which protocols are found in the network layer of the OSI reference model and are responsible for path determination and traffic switching? A. LAN B. routing C. WAN D. network Correct Answer: B Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 45 Refer to the exhibit: An administrator pings the default gateway at 10.10.10.1 and sees the output as shown. At which OSI layer is the problem? A. data link layer B. application layer C. access layer D. session layer E. network layer Correct Answer: E Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 46 Refer to the exhibit: After HostA pings HostB, which entry will be in the ARP cache of HostA to support this transmission? A. B. C. D. E. F. Correct Answer: D Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 47 An inbound access list has been configured on a serial interface to deny packet entry for TCP and UDP ports 21, 23 and 25. What types of packets will be permitted by this ACL? (Choose three.) A. FTP B. Telnet C. SMTP D. DNS E. HTTP F. POP3 Correct Answer: DEF Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 48 Which of the following are types of flow control? (Choose three.) A. buffering B. cut-through C. windowing D. congestion avoidance E. load balancing Correct Answer: ACD Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 49 Which destination addresses will be used by Host A to send data to Host C? (Choose two.) A. the IP address of Switch 1 B. the MAC address of Switch 1 C. the IP address of Host C D. the MAC address of Host C E. the IP address of the router's E0 interface F. the MAC address of the router's E0 interface Correct Answer: CF Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 50 Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true? (Choose two.) A. Router C will use ICMP to inform Host 1 that Host 2 cannot be reached. B. Router C will use ICMP to inform Router B that Host 2 cannot be reached. C. Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached. D. Router C will send a Destination Unreachable message type. E. Router C will send a Router Selection message type. F. Router C will send a Source Quench message type. Correct Answer: AD Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 51 Refer to the exhibit: Which destination addresses will Host A use to send data to Host B? (Choose two.) A. the IP address of Switch1 B. the IP address of Router1 Fa0/0 C. the IP address of HostB D. the MAC address of Switch1 E. the MAC address of Router1 Fa0/0 F. the MAC address of HostB Correct Answer: CE Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 52 A network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test? (Choose two.) A. ARP B. CDP C. DHCP D. DNS E. ICMP Correct Answer: AE Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 53 Refer to the exhibit: Host A pings Host B. What source MAC address and source IP address are contained in the frame as the frame leaves R2 destined for host B? A. abcd.abcd.a001 B. abcd.abcd.b002 C. abcd.abcd.c003 D. 10.2.0.15 E. 10.0.64.1 F. 10.0.128.15 Correct Answer: BD Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 54 Refer to the exhibit: SW1 and SW2 have default configurations. What will happen if host 1 sends a broadcast? A. Hosts 2, 3, and 4 will receive the broadcast. B. Hosts 1, 2, 3, and 4 will receive the broadcast. C. Fa0/0 interface of R1 will receive the broadcast. D. Hosts 1, 2 and the Fa0/0 interface of R1 will receive the broadcast. E. Hosts 1, 2, 3, 4 and interface Fa0/0 of R1 will receive the broadcast. F. Hosts 2, 3, 4, and interfaces Fa0/0 and Fa0/1 of R1 will receive the broadcast. Correct Answer: C Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 55 As a frame leaves a Layer 3 device, the Layer 2 encapsulation information is changed from what it was when it entered the device. For what two reasons can this happen? (Choose two.) A. The data is moving from 10BASE-TX to 100BASE-TX. B. The WAN encapsulation type has changed. C. The data format has changed from analog to digital. D. The source and destination hosts are in the same subnet. E. The source and destination MAC addresses have changed. Correct Answer: BE Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 56 Refer to the exhibit: In the communication between host 1 and host 2 over the point-to-point WAN, which protocol or technology is represented by dashed line A? A. IP B. T1 C. PPP D. IEEE 802.3 Correct Answer: A Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 57 Refer to the exhibit: The switch in the graphic has a default configuration and the MAC table is fully populated. In addition, this network is operating properly. The graphic represents selected header information in a frame leaving host A. What can be concluded from this information? A. The MAC address of host A is FFFF.FFFF.FFFF. B. The router will forward the packet in this frame to the Internet. C. The switch will only forward this frame to the attached router interface. D. All devices in this LAN except host A will pass the packet to Layer 3. Correct Answer: D Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 58 Which protocol should be used to establish a secure terminal connection to a remote network device? Select the best response. A. ARP B. SSH C. Telnet D. WEP E. SNMPv1 F. SNMPv2 Correct Answer: B Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 59 An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm? A. The PC has connectivity with a local host. B. The PC has connectivity with a Layer 3 device. C. The PC has a default gateway correctly configured D. The PC has connectivity up to Layer 5 of the OSI model E. The PC has the TCP/IP protocol stack correctly installed. Correct Answer: E Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 60 What is the purpose using the traceroute command? A. to map all the devices on a network. B. to display the current TCP/IP configuration values. C. to see how a device MAC address is mapped to its IP address. D. to see the path a packet will take when traveling to a specified destination. E. to display the MTU values for each router in a specified network path from source to a destination. Correct Answer: D Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 61 Which statement is correct regarding the operation of DHCP? A. A DHCP client uses a ping to detect address conflicts. B. A DHCP server uses a gratuitous ARP to detect DHCP clients. C. A DHCP client uses a gratuitous ARP to detect a DHCP server. D. If an address conflict is detected, the address is removed from the pool and an administrator must resolve the conflict. E. If an address conflict is detected, the address removed from the pool for an amount of time configurable by the administrator. F. If an address conflict is detected, the address is removed from the pool and will not be reused until server is rebooted. Correct Answer: E Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 62 Acknowldgement, Sequencing, and Flow control are characteristics of which OSI layer? A. Layer 2 B. Layer 3 C. Layer 4 D. Layer 5 E. Layer 6 F. Layer 7 Correct Answer: C Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 63 A network administrator is verifying the configuration of a newly installed host by establishing an FTP connection to a remote server. What is the highest layer of the protocol stack that the nework administrator is using for this operation? A. application B. presentation C. session D. transport E. internet F. data link Correct Answer: A Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 64 A TCP/IP Transfer is diagrammed in the exhibit. A window size of three has been negotiated for this transfer. Which message will be returned from the receiver to the sender as part of this TCP/IP transfer? A. Send ACK 1-3 B. Send ACK 3 C. Send ACK 4 D. Send ACK 4-6 E. Send ACK 6 F. Send ACK 7 Correct Answer: C Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 65 A receiving host computes the checksum on a frame and determines that the frame is damaged.The frame is then discarded.At which OSI layer did this happen? A. session B. network C. physical D. data link E. transport Correct Answer: D Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 66 Which of the following protocols uses both TCP and UDP ports? A. SMTP B. Telnet C. FTP D. DNS Correct Answer: D Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 67 DNS servers provide what service? A. They run a spell check on host names to ensure accurate routing B. They convert domain names into IP address C. Given an IP address,they determine the name of the host that is sought D. They map individual hosts to their specific IP addresses Correct Answer: B Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 68 Regarding the extended ping command; which of the statements below are true? (Choose two) A. With the extended ping command you can specify the TCP and UDP port to be pinged. B. With the extended ping command you can specify the timeout value. C. The extended ping command is supported from user EXEC mode. D. The extended ping command is available from privileged EXEC mode. Correct Answer: BD Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 69 When you use the ping command to send ICMP messages across a network, what's the most common request/reply