ugrd-it6300b-data-communications-and-networking-3-prelim-exam.pdf

lOMoARcPSD|44845751 UGRD-IT6300B Data Communications and Networking 3 Prelim Exam Data Communication and Networking 3 (AMA Computer University) Scan to open on Studocu Studoc...

lOMoARcPSD|44845751 UGRD-IT6300B Data Communications and Networking 3 Prelim Exam Data Communication and Networking 3 (AMA Computer University) Scan to open on Studocu Studocu is not sponsored or endorsed by any college or university Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 UGRD-IT6300B Data Communications and Networking 3 1. Home 2. My courses 3. UGRD-IT6300B-2313T 4. PRELIM EXAMINATION 5. Prelim Exam Started on Monday, 16 October 2023, 3:30 PM State Finished Completed on Monday, 16 October 2023, 4:11 PM Time taken 40 mins 39 secs Marks 46.00/50.00 Grade 92.00 out of 100.00 Question 1 Correct Mark 1.00 out of 1.00 Flag question Question text What is a characteristic of out-of-band device management? Select one: a. It requires Telnet, SSH, or HTTP to access a Cisco device. b. Out-of-band device management requires a direct connection to a network interface. Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 c. It requires a terminal emulation client. d. It requires at least one network interface on the device to be connected and operational. Feedback Your answer is correct. Question 2 Correct Mark 1.00 out of 1.00 Flag question Question text What is the function of PoE pass-through? Select one: a. allows a multilayer switch to forward IP packets at a rate close to that of Layer 2 switching by bypassing the CPU b. allows a switch to disable redundant Layer 2 paths in the topology to prevent Layer 2 loops c. allows switches, phones, and wireless access points to receive power over existing Ethernet cables from an upstream switch Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 d. allows multiple physical switch ports to be aggregated together and act as a single logical link to increase bandwidth on trunk links Feedback Your answer is correct. Question 3 Correct Mark 1.00 out of 1.00 Flag question Question text During the implementation of Spanning Tree Protocol, all switches are rebooted by the network administrator. What is the first step of the spanning-tree election process? Select one: a. Each switch determines the best path to forward traffic. b. Each switch with a lower root ID than its neighbor will not send BPDUs. c. All the switches send out BPDUs advertising themselves as the root bridge. d. Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Each switch determines what port to block to prevent a loop from occurring. Feedback Your answer is correct. Question 4 Correct Mark 1.00 out of 1.00 Flag question Question text Which combination of DTP modes set on adjacent switches will cause the link to become an access link instead of a trunk link? Select one: a. dynamic desirable - trunk b. dynamic desirable - dynamic auto c. dynamic desirable - dynamic desirable d. dynamic auto - dynamic auto Feedback Your answer is correct. Question 5 Correct Mark 1.00 out of 1.00 Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Flag question Question text Which sentence correctly describes the SVI inter-VLAN routing method? Select one: a. Subinterfaces have to be created. b. A physical interface is needed for every VLAN that is created. c. The encapsulation type must be configured on the SVI. d. An SVI is needed for each VLAN. Feedback Your answer is correct. Question 6 Incorrect Mark 0.00 out of 1.00 Flag question Question text Which is the default STP operation mode on Cisco Catalyst switches? Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Select one: a. MST b. Rapid PVST+ c. RSTP d. PVST+ e. MSTP Feedback Your answer is incorrect. Question 7 Correct Mark 1.00 out of 1.00 Flag question Question text An administrator is troubleshooting a switch and wants to verify if it is a root bridge. What command can be used to do this? Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Select one: a. show startup-config b. show running-config c. show spanning-tree d. show vlan Feedback Your answer is correct. Question 8 Correct Mark 1.00 out of 1.00 Flag question Question text A company has deployed four 48-port access layer switches to a switch block. For redundancy each access layer switch will connect to two distribution layer switches. Additionally, link aggregation will be used to combine 10 Gbps interfaces to form 20 Gbps trunk links from the access layer switches to the distribution layer switches. How many switch ports on the access layer switches will be available in the switch block to support end devices? Select one: Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 a. 184 b. 188 c. 192 d. 176 Feedback Your answer is correct. Question 9 Correct Mark 1.00 out of 1.00 Flag question Question text Which switchport mode puts the interface into permanent nontrunking ? Select one: a. switchport mode dynamic desirable b. switchport mode trunk Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 c. switchport mode dynamic auto d. switchport mode access Feedback Your answer is correct. Question 10 Correct Mark 1.00 out of 1.00 Flag question Question text After the election of the root bridge has been completed, how will switches find the best paths to the root bridge? Select one: a. Each switch will analyze the sum of all port costs to reach the root and use the path with the lowest cost. b. Each switch will analyze the BID of all neighbors to reach the root and use the path through the lowest BID neighbors. c. Each switch will analyze the port states of all neighbors and use the designated ports to forward traffic to the root. Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 d. Each switch will analyze the sum of the hops to reach the root and use the path with the fewest hops. Feedback Your answer is correct. Question 11 Correct Mark 1.00 out of 1.00 Flag question Question text Out-of-band manage Answer is used for initial configuration or when a network connection is unavailable. Question 12 Correct Mark 1.00 out of 1.00 Flag question Question text When a range of ports is being configured for EtherChannel, which mode will configure LACP on a port only if the port receives LACP packets from another device? Select one: a. auto b. Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 desirable c. passive d. active Feedback Your answer is correct. Question 13 Incorrect Mark 0.00 out of 1.00 Flag question Question text show port-security a Answer Displays all secure MAC addresses configured on all switch interfaces. Question 14 Correct Mark 1.00 out of 1.00 Flag question Question text A PC is to access a web server on another network. Which inter-VLAN method will provide the highest bandwidth at Layer 3 and also provide a default gateway for the PC? Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Select one: a. router on a stick b. multiple physical interfaces on the router, all connected to a Layer 2 switc c. trunked interface between the router and the switch d. multilayer switch with routing enabled Feedback Your answer is correct. Question 15 Correct Mark 1.00 out of 1.00 Flag question Question text Which type of VLAN is identified by a VLAN ID between 1006 and 4094 and not contained in updates of switches participating in a VTP domain? Select one: a. native Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 b. extended c. pruned d. transparent Feedback Your answer is correct. Question 16 Correct Mark 1.00 out of 1.00 Flag question Question text Which scalable method must be implemented in order to provide inter-VLAN routing on a switched network with more than 1000 VLANs? Select one: a. connecting each physical router interface to a different physical switch port, with each switch port assigned to a different VLAN b. connecting a router interface to a switch port that is configured in trunk mode to route packets between VLANs, with each VLAN assigned to a router subinterface Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 c. routing traffic internally to a Layer 3 switch device d. configuring static routes on a Layer 2 switch device Feedback Your answer is correct. Question 17 Correct Mark 1.00 out of 1.00 Flag question Question text Which switchport mode makes the interface able to convert the link to a trunk link? Select one: a. switchport mode trunk b. switchport mode dynamic auto c. switchport mode access d. switchport mode dynamic desirable Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Feedback Your answer is correct. Question 18 Correct Mark 1.00 out of 1.00 Flag question Question text In-band management Answer is used to monitor and make configuration changes to a network device over a network connection. Question 19 Correct Mark 1.00 out of 1.00 Flag question Question text What is the term that is used for the area of a network that is affected when a device or network service experiences problems? Select one: a. failure domain b. broadcast domain c. Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 collision domain d. user domain Feedback Your answer is correct. Question 20 Correct Mark 1.00 out of 1.00 Flag question Question text When EtherChannel is implemented, multiple physical interfaces are bundled into which type of logical connection? Select one: a. interface range b. loopback c. port channel d. Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 VLAN interface Feedback Your answer is correct. Question 21 Correct Mark 1.00 out of 1.00 Flag question Question text A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement describes a feature that is associated with HSRP? Select one: a. HSRP is nonproprietary. b. It uses ICMP messages in order to assign the default gateway to hosts. c. HSRP uses active and standby routers. d. It allows load balancing between a group of redundant routers. Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Feedback Your answer is correct. Question 22 Correct Mark 1.00 out of 1.00 Flag question Question text access laye The Answer provides endpoints and users direct access to the network Question 23 Correct Mark 1.00 out of 1.00 Flag question Question text How much traffic is a 48-port gigabit switch capable of switching when operating at full wire speed? Select one: a. 1 Gb/s, because data can only be forwarded from one port at a time b. 48 Gb/s, by providing full bandwidth to each port Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 c. 24 Gb/s, because this is the maximum forwarding rate on Cisco switches d. 44 Gb/s, due to overhead requirements Feedback Your answer is correct. Question 24 Correct Mark 1.00 out of 1.00 Flag question Question text show ip interface brief Answer Displays all interfaces with IPv4 addressing information and interface and line protocols status. Question 25 Incorrect Mark 0.00 out of 1.00 Flag question Question text PoE switch Answer allows the switch to deliver power to a device over the existing Ethernet cabling. Question 26 Correct Mark 1.00 out of 1.00 Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Flag question Question text Which feature could be used in a network design to increase the bandwidth by combining multiple physical links into a single logical link? Select one: a. trunk ports b. EtherChannel c. subinterfaces d. VLANs Feedback Your answer is correct. Question 27 Correct Mark 1.00 out of 1.00 Flag question Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Question text What is the purpose of VTP? Select one: a. It is a Cisco proprietary protocol that manages trunk negotiation. b. It provides secure remote WAN access to the head office for teleworkers. c. It manages switches to ensure a loop-free environment. d. It provides centralized management of VLANs in a multi-switch environment. e. It designates the management and native VLANs on multiple switches. Feedback Your answer is correct. Question 28 Correct Mark 1.00 out of 1.00 Flag question Question text A network administrator enters the following command sequence on a Cisco 3560 switch. What is the purpose of these commands? Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Switch(config)# interface gigabitethernet 0/1 Switch(config-if)# no switchport Select one: a. to make the Gi0/1 port a routed port b. to enable the Gi0/1 port as a switch virtual interface c. to shut down the Gi0/1 port d. to enable the Gi0/1 port as a bridge virtual interface Feedback Your answer is correct. Question 29 Incorrect Mark 0.00 out of 1.00 Flag question Question text show ip protocols Answer Displays information about the routed protocol that is enabled, and the protocol status of interfaces. Question 30 Correct Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Mark 1.00 out of 1.00 Flag question Question text When EtherChannel is configured, which mode will force an interface into a port channel without exchanging aggregation protocol packets? Select one: a. desirable b. auto c. active d. on Feedback Your answer is correct. Question 31 Correct Mark 1.00 out of 1.00 Flag question Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Question text Which type of router would an enterprise use to allow customers to access content anytime and anyplace, regardless of whether they are at home or work? Select one: a. branch routers b. modular routers c. network edge routers d. service provider routers Feedback Your answer is correct. Question 32 Correct Mark 1.00 out of 1.00 Flag question Question text Which network design solution will best extend access layer connectivity to host devices? Select one: a. Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 implementing wireless connectivity b. implementing EtherChannel c. implementing redundancy d. implementing routing protocol Feedback Your answer is correct. Question 33 Correct Mark 1.00 out of 1.00 Flag question Question text Which switchport mode Puts the interface into permanent trunking mode and negotiates to convert the neighboring link into a trunk link? Select one: a. switchport mode dynamic desirable b. switchport mode trunk Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 c. switchport mode dynamic auto d. switchport mode access Feedback Your answer is correct. Question 34 Correct Mark 1.00 out of 1.00 Flag question Question text What value determines the root bridge when all switches connected by trunk links have default STP configurations? Select one: a. VLAN ID b. extended system ID c. bridge priority Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 d. MAC address Feedback Your answer is correct. Question 35 Correct Mark 1.00 out of 1.00 Flag question Question text Which PAgP mode mode places an interface in a passive negotiating state in which the interface responds to the PAgP packets that it receives, but does not initiate PAgP negotiation? Select one: a. PAgP auto b. On c. PAgP desirable Feedback Your answer is correct. Question 36 Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Correct Mark 1.00 out of 1.00 Flag question Question text A network administrator configured an EtherChannel link with three interfaces between two switches. What is the result if one of the three interfaces is down? Select one: a. The EtherChannel fails. b. One interface becomes an active link for data traffic and the other becomes a backup link. c. The remaining two interfaces become separate links between the two switches. d. The remaining two interfaces continue to load balance traffic. Feedback Your answer is correct. Question 37 Correct Mark 1.00 out of 1.00 Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Flag question Question text A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement is a feature that is associated with GLBP? Select one: a. It is nonproprietary. b. It works together with VRRP. c. It uses a virtual router master. d. GLBP allows load balancing between routers. Feedback