ITS Networking Specialist Exam Questions PDF

>--o0o- REVIEWER -o0o--< 1  Question 1 of 60 Which protocol operates at the transport layer of the TCP model? o A. IP o B. IGMP o C. FTP o D. UDP Question 2 of 60 Move on the left to the correct services on the right. You may use each port number or not at a...

>--o0o- REVIEWER -o0o--< 1  Question 1 of 60 Which protocol operates at the transport layer of the TCP model? o A. IP o B. IGMP o C. FTP o D. UDP Question 2 of 60 Move on the left to the correct services on the right. You may use each port number or not at all. Port Numbers Services 21 SMTP 25 25 FTP 21 53 HTTPS 443 443 80 Target area for HTTPS  Question 3 of 60 What are two purposes of the ping utility? (Choose 2) ❑ A. To search for duplicate addresses ❑ B. To self-test a host’s own network interface ❑ C. To resolve host names to IP addresses ❑ D. To determine whether a host is reachable. ❑ E. To scan for open host firewall ports.  Question 4 of 60 In addition to switching, which feature is specific to a multilayer switch? o A. Bridges traffic between different physical topologies o B. Manages addresses for client computers o C. Translate between various network protocols o D. Provides Layer 3 routing functions  Question 5 of 60 You are setting up a network computer game. You need to open up ports on your firewall so your friends can join the network. Which command display the ports that your computer is listening for? o A. nslookup o B. ping o C. netstat o D. nbstat  Question 6 of 60 For each statement about using a Type 2 hypervisor and virtual machines, select True or False Note: you will receive partial credit for each correct selection. ______ FALSE If you reboot one virtual machines, all the other virtual machines on the server reboot at the same time. FALSE ______You can reboot the host machine without having any effect on the other virtual machine on the same physical server. ______ FALSE If you need to reboot one virtual machine, you must first reboot the physical server Question 7 of 60 What are two characteristics of a wired Ethernet network topology? (Choose 2) ❑ A. it uses network adapters that are physical encoded with IP addresses ❑ B. it uses tokens to avoid collisions on the network ❑ C. it can negotiate different transmission speeds ❑ D. it is typically employed by using twisted pair or fiber optic media. Question 8 of 60 What does each IPv4 address consist of? o A. A DNS record and a default route o B. A 64-bit binary number divided into octets o C. A MAC address and a date-link layer address o D. A network ID and a host ID  Question 9 of 60 You need to configure a router to enable internal clients with private IPv4 address. What should configure? o A. NAT o B. VPN o C. WAP o D. DHCP  Question 10 of 60 You are a network support technician at an internal service provider (ISP). You receive a call from a customer indicating that they cannot access the internet. You need to troubleshoot the problem. Which three actions should you complete first?(choose 3) ❑ A. perform a line test to check connectivity between the ISP and the customer ❑ B. ask the customer to restart the modem ❑ C. ask the customer to update the operating system to the latest version ❑ D. ask the customer to delete the host file ❑ E. log in to the customer’s computer remotely ❑ F. Ask the customer to check for the appropriate status lights on the modem  Question 11 of 60 Which protocol does the ping utility use to test communication with a remote host? o A. HTTP o B. SNMP o C. ICMP o D. OSPF o E. BOOTP  Question 12 of 60 Internet of Things (IoT), select True or False _______ TRUE IoT devices have IP addresses ________ FALSE IoT devices require human interaction to communicate with a network ________ TRUE A smart thermostat and a light bulb that can be switched on by using an app are examples of IoT devices.  Question 13 of 60 Move the appropriate address types from the list on the left to the correct ranges on the right. You may use each address type once or not at all. Address Types Ranges Loopback address 127.0.0.0 – 127.255.255.255 Loopback address Multicast address 192.168.0.0 – 192.168.255.255 Private network address Private network address 224.0.0.0 – 239.255.255.255 Multicast address Public network address  Question 14 of 60 For each statement about switches, select True or False Note: you will receive partial credit for each correct selection. _______ TRUE a switch sends unicast frames to only one destination port _______ TRUE a switch floods port if it does not know where to send a frame _______ FALSE a switch sends broadcast frames to only the uplink port Question 15 of 60 You need to install a network cable between two locations that are approximately six miles/ten kilometers from each other. Which cable should you use? o A. Multi-mode fiber o B. Sigle-mode fiber o C. Cat5e o D. Cat6  Question 16 of 60 What are two characteristic of switches? (Choose 2) ❑ A. Switches are capable of sending and receiving data at the same time ❑ B. Switches cause more data collision of the data that they receive ❑ C. Switches identify the intended destination of the data that they receive. ❑ D. Switches send each frame to all of the computers that are connected to them. Question 17 of 60 Which network device interconnects computers in a workgroup, can be remotely configured, and provides the best throughput? o A. Hub o B. Unmanaged switch o C. Managed switch o D. Router  Question 18 of 60 In Linux, which command-line tool should you use to list a host’s active incoming connections? o A. dig o B. host o C. ip addr o D. netstat  Question 19 of 60 Which type of network covers