pair you'll see? A. Echo request and Echo reply B. ICMP hold and ICMP send C. Echo off and Echo on D. ICMP request and ICMP reply Correct Answer: A Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 70 Refer to the exhibit: A technician is testing connection problems in the internetwork. What is the problem indicated by the output from HostA? A. The routing on Router2 is not functioning properly. B. An access list is applied to an interface of Router3. C. The Fa0/24 interface of Switch1 is down. D. The gateway address of HostA is incorrect or not configured. Correct Answer: D Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 71 At which OSI layer is a logical path created between two host systems? A. session B. transport C. network D. data link E. physical Correct Answer: C Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 72 Which of the following are associated with the application layer of the OSI model? (Choose two.) A. ping B. Telnet C. FTP D. TCP E. IP Correct Answer: BC Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 73 Refer to the exhibit: Host A needs to send data to Host B. Which Layer 2 and Layer 3 destination addresses will be used to send the data from Host A to Host B? A. 192.168.60.5 and 0011.43da.2c98 B. 192.168.60.5 and 0007.0e56.ab2e C. 192.168.24.1 and 0007.0e56.ab2e D. 192.168.24.2 and 0007.0e84.acef Correct Answer: B Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 74 Refer to the exhibit: What is the correct addressing for a frame and packet received by Host B from Host A? A. Destination MAC: 0011.43da.2c98 Source MAC: 0070.0e8f.088a Destination IP: 192.168.60.5 Source IP: 192.168.24.5 B. Destination MAC: 0011.43da.2c98 Source MAC: 00b0.d0ef.5f6a Destination IP: 192.168.60.5 Source IP: 192.168.24.5 C. Destination MAC: 0011.43da.2c98 Source MAC: 0070.0e8f.088a Destination IP: 192.168.60.5 Source IP: 192.168.60.1 D. Destination MAC: 0011.43da.2c98 Source MAC: 0070.0e97.af4e Destination IP: 192.168.60.5 Source IP: 192.168.60.2 Correct Answer: A Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 75 Refer to the graphic: Host A is communicating with the server. What will be the destination MAC address of the frames sent by Host A to the server? A. the MAC address of router interface e0 B. the MAC address of router interface e1 C. the MAC address of the server network interface D. the MAC address of the network interface of Host A Correct Answer: A Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 76 How dose a DHCP server dynamically assign IP address to host? A. Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement. B. Addresses are assigned for a fixed period of time. At the end of period, a new quest for an address must be made, and another address is then assigned. C. Addresses are leased to host. A host will usually keep the same address by periodically contacting the DHCP sever to renew the lease. D. Addresses are permanently assigned so that the host uses the same address at all times. Correct Answer: C Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 77 Which two tasks does the Dynamic Host Configuration Protocol perform? (Choose two) A. Set the IP gateway to be used by the network. B. Perform host discovery used DHCPDISCOVER message. C. Configure IP address parameters from DHCP server to a host. D. Provide an easy management of layer 3 devices. E. Monitor IP performance using the DHCP server. F. Assign and renew IP address from the default pool. Correct Answer: CF Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 78 Refer to the exhibit: The partial frame shown in the exhibit displays select header information as it arrives at the destination host. Which graphic represents the correct header information in the responding frame returned to the remote host? A. B. C. D. E. Correct Answer: D Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: On the basis of the layer3 information of the datagram header provided in the subject, remote devices and destination devices are in the same network segment. So, when remote devices reply to this data, the source and the destination address of layer2 information will transfer order, so do the layer3 and layer4 information. QUESTION 79 Refer to the exhibit: The partial frame in the graphic represents select header information within a frame arriving at a destination host. What can be determined from this information? A. The source host is a Telnet server. B. This frame contains the first segment in a Telnet session. C. The local host has received 42,335 bytes from the remote host as a part of this conversation. D. The Layer 2 address of the source host is 192.168.14.2. Correct Answer: B Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: From the chart above, we can may source and destination MAC, source and destination IP address, dialog port number, and so on. telnet port number is 23. so this is a frame information concerning TELNET. QUESTION 80 Refer to the exhibit: Which rule does the DHCP server use when there is an IP address conflict? A. The address is removed from the pool until the conflict is resolved. B. The address remains in the pool until the conflict is resolved. C. Only the IP detected by Gratuitous ARP is removed from the pool. D. Only the IP detected byPing is removed from the pool. E. The IP will be shown, even after the conflict is resolved. Correct Answer: A Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 81 Match the items on the left with appropriate OSI layer on the right. (Not all options are used.) Select and Place: Correct Answer: Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 82 Refer to the exhibit: PC-A is sending packets to the FTP server. Consider the packets as they leave RA interface Fa0/0 forwards RB. Drag the correct frame and packet address to their places in the table. Select and Place: Correct Answer: Section: TCP/IP (Including OSI Model, IOS, Telnet, DHCP) Explanation Explanation/Reference: QUESTION 83 Refer to the exhibit: What could be possible causes for the "Serial0/0 is down" interface status? (Choose two.) A. A Layer 1 problem exists. B. The bandwidth is set too low. C. A protocol mismatch exists. D. An incorrect cable is being used. E. There is an incorrect IP address on the Serial 0/0 interface. Correct Answer: AD Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 84 Before installing a new upgraded version of the IOS, what should be checked on the router and which command should be used to gather this information? (Choose two.) A. the amount of available ROM B. the amount of available flash and RAM memory C. the version of the bootstrap software present on the router D. show version E. show processes F. show running-config Correct Answer: BD Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 85 Which line from the output of the show ip interface command indicates a layer 1 problem? A. Serial0/1 is up, line protocol is down B. Serial0/1 is down, line protocol is down C. Serial0/1 is up, line protocol is up D. Serial0/1 is administratively down, line protocol is down Correct Answer: B Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 86 When you are logged into a switch, which prompt indicates that you are in privileged mode? A. % B. @ C. > D. $ E. # Correct Answer: E Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 87 Which command shows system hardware and software version information? A. show configuration B. show environment C. show inventory D. show platform E. show version Correct Answer: E Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 88 Which command would correctly configure a serial port on a router with the last usable host address in the 192.216.32.32/29 subnet? A. Router(config-if)# ip address 192.216.32.38 255.255.255.240 B. Router(config-if)# ip address 192.216.32.39 255.255.255.224 C. Router(config-if)# ip address 192.216.32.63 255.255.255.248 D. Router(config-if)# ip address 192.216.32.39 255.255.255.248 E. Router(config-if)# ip address 192.216.32.63 255.255.255.248 F. Router(config-if)# ip address 192.216.32.38 255.255.255.248 Correct Answer: F Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 89 Which command is used to copy the configuration from RAM into NVRAM? A. copy running-config startup-config B. copy startup-config: running-config: C. copy running config startup config D. copy startup config running config E. write terminal Correct Answer: A Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 90 Which command is used to load a configuration from a TFTP server and merge the configuration into RAM? A. copy running-config: TFTP: B. copy TFTP: running-config C. copy TFTP: startup-config D. copy startup-config: TFTP: Correct Answer: B Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 91 A system administrator types the command to change the hostname of a router. Where on the Cisco IFS is that change stored? A. NVRAM B. RAM C. FLASH D. ROM E. PCMCIA Correct Answer: B Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 92 Refer to the exhibit: If number 2 is selected from the setup script, what happens when the user runs setup from a privileged prompt? A. Setup is additive and any changes will be added to the config script. B. Setup effectively starts the configuration over as if the router