Your answer is correct. Question 38 Correct Mark 1.00 out of 1.00 Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Flag question Question text What is one way to correct a spanning tree failure? Select one: a. Manually remove redundant links in the switched network. b. Insert redundant links to replace the failed STP links. c. Replace the cables on failed STP links. d. Replace all instances of STP with RSTP. Feedback Your answer is correct. Question 39 Correct Mark 1.00 out of 1.00 Flag question Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Question text Multilayer switches Answer are typically deployed in the core and distribution layers of an organization's switched network. Question 40 Correct Mark 1.00 out of 1.00 Flag question Question text When PVST is running over a switched network, which port state can participate in BPDU frame forwarding based on BPDUs received, but does not forward data frames? Select one: a. listening b. forwarding c. disabled d. blocking Feedback Your answer is correct. Question 41 Correct Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Mark 1.00 out of 1.00 Flag question Question text Which mode configuration setting would allow formation of an EtherChannel link between switches SW1 and SW2 without sending negotiation traffic? Select one: a. SW1: passive SW2: active b. SW1: on SW2: on c. SW1: auto SW2: auto PortFast enabled on both switches d. SW1: auto Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 SW2: auto trunking enabled on both switches e. SW1: desirable SW2: desirable Feedback Your answer is correct. Question 42 Correct Mark 1.00 out of 1.00 Flag question Question text Which command will start the process to bundle two physical interfaces to create an EtherChannel group via LACP? Select one: a. channel-group 1 mode desirable b. channel-group 2 mode auto c. Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 interface port-channel 2 d. interface range GigabitEthernet 0/4 - 5 Feedback Your answer is correct. Question 43 Correct Mark 1.00 out of 1.00 Flag question Question text Which technology is required when switched networks are designed to include redundant links? Select one: a. link aggregation b. Spanning Tree Protocol c. virtual LANs Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 d. virtual private networks Feedback Your answer is correct. Question 44 Correct Mark 1.00 out of 1.00 Flag question Question text As the network administrator you have been asked to implement EtherChannel on the corporate network. What does this configuration consist of? Select one: a. grouping two devices to share a virtual IP address b. grouping multiple physical ports to increase bandwidth between two switches c. providing redundant devices to allow traffic to flow in the event of device failure d. providing redundant links that dynamically block or forward traffic Feedback Your answer is correct. Question 45 Correct Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Mark 1.00 out of 1.00 Flag question Question text Which STP port role is adopted by a switch port if there is no other port with a lower cost to the root bridge? Select one: a. alternate b. root port c. disabled port d. designated port Feedback Your answer is correct. Question 46 Correct Mark 1.00 out of 1.00 Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Flag question Question text Which PAgP mode forces the interface to channel without PAgP? Select one: a. PAgP desirable b. PAgP auto c. On Feedback Your answer is correct. Question 47 Correct Mark 1.00 out of 1.00 Flag question Question text Forwarding rates Answer define the processing capabilities of a switch by rating how much data the switch can process per second. Question 48 Correct Mark 1.00 out of 1.00 Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Flag question Question text An administrator is investigating a failure on a trunk link between a Cisco switch and a switch from another vendor. After a few show commands, the administrator notices that the the switches are not negotiating a trunk. What is a probable cause for this issue? Select one: a. Both switches are in nonegotiate mode. b. Switches from other vendors do not support DTP. c. Both switches are in trunk mode. d. DTP frames are flooding the entire network. Feedback Your answer is correct. Question 49 Correct Mark 1.00 out of 1.00 Flag question Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Question text port density The Answer of a switch refers to the number of ports available on a single switch. Question 50 Correct Mark 1.00 out of 1.00 Flag question Question text What is an accurate description of redundancy? Select one: a. designing a network to use multiple paths between switches to ensure there is no single point of failure b. configuring a switch with proper security to ensure that all traffic forwarded through an interface is filtered c. designing a network to use multiple virtual devices to ensure that all traffic uses the best path through the internetwork d. configuring a router with a complete MAC address database to ensure that all frames can be forwarded to the correct destination Downloaded by Alan Lasquite ([email protected])  lOMoARcPSD|44845751 Feedback Your answer is correct. Downloaded by Alan Lasquite ([email protected])