the broadest area? o A. CAN o B. LAN o C. PAN o D. WAN  Question 20 of 60 Which is an advantage of dynamic routing? o A. it reduces broadcast traffic o B. it automatically maintains routing tables o C. it limits traffic derive from routing protocols o D. it automatically enables DHCP  Question 21 of 60 Which hardware is required to properly connect a LAN to a WAN? o A. Stand-alone access point o B. Layer 2 switch o C. Transceiver o D. Router  Question 22 of 60 CompanyPro plans to migrate several servers to cloud-based virtual machines. You need to identify the administrative responsibilities that will be reduced after the planned migration. Which two responsibilities will be reduced? (Choose 2) ❑ A. Backing up application data ❑ B. Managing permissions to shared documents ❑ C. Updating server operating systems ❑ D. Replacing failed server hardware ❑ E. Managing physical server security  Question 23 of 60 You are a network administrator at a small business. One morning at the start of business, you realize that no employees at the company can access external websites. However, all employees can access internet sites. All computers are on the same intranet connected by a single router. You need to troubleshoot the problem. Which two actions should you complete? (Choose 2) ❑ A. Check the router for proper connectivity ❑ B. Check for bad network adapters on individual computers ❑ C. Contact the internet service provider ❑ D. Check that each computer has a valid IP address  Question 24 of 60 Which wireless authentication method provides the highest level of security? o A. WPS authentication o B. Wired Equivalent Privacy (WEP) o C. Wi-Fi Protected Access (WAP) o D. Wi-Fi Protected Access 2 (WAP2) Question 25 of 60 Which is a feature of the Teredo tunneling protocol? o A. it dynamically allocates IPv6 addresses o B. it provides VPN security o C. it enables the passing of IPv6 traffic through IPv4 networks o D. it translates IPv4 traffic to Ipv6 traffic  Question 26 of 60 What does a VPN provide? o A. A secure connection within a private network o B. Additional security for selected computers o C. Additional encryption by using IPSec o D. A secure connection through public network  Question 27 of 60 Which network topology is the internet designed around? o A. Bus o B. Ring o C. Mesh o D. Star  Question 28 of 60 What is the top-level domain of ftp sunsetweb.org? o A. ftp o B. sunsetweb o C. sunsetweb.org o D. org Question 29 of 60 > through DHCP The IP address of the wireless adapter is configured __________________ > through APIPA The IP address of the Ethernet adapter is configured ________________  Question 30 of 60 Which wireless encryption type is the most susceptible to interception and decryption? o A. WPA-PSK o B. WPA2 o C. WPA-AES o D. WEP  Question 31 of 60 In addition to switching, which features is specific to a multilayer switch? o A. Translates between various network protocols o B. Provides Layer 3 routing functions o C. Manages addresses for client computers o D. Bridges traffic between different physical topologies.  Question 32 of 60 You are helping a friend setup a public-facing web server in their home office. Your friend wants to protect the internal network from intrusion. What should you do? o A. Set the IP address of the web server to be within the LAN o B. Deploy the web server in a perimeter network (also known as a DMZ) o C. Configure the firewall to block access on ports 80 and 443 o D. Configure the web server to block access ports 80 and 443  Question 33 of 60 Which technology can you use to extend an internal across shared or public networks? o A. VPN o B. Microsoft.NET Framework o C. VLAN o D. Microsoft ASP.NET  Question 34 of 60 You are a network support technician. The company president reports that his wired network printer is not working. To test the line, you need to know where the jack is plugged into the patch panel. However, there are no labels in the main distribution frame (MDF),you discover a bundle of 35 cables. o A. Toner o B. Time-domain reflectometer (TDR) o C. Multimeter o D. Cable tester  Question 35 of 60 You need to run four Ethernet network drops on your company’s manufacturing floor. Each drop is approximately 125 feet/38 meters. Each drop passes near heavy manufacturing equipment. You need to ensure that interface is reduced. Which cable type should you use? o A. UTP Cat6 o B. STP Cat5e o C. Cat3 o D. UTP Cat5e  Question 36 of 60 You are a network administrator. Employees in the finance department are complaining about slow data speeds while accessing the company network computers in the department shows the connection is only 100Mbps, but the line should be 1000Mbps. Which network hardware tool should you use to determine whether a cable is capable of 1000Mbps full-duplex transmission? o A. Multimeter o B. Cable tester o C. Time-domain reflectometer o D. Toner  Question 37 of 60 Which routing option is fault tolerant? o A. The default route o B. Static routing o C. Least-cost routing o D. Dynamic routing  Question 38 of 60 Your company’s computers exchange data through a set of routed private Wi-Fi networks at a single geographic location. What type of network is this an example of? o A. Internet o B. Intranet o C. Perimeter o D. Extranet  Question 39 of 60 What is a reason to incorporate VLANs into a network? o A. To reduce the number of nodes in a broadcast domain o B. To increase the number of available IP o C. To reduce the number of broadcast domains o D. To increase the number of available Media Access Control (MAC) addresses.  