was booted for the first time. C. Setup will not run if an enable secret password exists on the router. D. Setup will not run, because it is only viable when no configuration exists on the router. Correct Answer: A Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 93 Refer to the exhibit: What can be determined about the router from the console output? A. No configuration file was found in NVRAM. B. No configuration file was found in flash. C. No configuration file was found in the PCMCIA card. D. Configuration file is normal and will load in 15 seconds. Correct Answer: A Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 94 Refer to the exhibit: What can be determined from the output? A. 192.168.1.2 is local to the router. B. 192.168.3.1 is local to the router. C. 192.168.1.2 will age out in less than 1 minute. D. 192.168.3.1 has aged out and is marked for deletion. Correct Answer: B Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 95 Which router IOS commands can be used to troubleshoot LAN connectivity problems? (Choose three.) A. ping B. tracert C. ipconfig D. show ip route E. winipcfg F. show interfaces Correct Answer: ADF Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 96 What functions do routers perform in a network? (Choose two.) A. packet switching B. access layer security C. path selection D. VLAN membership assignment E. bridging between LAN segments F. microsegmentation of broadcast domains Correct Answer: AC Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 97 Refer to the partial command output shown: Which two statements are correct regarding the router hardware? (Choose two.) A. Total RAM size is 32 KB. B. Total RAM size is 16384 KB (16 MB). C. Total RAM size is 65536 KB (64 MB). D. Flash size is 32 KB. E. Flash size is 16384 KB (16 MB). F. Flash size is 65536 KB (64 MB). Correct Answer: CE Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 98 How does using the service password encryption command on a router provide additional security? A. by encrypting all passwords passing through the router B. by encrypting passwords in the plain text configuration file C. by requiring entry of encrypted passwords for access to the device D. by configuring an MD5 encrypted key to be used by routing protocols to validate routing exchanges E. by automatically suggesting encrypted passwords for use in configuring the router Correct Answer: B Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 99 Refer to the exhibit: Host in network 192.168.2.0 are unable to reach hosts in network 192.168.3.0. Based on the output from RouterA, what are two possible reasons for the failure? (Choose two.) A. The cable that is connected to S0/0 on RouterA is faulty. B. Interface S0/0 on RouterB is administratively down. C. Interface S0/0 on RouterA is configured with an incorrect subnet mask. D. The IP address that is configured on S0/0 of RouterB, is not in the correct subnet. E. Interface S0/0 on RouterA is not receiving a clock signal. F. The encapsulation that is configured on S0/0 of RotuerB does not match the encapsulation that is configured on S0/0 of RouterA. Correct Answer: EF Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 100 Refer to the diagram: What is the largest configuration file that can be stored on this router? A. 191K bytes B. 16384K bytes C. 31369K bytes D. 114688K bytes Correct Answer: A Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 101 A network administrator needs to allow only one Telnet connection to a router. For anyone viewing the confguration and issuing the show run command, the password for Telnet access should be encrypted. Which set of commands will accomplish this task? A. service password-encryption access-list 1 permit 192.168.1.0 0.0.0.255 line vty 0 4 login password cisco access-class 1 B. enable password secret line vty 0 login password cisco C. service password-encryption line vty 1 login password cisco D. service password-encryption line vty 0 4 login password cisco Correct Answer: C Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 102 Refer to the exhibit: What is the meaning of the output MTU 1500 bytes? A. The maximum number of bytes that can traverse this interface per second is 1500. B. The minimum segment size that can traverse this interface is 1500 bytes. C. The minimum segment size that can traverse this interface is 1500 bytes. D. The minimum packet size that can traverse this interface is 1500 bytes. E. The maximum packet size that can traverse this interface is 1500 bytes. F. The maximum frame size that can traverse this interface is 1500 bytes. Correct Answer: E Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 103 Refer to the exhibit: A network administrator configures a new router and enters the copy startup-config running-config on the router. The network administrator powers down the router and sets it up at a remote location. When the router starts, it enter the system configuration dialog as shown. What is the caust of the problem? A. The network administrator faled to save the configuration. B. The configuration register is set to 0x2100. C. The boot system flash command is missing from the configuration. D. The configuraiton register is set to 0x2102. E. The router is configured with the boot system startup command. Correct Answer: A Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 104 Which command can you use to determine the Cisco IOS feature set on a Cisco router? A. show version B. dir flash:|include ios C. show environment D. show diag E. show inventory Correct Answer: A Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 105 A Cisco router is booting and has just completed the POST process. It is now ready to find and load an IOS image. What function does the router perform next? A. It checks the configuration register B. It attempts to boot from a TFTP server C. It loads the first image file in flash memory D. It inspects the configuration file in NVRAM for boot instructions Correct Answer: A Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 106 The network administrator normally establishes a Telnet session with the switch from host A. The administrator's attempt to establish a connect via Telnet to the switch from host B fails, but pings from host B to other two hosts are successful. What is the issue for this problem? A. Host B and the switch need to be in the same subnet. B. The switch needs and appropriate default gateway assigned. C. The switch interface connected to the router is down. D. Host B need to be assigned an IP address in vlan 1. Correct Answer: B Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 107 Which command can be executed on a router to verify the layer 3 path to a host? A. traceroute address B. tracert address C. ssh address D. telnet address Correct Answer: A Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 108 Which command shows your active Telnet connections? A. show sessions B. show cdp neighbors C. show users D. show queue Correct Answer: A Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 109 There are no boot system commands in a router configuration in NVRAM. What is the fallback sequence that router will use to find an IOS during reload? A. Flash, TFTP server, ROM B. Flash, NVRAM, ROM C. ROM, NVRAM, TFTP server D. NVRAM, TFTP server, ROM E. TFTP server, Flash, NVRAM Correct Answer: A Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 110 When upgrading the IOS image, the network administrator receives the exhibited error message. What could be the cause of this error? A. The new IOS image is too large for the router flash memory. B. The TFTP server is unreachable from the router. C. The new IOS image is not correct for this router platform. D. The IOS image on the TFTP server is corrupt. E. There is not enough disk space on the TFTP server for the IOS image. Correct Answer: B Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 111 Refer to the exhibit: The technician wants to upload a new IOS in the router while keeping the existing IOS. What is the maximum size of an IOS file that could be loaded if the original IOS is also kept in flash? A. 3MB B. 5MB C. 7MB D. 4MB Correct Answer: D Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 112 Exhibit #show flash: Refer to the graphic. A network associate is planning to copy a new IOS image into the router. This new image requires 8 MB of flash memory and 32 MB of RAM. How will the IOS proceed with the copy process? A. The new IOS will be copied into flash memory and the current image will remain. B. IOS will issue an error message because flash memory is not large enough to hold the new image. C. The current IOS image must be manually erased before IOS will allow the new image to be copied. D. During the copy process, the current IOS image will be erased. Correct Answer: A Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 113 This graphic shows the results of an attempt to open a Telnet connection to router ACCESS1 from router Remote27. Which of the following command sequences will correct this problem? A. ACCESS1(config)# line console 0 ACCESS1(config-line)# password cisco B. Remote27(config)# line console 0 Remote27(config-line)# login Remote27(config-line)# password cisco C. ACCESS1(config)# line vty 0 4 ACCESS1(config-line)# login ACCESS1(config-line)# password cisco D. Remote27(config)# line vty 0 4 Remote27(config-line)# login Remote27(config-line)# password cisco E. ACCESS1(config)# enable password cisco F. Remote27(config)# enable password cisco Correct Answer: C Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 114 Refer to the exhibit: After the power-on self test (POST), the system LED of a Cisco 2950 switch turns amber. What is the status of the switch? A. The switch has a problem with the internal power supply and needs an external power supply to be attached. B. The switch has experienced an internal problem but data can still be forwarded at a slower rate. C. The POST was successful. D. POST failed and there is a problem that prevents the operating system of the switch from being loaded. Correct Answer: D Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 115 Refer to the exhibit. Which user-mode password has just been set? A. Telnet B. Auxiliary C. SSH D. Console Correct Answer: A Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: Explanation: QUESTION 116 A network administrator has installed a new router in the Lisbon office and is unable to backup the IOS image of the new router to a TFTP server located in the Gibraltar office. Given the network diagram, identify the source of the problem. A. incorrect default gateway of the TFTP server B. incorrect subnet mask of the TFTP server C. incorrect IP address of the TFTP server D. incorrect IP address on E0 of the Gibraltar router E. incorrect subnet mask on the Lisbon router Correct Answer: B Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 117 Refer to the exhibit: Users on WS1 and WS2 are unable to reach the SR1 and SR2 servers to gain the files needed. A ping from the workstations WS1 and WS2 to the gateway address 192.168.2.1 is successful. Which IOS command should the IT administrator issue on RTA to troubleshoot the problem? A. show ip route B. configure terminal C. show startup-config D. show ip interface FastEthernet0/0 Correct Answer: A Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: show ip route command displays the routing table which provides the information about networks the router has routes. QUESTION 118 Refer to the exhibit: Assuming that the router is configured with the default settings, what type of router interface is this? A. Synchronous Serial B. Gigabit Ethernet C. Ethernet D. Asynchronous Serial E. Fast Ethernet Correct Answer: E Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: From BW1000000Kbit,Encapsulation ARPA in the command line, we know that the interface is a 100M Ethernet interface. QUESTION 119 Select and Place: Correct Answer: Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 120 Drag the items to the proper locations. Select and Place: Correct Answer: Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 121 As a CCNA candidate, you are required to have a firm understanding of the OSI model. At which layers of the OSI model do Wide Area Networks operate? Please drag the items to the proper locations. Select and Place: Correct Answer: Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 122 Select and Place: Correct Answer: Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 123 The left describes boot sequence, while the right describes the orders. Drag the items on the left to the proper locations. Select and Place: Correct Answer: Section: Cisco IOS basic (incl. show cmnds, loading process) Explanation Explanation/Reference: QUESTION 124 Which two locations can be configured as a source for the IOS image in the boot system command? (Choose two.) A. RAM B. NVRAM C. flash memory D. HTTP server E. TFTP server F. Telnet server Correct Answer: CE Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 125 What are two reasons a network administrator would use CDP? (Choose two.) A. to verify the type of cable interconnecting two devices B. to determine the status of network services on a remote device C. to obtain VLAN information from directly connected switches D. to verify Layer 2 connectivity between two devices when Layer 3 fails E. to obtain the IP address of a connected device in order to telnet to the device F. to determine the status of the routing protocols between directly connected routers Correct Answer: DE Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 126 A network administrator changes the configuration register to 0x2142 and reboots the router. What are two results of making this change? (Choose two.) A. The IOS image will be ignored. B. The router will prompt to enter initial configuration mode. C. The router will boot to ROM. D. Any configuration entries in NVRAM will be ignored. E. The configuration in flash memory will be booted. Correct Answer: BD Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 127 QoS policies are applied on the switches of a LAN. Which type of command will show the effects of the policy in real time? A. show command B. debug command C. configuration command D. rommon command Correct Answer: B Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 128 Which command is used to debug a ping command? A. debug icmp B. debug ip icmp C. debug tcp D. debug packet Correct Answer: B Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 129 Which command displays CPU utilization? A. show protocols B. show process C. show system D. show version Correct Answer: B Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 130 Which command reveals the last method used to powercycle a router? A. show reload B. show boot C. show running-config D. show version Correct Answer: D Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 131 Refer to the exhibit: You are connected to the router as user Mike. Which command allows you to see output from the OSPF debug command? A. terminal monitor B. show debugging C. show sessions D. show ip ospf interface Correct Answer: A Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 132 The switches shown in the diagram, Core and Core2, are both Catalyst 2950s. The addressing scheme for each company site is as follows: Router Ethernet port - 1st usable address Core - 2nd usable address Core2 - 3rd usable address For this network, which of the following commands must be configured on Core2 to allow it to be managed remotely from any subnet on the network? (Choose three.) A. Core2(config)# interface f0/0 Core2(config-if)# ip address 192.168.1.10 255.255.255.248 B. Core2(config)# interface vlan 1 Core2(config-if)# ip address 192.168.1.11 255.255.255.248 C. Core2(config)# line con 0 Core2(config-line)# password cisco D. Core2(config)# line vty 0 4 Core2(config-line)# password cisco E. Core2(config)# ip default-gateway 192.168.1.9 F. Core2(config)# ip route 0.0.0.0 0.0.0.0 192.168.1.8 Correct Answer: BDE Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 133 What should be done prior to backing up an IOS image to a TFTP server? (Choose three.) A. Make sure that the server can be reached across the network. B. Check that authentication for TFTP access to the server is set. C. Assure that the network server has adequate space for the IOS image. D. Verify file naming and path requirements. E. Make sure that the server can store binary files. F. Adjust the TCP window size to speed up the transfer. Correct Answer: ACD Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 134 What is the purpose using the traceroute command? A. to map all the devices on a network. B. to display the current TCP/IP configuration values. C. to see how a device MAC address is mapped to its IP address. D. to see the path a packet will take when traveling to a specified destination. E. to display the MTU values for each router in a specified network path from source to a destination. Correct Answer: D Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 135 Refer to the exhibit: The two exhibit devices are the only Cisco devices on the network. The serial network between the two devices has a mask of 255.255.255.252. Given the output that is shown, what three statements are true of these devices? (Choose three.) A. The Manchester serial address is 10.1.1.1 B. The Manchester serial address is 10.1.1.2 C. The London router is a Cisco 2610. D. The Manchester router is a Cisco 2610. E. The CDP information was received on port Serial0/0 of the Manchester router. F. The CDP information was sent by port Serial0/0 of the London Router. Correct Answer: ACE Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 136 Refer to the exhibit: A router boots to the prompt shown in the exhibit. What does this signify, and how should the network administrator respond? A. This prompt signifies that the configuration file was not found in NVRAM. The network administrator should follow the prompts to enter a basic configuration. B. The prompt signifies that the configuration file was not found in flash memory. The network administrator should use TFTP to transfer a configuration file to the router. C. The prompt signifies that the IOS image in flash memory is invalid or corrupted. The network administrator should use TFTP to transfer an IOS image to the router. D. The prompt signifies that the router could not authenticate the user. The network administrator