Question 40 of 60 What is a justification for using STP cable instead of UTP cable to wire a network expansion? o A. You need to reduce attenuation o B. You are routing cables through an area with high external interference o C. You need the cable to be as light and flexible as possible o D. You want to minimize the costs relating to the new installation  Question 41 of 60 Which media type is least susceptible to external interference including EMI and RFI? o A. STP o B. UTP o C. Wi-Fi o D. Fiber optic Question 42 of 60 What is a VPN? o A. communication tunnel between VLANs o B. A secure private connection over a public network o C. A personal network for use only o D. A virtual network within your Local Area Network (LAN)  Question 43 of 60 Which physical network topology provides fault-tolerant communication by providing redundant communication paths? o A. Star o B. Mesh o C. Bus o D. Ring  Question 44 of 60 On a Windows computer, which utility should you use to determine whether you Domain Name System (DNS) service is properly resolving fully qualified domain names (FQDNs) to IP addresses? o A. netstat o B. nslookup o C. ipconfig o D. nbstat  Question 45 of 60 Which option represents an IPv6 loopback address? o A. FF00::127 o B. ::1 o C. FE80::127 o D. ::  Question 46 of 60 The fiber network connection between Building A and Building B is 550 meters. There is attenuation on the line. Which tool should you use to test this? o A. Multimeter o B. Optical time-domain reflectometer (OTDR) o C. Time-domain reflectometer (TDR) o D. Toner Question 47 of 60 What is a cause of concern about wireless network security? o A. The potential for cross-talk o B. Inability to encrypt transmission o C. The radio broadcast access method o D. Frequency modulation issues  Question 48 of 60 On a wireless router, what is an SSID? o A. The default communication protocol o B. The default administrator account o C. A WAN encryption protocol o D. The broadcast ID  Question 49 of 60 Which service uses PTR and A records? o A. IDS o B. NAT o C. IPS o D. DNS  Question 50 of 60 Which type of port supports VLAN traffic between two switches? o A. Virtual port o B. WAN port o C. Trunk port o D. LAN port  Question 51 of 60 Your home computer is having problems accessing the internet. You suspect that your internet router’s DHCP services is not functioning so you check your computer’s IP address. Which address indicates that your router’s DHCP services is NOT functioning? o A. 172.16.1.5 o B. 169.254.1.15 o C. 10.19.1.15 o D. 192.168.1.15 Question 52 of 60 What happens when a client’s DHCP issued address expires? o A. The client generates a new address valid to the subnet and request approval from the DHCP server. o B. The client disconnects from the network o C. The client attempts to renew its lease on the address o D. The client continues to use the address until it is notified to stop Question 53 of 60 In Linux, which command-line tool should you use to list a host’s active incoming connections? o A. netstat o B. dig o C. ip addr o D. host Question 54 of 60 Move each VPN term from the list on the left to the correct definition on the right. Note: You will receive partial credit for each correct answer. Terms Definition SSL VPN Allows a remote user to connect to a private network from anywhere on the internet SSL VPN Layer 2 Tunneling Protocol Secure connects two portions of a private network or two private networks Site-to-Site VPN Site-to-Site VPN Creates an unencrypted connection between two network devices Layer 2 Tunneling Protocol  Question 55 of 60 For each statement about Wide Area Networks (WANs), select True or False. Note: You will receive partial credit for each correct answer. ________ TRUE The Internet is a WAN. ________ FALSE An intranet is a WAN. ________ FALSE All devices connected to a WAN must be located within the same city.  Question 56 of 60 What are two characteristics of fiber-optic cable? (Choose two.) ❑ A. It is not affected by EMI or RFI. ❑ B. Each pair of cables is wrapped in metallic foil. ❑ C. It combines the technique of cancellation, shielding, and twisting to protect data. ❑ D. Fiber is immune to EMI and RFI, but not costs more. ❑ E. It typically contains 4 pairs of fiber-optic wires. ❑ F. It is more expensive than UTP cable.  Question 57 of 60 What is a primary role of the Physical layer in transmitting data on the network? o A. create the signals that represent the bits in each frame on to the media o B. provide physical addressing to the devices o C. determine the path packets take through the network o D. control data access to the media  Question 58 of 60 With the use of unshielded twisted-pair copper wire in a network, what causes crosstalk within the cable pairs? o A. the magnetic field around the adjacent pairs of wire o B. the use of braided wire to shield the adjacent wire pairs o C. the reflection of the electrical wave back from the far end of the cable o D. the collision caused by two nodes trying to use the media simultaneously  Question 59 of 60 Which media communication type does not require media arbitration in the data link layer? o A. deterministic o B. half-duplex o C. full-duplex o D. controlled access  Question 60 of 60 What is the auto-MDIX feature on a switch? o A. The automatic configuration of an interface for 10/100/1000 Mb/s operation o B. The automatic configuration of an interface for a straight-through or a crossover Ethernet cable connection o C. The automatic configuration of full-duplex operation over a single Ethernet copper or optical cable o D. The ability to turn a switch interface on or off accordingly if an active connection is detected Thank you for your participation! Good Luck on your