should modify the IOS image and reboot the router. Correct Answer: C Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 137 Refer to the exhibit: Why is flash memory erased prior to upgrading the IOS image from the TFTP server? A. The router cannot verify that the Cisco IOS image currently in flash is valid B. Flash memory on Cisco routers can contain only a single IOS image. C. Erasing current flash content is requested during the copy dialog. D. In order for the router to use the new image as the default, it must be the only IOS image in flash. Correct Answer: C Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 138 Refer to the exhibit: For what two reasons has the router loaded its IOS image from the location that is shown? (Choose two.) A. Router1 has specific boot system commands that instruct it to load IOS from a TFTP server. B. Router1 is acting as a TFTP server for other routers. C. Router1 cannot locate a valid IOS image in flash memory. D. Router1 defaulted to ROMMON mode and loaded the IOS image from a TFTP server. E. Cisco routers will first attempt to load an image from TFTP for management purposes. Correct Answer: AC Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 139 Which two privileged mode Cisco IOS commands can be used to determine a Cisco router chassis serial number? (Choose two) A. show inventory B. show flash:filesys C. dir flash:|include chassis D. show diag E. show controllers Correct Answer: AD Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 140 Which command helps a network administrator to manage memory by displaying flash memory and NVRAM utilization? A. show secure B. show file systems C. show flash D. show version Correct Answer: B Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 141 Refer to the exhibit. What is the effect of the configuration that is shown? A. It tells the router or switch to try establish an SSH connection first and if that fail to use telnet. B. It configures a cisco network device to use the SSH protocol on incoming communications via the virtual terminal ports. C. It allows seven failed login attempts before the VTY lines are temporarily shutdown. D. It configures the virtual terminal lines with the password 030752180500. E. It configures SSH globally for all logins. Correct Answer: B Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 142 Which commands is necessary to permit SSH and Telnet access to a Catalyst? A. transport type all B. transport output all C. transport preferred all D. transport input all Correct Answer: D Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 143 Refer to the exhibit: A network technician is troubleshooting a connectivity problem on R2. The technician enters the show cdp neighbors command at the R2 console. If the network is composed only of Cisco devices, for which devices should entries be displayed? A. R1 B. SW-B and R1 C. SW-B, R1, and SW-C D. R3, SW-B, R1, and SW-C E. SW-A, R3, SW-B, R1, and SW-C F. Host A, SW-A, R3, SW-B, R1, and SW-C Correct Answer: B Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: CDP only gathers information about directly connected neighbor’s information. QUESTION 144 Drag each definition on the left to the matching term on the right Select and Place: Correct Answer: Section: Cisco IOS adv. (incl. file mngmnt, CDP, global cmnds) Explanation Explanation/Reference: QUESTION 145 Refer to the exhibit: The networks connected to router R2 have been summarized as a 192.168.176.0/21 route and sent to R1. Which two packet destination addresses will R1 forward to R2? (Choose two.) A. 192.168.194.160 B. 192.168.183.41 C. 192.168.159.2 D. 192.168.183.255 E. 192.168.179.4 F. 192.168.184.45 Correct Answer: BE Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 146 Refer to the exhibit: Which three statements correctly describe Network Device A? (Choose three.) A. With a network wide mask of 255.255.255.128, each interface does not require an IP address. B. With a network wide mask of 255.255.255.128, each interface does require an IP address on a unique IP subnet. C. With a network wide mask of 255.255.255.0, must be a Layer 2 device for the PCs to communicate with each other. D. With a network wide mask of 255.255.255.0, must be a Layer 3 device for the PCs to communicate with each other. E. With a network wide mask of 255.255.254.0, each interface does not require an IP address. Correct Answer: BDE Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 147 What is the principle reason to use a private IP address on an internal network? A. Subnet strategy for private companies. B. Manage and scale the growth of the internal network. C. Conserve public IP addresses so that we do not run out of them. D. Allow access reserved to the devices. Correct Answer: C Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 148 Which IP address can be assigned to an Internet interface? A. 10.180.48.224 B. 9.255.255.10 C. 192.168.20.223 D. 172.16.200.18 Correct Answer: B Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 149 What will happen if a private IP address is assigned to a public interface connected to an ISP? A. Addresses in a private range will be not routed on the Internet backbone. B. Only the ISP router will have the capability to access the public network. C. The NAT process will be used to translate this address in a valid IP address. D. Several automated methods will be necessary on the private network. E. A conflict of IP addresses happens, because other public routers can use the same range. Correct Answer: A Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 150 When is it necessary to use a public IP address on a routing interface? A. Connect a router on a local network. B. Connect a router to another router. C. Allow distribution of routes between networks. D. Translate a private IP address. E. Connect a network to the Internet. Correct Answer: E Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 151 Refer to the exhibit: Which VLSM mask will allow for the appropriate number of host addresses for Network A? A. /25 B. /26 C. /27 D. /28 Correct Answer: A Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 152 Refer to the exhibit: Which subnet mask will place all hosts on Network B in the same subnet with the least amount of wasted addresses? A. 255.255.255.0 B. 255.255.254.0 C. 255.255.252.0 D. 255.255.248.0 Correct Answer: B Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 153 Refer to the exhibit: Which mask is correct to use for the WAN link between the routers that will provide connectivity while wasting the least amount of addresses? A. /23 B. /24 C. /25 D. /30 Correct Answer: D Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 154 Refer to the exhibit: What is the most appropriate summarization for these routes? A. 10.0.0.0 /21 B. 10.0.0.0 /22 C. 10.0.0.0 /23 D. 10.0.0.0 /24 Correct Answer: B Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 155 On the network 131.1.123.0/27, what is the last IP address that can be assigned to a host? A. 131.1.123.30 B. 131.1.123.31 C. 131.1.123.32 D. 131.1.123.33 Correct Answer: A Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 156 The ip subnet zero command is not configured on a router. What would be the IP address of Ethernet0/0 using the first available address from the sixth subnet of the network 192.168.8.0/29? A. 192.168.8.25 B. 192.168.8.41 C. 192.168.8.49 D. 192.168.8.113 Correct Answer: C Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 157 For the network 192.0.2.0/23, which option is a valid IP address that can be assigned to a host? A. 192.0.2.0 B. 192.0.2.255 C. 192.0.3.255 D. 192.0.4.0 Correct Answer: B Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 158 How many addresses for hosts will the network 124.12.4.0/22 provide? A. 510 B. 1022 C. 1024 D. 2048 Correct Answer: B Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 159 The network default gateway applying to a host by DHCP is 192.168.5.33/28. Which option is the valid IP address of this host? A. 192.168.5.55 B. 192.168.5.47 C. 192.168.5.40 D. 192.168.5.32 E. 192.168.5.14 Correct Answer: C Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 160 Which two addresses can be assigned to a host with a subnet mask of 255.255.254.0? (Choose Two.) A. 113.10.4.0 B. 186.54.3.0 C. 175.33.3.255 D. 26.35.2.255 E. 17.35.36.0 Correct Answer: BD Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 161 The network administrator has asked you to check the status of the workstation's IP stack by pinging the loopback address. Which address would you ping to perform this task? A. 10.1.1.1 B. 127.0.0.1 C. 192.168.0.1 D. 239.1.1.1 Correct Answer: B Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 162 Workstation A has been assigned an IP address of 192.0.2.24/28. Workstation B has been assigned an IP address of 192.0.2.100/28. The two workstations are connected with a straight-through cable. Attempts to ping between the hosts are unsuccessful. What two things can be done to allow communications between the hosts? (Choose Two.) A. Replace the straight-through cable with a crossover cable. B. Change the subnet mask of the hosts to /25. C. Change the subnet mask of the hosts to /26. D. Change the address of Workstation A to 192.0.2.15. E. Change the address of Workstation B to 192.0.2.111. Correct Answer: AB Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 163 Refer to the exhibit: According to the routing table, where will the router send a packet destined for 10.1.5.65? A. 10.1.1.2 B. 10.1.2.2 C. 10.1.3.3 D. 10.1.4.4 Correct Answer: C Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 164 Refer to the exhibit: Which value will be configured for Default Gateway of the Local Area Connection? A. 10.0.0.0 B. 10.0.0.254 C. 192.223.129.0 D. 192.223.129.254 Correct Answer: B Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 165 Refer to the exhibit: The user at Workstation B reports that Server A cannot be reached. What is preventing Workstation B from reaching Server A? A. The IP address for Server A is a broadcast address. B. The IP address for Workstation B is a subnet address. C. The gateway for Workstation B is not on the same subnet. D. The gateway for Server A is not on the same subnet. Correct Answer: D Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 166 Which of the following host addresses are members of networks that can be routed across the public Internet? (Choose Three.) A. 10.172.13.65 B. 172.16.223.125 C. 172.64.12.29 D. 192.168.23.252 E. 198.234.12.95 F. 212.193.48.254 Correct Answer: CEF Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 167 Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts? (Choose Three.) A. 15.234.118.63 B. 92.11.178.93 C. 134.178.18.56 D. 192.168.16.87 E. 201.45.116.159 F. 217.63.12.192 Correct Answer: BCD Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 168 A national retail chain needs to design an IP addressing scheme to support a nationwide network. The company needs a minimum of 300 sub-networks and a maximum of 50 host addresses per subnet. Working with only one Class B address, which of the following subnet masks will support an appropriate addressing scheme? (Choose Two.) A. 255.255.255.0 B. 255.255.255.128 C. 255.255.252.0 D. 255.255.255.224 E. 255.255.255.192 F. 255.255.248.0 Correct Answer: BE Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 169 Given the address 192.168.20.19/28, which of the following are valid host addresses on this subnet? (Choose two.) A. 192.168.20.29 B. 192.168.20.16 C. 192.168.20.17 D. 192.168.20.31 E. 192.168.20.0 Correct Answer: AC Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 170 Which of the following IP addresses fall into the CIDR block of 115.64.4.0/22? (Choose three.) A. 115.64.8.32 B. 115.64.7.64 C. 115.64.6.255 D. 115.64.3.255 E. 115.64.5.128 F. 115.64.12.128 Correct Answer: BCE Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 171 The Ethernet networks connected to router R1 in the graphic have been summarized for router R2 as 192.1.144.0/20. Which of the following packet destination addresses will R2 forward to R1, according to this summary? (Choose two.) A. 192.1.159.2 B. 192.1.160.11 C. 192.1.138.41 D. 192.1.151.254 E. 192.1.143.145 F. 192.1.1.144 Correct Answer: AD Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 172 Which of the following describe private IP addresses? (Choose two.) A. addresses chosen by a company to communicate with the Internet B. addresses that cannot be routed through the public Internet C. addresses that can be routed through the public Internet D. a scheme to conserve public addresses E. addresses licensed to enterprises or ISPs by an Internet registry organization Correct Answer: BD Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 173 The network 172.25.0.0 has been divided into eight equal subnets. Which of the following IP addresses can be assigned to hosts in the third subnet if the ip subnet-zero command is configured on the router? (Choose Three.) A. 172.25.78.243 B. 172.25.98.16 C. 172.25.72.0 D. 172.25.94.255 E. 172.25.96.17 F. 172.25.100.16 Correct Answer: ACD Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 174 Refer to the exhibit: All of the routers in the network are configured with the ip subnet-zero command. Which network addresses should be used for Link A and Network A? (Choose two.) A. Network A - 172.16.3.48/26 B. Network A - 172.16.3.128/25 C. Network A - 172.16.3.192/26 D. Link A - 172.16.3.0/30 E. Link A - 172.16.3.40/30 F. Link A - 172.16.3.112/30 Correct Answer: BD Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 175 Which two subnetworks would be included in the summarized address of 172.31.80.0 /20? (Choose two.) A. 172.31.17.4 /30 B. 172.31.51.16 /30 C. 172.31.64.0 /18 D. 172.31.80.0 /22 E. 172.31.92.0 /22 F. 172.31.192.0 /18 Correct Answer: DE Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 176 Which three IP addresses can be assigned to hosts if the subnet mask is /27 and subnet zero is usable? (Choose three.) A. 10.15.32.17 B. 17.15.66.128 C. 66.55.128.1 D. 135.1.64.34 E. 129.33.192.192 F. 192.168.5.63 Correct Answer: ACD Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 177 Which of the following IP addresses can be assigned to the host devices? (Choose two.) A. 205.7.8.32/27 B. 191.168.10.2/23 C. 127.0.0.1 D. 224.0.0.10 E. 203.123.45.47/28 F. 10.10.0.0/13 Correct Answer: BF Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 178 Refer to the exhibit: A network technician is asked to design a small network with redundancy. The exhibit represents this design with all hosts configured in the same VLAN. What conclusions can be made about this design? A. The design will function as intended B. Spanning-tree will need to be used. C. The router will not accept the addressing scheme. D. The connection between switches should be a trunk. E. The router interfaces must be encapsulated with the 802.1Q protocol. Correct Answer: C Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 179 How many subnets can be gained by subnetting 172.17.32.0/23 into a /27 mask, and how many usable host addresses will there be per subnet? A. 8 subnets, 31 hosts B. 8 subnets, 32 hosts C. 16 subnets, 30 hosts D. 16 subnets, 32 hosts E. A Class B address can't be subnetted into the fourth octet. Correct Answer: C Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 180 Refer to the exhibit: In this VLSM addressing scheme, what summary address would be sent from router A? A. 172.16.0.0 /16 B. 172.16.0.0 /20 C. 172.16.0.0 /24 D. 172.32.0.0 /16 E. 172.32.0.0 /17 F. 172.64.0.0 /16 Correct Answer: A Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 181 Refer to the exhibit: Which is the most efficient summarization that R1 can use to advertise its networks to R2? A. 172.1.4.0/22 B. 172.1.0.0/21 C. 172.1.0.0/22 D. 172.1.4.0/25 Correct Answer: A Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 182 You are working in a data center environment and are assigned the address range 10.188.31.0/23. You are asked to develop an IP addressing plan to allow the maximum number of subnets with as many as 30 hosts each. Which IP address range meets these requirements? A. 10.188.31.0/27 B. 10.188.31.0/26 C. 10.188.31.0/29 D. 10.188.31.0/28 E. 10.188.31.0/25 Correct Answer: A Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 183 Given an IP address 172.16.28.252 with a subnet mask of 255.255.240.0, what is the correct network addres? A. 172.16.16.0 B. 172.16.24.0 C. 172.16.0.0 D. 172.16.28.0 Correct Answer: A Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 184 Refer to the exhibit: The Lakside Company has the internetwork in the exhibit. The administrator would like to reduce the size of routing table on the Central router. Which partial routing table entry in the Central router represents a route summary that represents the VLANs in Phoenix but no additional subnets? A. 10.0.0.0/22 is subnetted,1 subnets D 10.4.0.0[90/20514560] via 10.2.0.2,6w0d,serial0/1 B. 10.0.0.0/28 is subnetted,1 subnets D 10.2.0.0[90/20514560] via 10.2.0.2,6w0d,serial0/1 C. 10.0.0.0/22 is subnetted,1 subnets D 10.0.0.0[90/20514560] via 10.2.0.2,6w0d,serial0/1 D. 10.0.0.0/30 is subnetted,1 subnets D 10.2.2.0[90/20514560] via 10.2.0.2,6w0d,serial0/1 E. 10.0.0.0/28 is subnetted,1 subnets D 10.4.4.0[90/20514560] via 10.2.0.2,6w0d,serial0/1 F. 10.0.0.0/30 is subnetted,1 subnets D 10.4.4.4[90/20514560] via 10.2.0.2,6w0d,serial0/1 Correct Answer: A Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 185 which address range efficiently summarizes the routing table of the addresses for router main? A. 172.16.0.0/18 B. 172.16.0.0/16 C. 172.16.0.0/20 D. 172.16.0.0/21 Correct Answer: C Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 186 Refer to the exhibit: A new subnet with 60 hosts has been added to the network.Which subnet address should this network use to provide enough usable addresses while wasting the fewest addresses? A. 192.168.1.56/27 B. 192.168.1.64/26 C. 192.168.1.64/27 D. 192.168.1.56/26 Correct Answer: B Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 187 The network technician is planning to use the 255.255.255.224 subent mask on the network.which three valid IP addresses can the technician use for the hosts? (Choose Three) A. 172.22.243.127 B. 172.22.243.191 C. 172.22.243.190 D. 10.16.33.98 E. 10.17.64.34 F. 192.168.1.160 Correct Answer: CDE Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 188 In the implementation of VLSM techniques on a network using a single Class C IP address, which subnet mask is the most efficient for point-to-point serial links? A. 255.255.255.240 B. 255.255.255.254 C. 255.255.255.252 D. 255.255.255.0 E. 255.255.255.248 Correct Answer: C Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 189 Refer to the exhibit: HostA cannot ping HostB. Assuming routing is properly configured. What could be the cause of this problem? A. HostA is not on the same subnet as its default gateway B. The address of SwitchA is a subnet address C. The Fa0/0 interface on RouterA is on a subnet that cannot be used D. The serial interfaces of the routers are not on the same subnet E. The Fa0/0 interface on RouterB is using a broadcast address Correct Answer: D Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 190 Which wild card mask will enable a network administrator to permit access to the Internet for only hosts that are assigned an address in the range of 192.168.8.0 through 192.168.15.255? A. 0.0.0.0 B. 0.0.0.255 C. 0.0.255.255 D. 0.0.7.255 E. 0.0.3.255 Correct Answer: D Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 191 The network administrator is asked to configure 113 point-to-point links. Which IP addressing scheme best defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses? A. 10.10.0.0/18 subnetted with mask 255.255.255.252 B. 10.10.0.0/25 subnetted with mask 255.255.255.252 C. 10.10.0.0/24 subnetted with mask 255.255.255.252 D. 10.10.0.0/23 subnetted with mask 255.255.255.252 E. 10.10.0.0/16 subnetted with mask 255.255.255.252 Correct Answer: D Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 192 The company internetwork is subnetted using 29 bits. Which wildcard mask should be used to configure an extended access list to permit or deny access to an entire subnetwork? A. 255.255.255.224 B. 255.255.255.248 C. 0.0.0.224 D. 0.0.0.8 E. 0.0.0.7 F. 0.0.0.3 Correct Answer: E Section: VLSM & IPv4 Explanation Explanation/Reference: 29 bits subnet is 8bits + 8bits + 8bits + 5bits 255.255.255.(5bits) 11111000 = 128+64+32+16+8+0+0+0 = 248 Subnet is 255.255.255.248 Simple method to calculate the Wildcard mask from known subnet is to Reverse 1’s into 0’s and 0’s into 1’s from the binary representation of subnet. For above example (248 = 11111000 subnet) 11111000 (subnet) = 00000111 (wildcard mask) last octet. = 7 (wildcard mask) for last octet. Converting the remaining first 3 octets of subnet into wildcard mask using above method Resulted wildcard mask is 0.0.0.7 QUESTION 193 If an Ethernet port on a router was assigned an IP address of 172.1.1.1/20, what is the maximum number of hosts allowed on this subnet? A. 4094 B. 1024 C. 8190 D. 2046 E. 4096 Correct Answer: A Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 194 Refer to the exhibit. Which address and mask combination a summary of the routes learned by EIGRP? A. 192.168.25.0 255.255.255.240 B. 192.168.25.16 255.255.255.252 C. 192.168.25.0 255.255.255.252 D. 192.168.25.28 255.255.255.240 E. 192.168.25.16 255.255.255.240 F. 192.168.25.28 255.255.255.240 Correct Answer: E Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 195 A network administrator receives an error message while trying to configure the Ethernet interface of a router with IP address 10.24.24.24/29. Which statement explains the reason for it? A. The address is a broadcast address B. The Ehernet interface is faulty C. VLSM-capable routing protocols must be enable first on the router. D. This address is a network address. Correct Answer: D Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 196 HostA pings interface S0/0 on Router3, what will be the TTL value for that ping before it enter Router3? A. 253 B. 252 C. 255 D. 254 Correct Answer: A Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 197 When variable length subnet masking is used, what does the term route aggregation describe? A. calculating the total number of available host addresses in the AS B. combining routes to multiple networks into one supernet C. reducing the number of unusable addresses by creating many subnets from one supernet D. reclaiming unused address space by changing the subnet size Correct Answer: B Section: VLSM & IPv4 Explanation Explanation/Reference: Route aggregration is an effort to route smaller prefixes via an aggregated larger prefix (supernetting). The advantage is obvious: Many /24 networks, for example, could be aggregated to larger networks like /23, /22 or even bigger prefixes. QUESTION 198 Select and Place: Correct Answer: Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 199 Select and Place: Correct Answer: Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 200 Select and Place: Correct Answer: Section: VLSM & IPv4 Explanation Explanation/Reference: QUESTION 201 Which two statements are true about the command ip route 172.16.3.0 255.255.255.0 192.168.2.4? (Choose two.) A. It establishes a static route to the 172.16.3.0 network. B. It establishes a static route to the 192.168.2.0 network. C. It configures the router to send any traffic for an unknown destination to the 172.16.3.0 network. D. It configures the router to send any traffic for an unknown destination out the interface with the address 192.168.2.4. E. It uses the default administrative distance. F. It is a route that would be used last if other routes to the same destination exist. Correct Answer: AE Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 202 Refer to the exhibit: Subnet 10.1.3.0/24 is unknown to router RTB. Which router command will prevent router RTB from dropping a packet destined for the 10.1.3.0/24 network if a default route is configured? A. IP classless B. IP default-network C. Network 10.1.1.0 D. Network 10.1.1.0 0.0.0.255 area 0 Correct Answer: A Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 203 Refer to the exhibit: Assume that the routing protocol referenced in each choice below is configured with its default settings and the given routing protocol is running on all the routers. Which two conditional statements accurately state the path that will be chosen between networks 10.1.0.0 and 10.3.2.0 for the routing protocol mentioned? (Choose two.) A. If OSPF is the routing protocol, the path will be from R1 to R3 to R4 to R5. B. If OSPF is the routing protocol, the path will be from R1 to R2 to R5. C. If OSPF is the routing protocol, the path will be from R1 to R5. D. If RIPv2 is the routing protocol, the path will be from R1 to R3 to R4 to R5. E. If RIPv2 is the routing protocol, the path will be from R1 to R5. Correct Answer: AE Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 204 Refer to the exhibit: The Branch router displays knowledge of a route to network 172.16.0.0/16. The actual network number at headquarters is 172.16.1.0/24. Why does the network number appear as it does in the routing table? A. The routing protocol on the Branch router has been misconfigured. B. The Branch router has a static route configured for the 172.16.0.0/16 network. C. The Branch router is configured to summarize to classful boundaries. D. The routing protocol on the HQ router is using automatic route summarization. E. The routing protocol that is forwarding this route only sends classful updates. Correct Answer: D Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 205 Refer to the exhibit: Which three statements are true about how router JAX will choose a path to the 10.1.3.0/24 network when different routing protocols are configured? (Choose three.) A. By default, if RIPv2 is the routing protocol, only the path JAX-ORL will be installed into the routing table. B. The equal cost paths JAX-CHI-ORL and JAX- NY-ORL will be installed in the routing table if RIPv2 is the routing protocol. C. When EIGRP is the routing protocol, only the path JAX-ORL will be installed in the routing table by default. D. When EIGRP is the routing protocol, the equal cost paths JAX-CHI-ORL, and JAX-NY-ORL will be installed in the routing table by default. E. With EIGRP and OSPF both running on the network with their default configurations, the EIGRP paths will be installed in the routing table. F. The OSPF paths will be installed in the routing table, if EIGRP and OSPF are both running on the network with their default configurations. Correct Answer: ADE Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 206 Refer to the exhibit: RIPv2 is in use on the network with no standard policy in place for summarization. A packet arrives at CentralRouter with a destination IP address of 208.149.23.91. Given the output that is shown, how will CentralRouter process that packet? A. It will hold the packet for 22 seconds. B. It will forward the packet to 190.171.23.10. C. It will forward the packet to 192.168.33.1. D. It will forward the packet to 190.171.23.12. E. It will discard the packet because there is no matching route. F. It will hold the packet for 21 seconds. Correct Answer: C Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: When the packet with the target address 208.149.23.91 reaches CentralRouter, CentralRouter searches its routing table but cannot find the routing entry mapping 208.149.23.91, so the default route is used: S 0.0.0.0/0 [1/0] via 192.168.33.1 The packet is forwarded by CentralRouter to 192.168.33.1. QUESTION 207 Refer to the exhibit The network administrator must establish a route by which London workstations can forward traffic to the Manchester workstations. What is the simplest way to accomplish this? A. Configure a dynamic routing protocol on London to advertise all routes to Manchester. B. Configure a dynamic routing protocol on London to advertise summarized routes to Manchester. C. Configure a dynamic routing protocol on Manchester to advertise a default route to the London router. D. Configure a static default route on London with a next hop of 10.1.1.1. E. Configure a static route on London to direct all traffic destined for 172.16.0.0/22 to 10.1.1.2. F. Configure Manchester to advertise a static default route to London. Correct Answer: E Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 208 Refer to the output of the corporate router routing table shown in the graphic: The corporate router receives an IP packet with a source IP address of 192.168.214.20 and a destination address of 192.168.22.3. What will the router do with this packet? A. It will encapsulate the packet as Frame Relay and forward it out interface Serial 0/0.117. B. It will discard the packet and send an ICMP Destination Unreachable message out interface FastEthernet 0/0. C. It will forward the packet out interface Serial 0/1 and send an ICMP Echo Reply message out interface serial 0/0.102. D. It will change the IP packet to an ARP frame and forward it out FastEthernet 0/0. Correct Answer: B Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 209 Refer to the topology and command output within the exhibit: When hosts on the 172.16.5.0 network attempt to ping the remote server at 192.168.145.27, the message "Reply from 192.168.145.27:TTL expired in transit" is returned. What is the cause of this problem? A. No static route is configured on the SOHO router to the 192.168.145.0 network. B. No static route is configured on the ISP router to the 192.168.145.0 network. C. A routing protocol must be configured to send packets between SOHO and ISP. D. A routing loop has occurred. Correct Answer: D Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 210 Which of the following commands will configure a default route to any destination network not found in the routing table? A. Router(config)# ip default-route 0.0.0.0 255.255.255.255 s0 B. Router(config)# ip route 0.0.0.0 255.255.255.255 s0 C. Router(config)# ip default-route 0.0.0.0 s0 D. Router(config)# ip route 0.0.0.0 0.0.0.0 s0 E. Router(config)# ip route any any e0 Correct Answer: D Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 211 Users on the 172.17.22.0 network cannot reach the server located on the 172.31.5.0 network. The network administrator connected to router Coffee via the console port, issued the show ip route command, Based on the output of the show ip route command and the topology shown in the graphic, what is the cause of the failure? A. The network has not fully converged. B. IP routing is not enabled. C. A static route is configured incorrectly. D. The FastEthernet interface on Coffee is disabled. E. The neighbor relationship table is not correctly updated. F. The routing table on Coffee has not updated. Correct Answer: C Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 212 Which command is used to configure a default route? A. ip route 172.16.1.0 255.255.255.0 0.0.0.0 B. ip route 172.16.1.0 255.255.255.0 172.16.2.1 C. ip route 0.0.0.0 255.255.255.0 172.16.2.1 D. ip route 0.0.0.0 0.0.0.0 172.16.2.1 Correct Answer: D Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 213 If IP routing is enabled, which two commands set the gateway of last resort to the default gateway? (Choose two.) A. ip default-gateway 0.0.0.0 B. ip route 172.16.2.1 0.0.0.0 0.0.0.0 C. ip default-network 0.0.0.0 D. ip default-route 0.0.0.0 0.0.0.0 172.16.2.1 E. ip route 0.0.0.0 0.0.0.0 172.16.2.1 Correct Answer: CE Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 214 Refer to the exhibit: Communication with the Internet is vital to all networks belonging to the corporation. On which of the four routers shown in the graphic should a default route be configured, assuming that a routing protocol is being used to distribute the default route? A. A B. B C. C D. ISP Correct Answer: A Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 215 What must be set correctly when configuring a serial interface so that higher-level protocols calculate the best route? A. bandwidth B. delay C. load D. reliability Correct Answer: A Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 216 What are two characteristics of RIPv2? (Choose two.) A. classful routing protocol B. variable-length subnet masks C. broadcast addressing D. manual route summarization E. uses SPF algorithm to compute path Correct Answer: BD Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 217 What two things will a router do when running a distance vector routing protocol? (Choose two.) A. Send periodic updates regardless of topology changes. B. Send entire routing table to all routers in the routing domain. C. Use the shortest-path algorithm to the determine best path. D. Update the routing table based on updates from their neighbors. E. Maintain the topology of the entire network in its database. Correct Answer: AD Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 218 Refer to the exhibit: Which (config-router) command will allow the network represented on the interface to be advertised by RIP? A. redistribute ethernet0 B. network ethernet0 C. redistribute 10.12.0.0 D. network 10.12.0.0 Correct Answer: D Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 219 Refer to the exhibit: What information can be gathered from the output? A. One router is running RIPv1. B. RIP neighbor is 224.0.0.9. C. The network contains a loop. D. Network 10.10.1.0 is reachable. Correct Answer: D Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 220 Use the output from the router shown in the graphic above to determine which of the following are correct. (Choose two.) A. Router John uses a link-state routing protocol. B. Router John will receive routing updates on the Serial0/0 interface. C. Router John will receive routing updates on the Serial0/1 interface. D. Router John will send routing updates out the Serial0/0 interface. E. Router John will send routing updates out the FastEthernet0/0 interface. F. Router John will send routing updates out the Serial0/1 interface. Correct Answer: BD Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 221 Which series of commands will configure router R1 for LAN-to-LAN communication with router R2? The enterprise network address is 192.1.1.0/24 and the routing protocol in use is RIPv2. (Choose three.) A. R1(config)# interface ethernet 0 R1(config-if)# ip address 192.1.1.129 255.255.255.192 R1(config-if)# no shutdown B. R1(config)# interface ethernet 0 R1(config-if)# ip address 192.1.1.97 255.255.255.192 R1(config-if)# no shutdown C. R1(config)# interface serial 0 R1(config-if)# ip address 192.1.1.4 255.255.255.252 R1(config-if)# clock rate 56000 D. R1(config)# interface serial 0 R1(config-if)# ip address 192.1.1.6 255.255.255.252 R1(config-if)# no shutdown E. R1(config)# router rip R1(config-router)# network 192.1.1.4 R1(config-router)# network 192.1.1.128 F. R1(config)# router rip R1(config-router)# version 2 R1(config-router)# network 192.1.1.0 Correct Answer: ADF Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 222 Which routing protocols can be used within the enterprise network shown in the diagram? (Choose three.) A. RIP v1 B. RIP v2 C. IGRP D. OSPF E. BGP F. EIGRP Correct Answer: BDF Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 223 Which routing protocols will support the following IP addressing scheme? (Choose three.) Network 1 - 192.168.10.0 /26 Network 2 - 192.168.10.64 /27 Network 3 - 192.168.10.96 /27 Network 4 - 192.168.10.128 /30 Network 5 - 192.168.10.132 /30 A. RIP version 1 B. RIP version 2 C. IGRP D. EIGRP E. OSPF Correct Answer: BDE Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 224 Refer to the graphic: Host 1 cannot receive packets from Host 2. Assuming that RIP v1 is the routing protocol in use, what is wrong with the IP configuration information shown? (Choose two.) A. The fa0/1 interface of router R2 has been assigned a broadcast address. B. The fa0/1 network on router R2 overlaps with the LAN attached to R1. C. Host 2 has been assigned the incorrect subnet mask. D. Host 1 has been configured with the 255.255.248.0 subnet mask. E. Host 2 on router R2 is on a different subnet than its gateway. Correct Answer: BC Section: IP Routing (incl. Static, default; RIPv1-2) Explanation Explanation/Reference: QUESTION 225 Refer to the exhibit: Host A is to send data to Host B. How will Router1 handle the data frame received from Host A? (Choose three.) A. Router1 will strip off the source MAC address and replace it with the MAC address on the forwarding FastEthernet interface. B. Router1 will strip off the source IP address and replace it with the IP address on the forwarding FastEthernet interface. C. Router1 will strip off the destination MAC address and replace it with the MAC address of Hos

CCNA_640-802_WA.pdf

Document Details

Tags

Related

Full Transcript

Upgrade to continue