CompTIA Network+ Certification (N10-003) Part 20

30 Questions | Total Attempts: 78

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Network Plus Quizzes & Trivia

30 CompTIA Network+ questions covering troubleshooting


Questions and Answers
  • 1. 
    You work as a network administrator. The network has 200 Windows 98 workstations and 150 Windows XP Professional workstations. You replace the WINS server on the network with a DNS server. The new DNS server has a different IP address and you update the DHCP server to reflect this change. Which workstations will be able to use the new DNS server?
    • A. 

      Any workstation that has not released and renewed their DHCP lease

    • B. 

      Any Windows 98 workstation that has released and renewed their DHCP lease

    • C. 

      Any Windows XP Professional workstation that has released and renewed their DHCP lease

    • D. 

      Any Windows XP Professional workstation that has not released and renewed their DHCP lease

  • 2. 
    You work as a network administrator. You have removed the DNS server from the network for maintenance purposes. What affect will this have on the workstations in the network?
    • A. 

      They will not be able to locate a server by NetBIOS name

    • B. 

      They will not be able to locate as server by MAC address

    • C. 

      They will not be able to locate a server by IP address

    • D. 

      They will not be able to locate a server by host name

  • 3. 
    You work as a network administrator and you install a proxy server. What effect will this have on the network?
    • A. 

      Reduced network collisions

    • B. 

      Reduced Internet traffic

    • C. 

      Reduced DHCP traffic

    • D. 

      Reduced broadcast traffic

  • 4. 
    You work as the network administrator. You install a VLAN on the network to create two subnets. However, users on one subnet cannot access servers on the other subnet. What should you do to resolve this problem?
    • A. 

      Install a router between the two subnets

    • B. 

      Install a DHCP server in each subnet

    • C. 

      Install a proxy server in each subnet

    • D. 

      Install a DNS server in each subnet

  • 5. 
    You work as a network administrator. Your network has two Windows 2000 servers, one Novell NetWare 6.5 server and 250 Windows 2000 Professional workstations. You add 10 new Windows XP Professional clients to the network. However, users of the new clients complain that they cannot connect to the NetWare server. They can connect to the Windows 2000 servers. Other users do not have the same problem. What is the most probable cause of this problem?
    • A. 

      Gateway Services for NetWare (GSNW) has not been installed on the new clients

    • B. 

      Client Services for NetWare (CSNW) has not been installed on the new clients

    • C. 

      File and Print Services for NetWare (FPNW) has not been installed on the new clients

    • D. 

      NDS has not been configured on the new clients

  • 6. 
    You work as a network administrator. Your network has 100 Windows 98 clients, 125 Windows XP clients, and one Windows 2000 server. DHCP is not in use on the network. You add a second server and install WINS. What must you do next to ensure the network remains fully operational?
    • A. 

      Update the LMHOSTS file on each client

    • B. 

      Update each Windows 98 client with the WINS server address

    • C. 

      Update the DNS server with the host name and IP address of the WINS server

    • D. 

      Do nothing. The network is fully operational

  • 7. 
    You work as a network technician. Your network has 500 Windows 98 clients and three Windows 2000 servers. You decide to segment the network and install a router to connect the two segments. What must you install to accommodate the Windows 98 clients that use NetBIOS?
    • A. 

      The DHCP service

    • B. 

      The WINS service

    • C. 

      The DNS service

    • D. 

      The SMTP service

  • 8. 
    You work as a network administrator. You have just replaced the old DNS server with a new one. During the upgrade you have changed the IP address used by the DNS service. The DHCP server was updated to reflect this change. After the replacement of the DNS server you start receiving reports that certain computers are connecting to the new DNS server while others are not.  Which computers are most likely connecting to the new server?
    • A. 

      Any computer that has not released and renewed their DHCP lease

    • B. 

      Any statically assigned workstation

    • C. 

      Any computer that has released and renewed their DHCP lease

    • D. 

      Any computer that does not have a NIC

  • 9. 
    You work as a network administrator. You have been asked to change the lease time of the DHCP scope from one week to one day. But before you change the lease time your boss wants to know what effect this might have on the end users. How do you answer?
    • A. 

      The users will be logged out every 24 hours unless they logout on their own when they leave the office

    • B. 

      Ight after the lease time has been changed, the users will have to manually release and renew their IP addresses in order to continue working on the network

    • C. 

      The users will not be affected by the change

    • D. 

      The users will loose network connectivity during the remaining duration of the previous DHCP lease. Once the previous lease has expired a new can be obtained with the new lease time

  • 10. 
    You work as a technician. You receive a call from the senior network technician stating that your DNS server has suffered a catastrophic failure and is down at the moment. Your boss wants to know what affect will this have on the workstations in the office. How do you answer?
    • A. 

      They will be unable to renew their IP addresses if their DHCP lease time expires

    • B. 

      They will be unable to reference a server by host name, but resolving by IP address will still work

    • C. 

      They will be unable to reference a server by NetBIOS name, but resolving by host name will still work

    • D. 

      They will be unable to renew their IPX address once the lease expires

  • 11. 
    You work as a network administrator on a network with two subnets, A and B.  You have two DHCP servers, one in each subnet, to provide dynamic IP addressing.  The DHCP server in subnet A fails.  What can you do to temporarily use the working DHCP server in subnet B while you repair the failed one in subnet A?
    • A. 

      Install a proxy server on subnet A

    • B. 

      Install a DHCP relay agent on a server in subnet A

    • C. 

      Install a DHCP relay agent on the DHCP server in subnet B

    • D. 

      Install a DHCP relay agent on a server in subnet B

  • 12. 
    You are working as a network technician. The computers on your network use static IP addresses. A rogue residential gateway that is running DHCP is installed on the network. What problem might occur?
    • A. 

      Computers may have difficulty accessing the Internet

    • B. 

      The computers IP addresses will change

    • C. 

      There will be no problems

    • D. 

      There will be a routing loop between the residential gateway and the original router

  • 13. 
    You work as a network administrator. Your boss has requested that you examine the possibility of reducing the bandwidth used between your network and the Internet. Which of the following suggestions would help you accomplish this if installed in the network?
    • A. 

      VPN (Virtual Private Network) server

    • B. 

      Proxy server

    • C. 

      DHCP server

    • D. 

      HTTP server

  • 14. 
    Which of the following workstations will be affected when a single link on a physical bus network fails?
    • A. 

      The workstation directly connected to the failed link

    • B. 

      The workstations downstream from the failed link

    • C. 

      The workstations upstream from the failed link

    • D. 

      All the workstations on the network

  • 15. 
    Which of the following workstations will be affected when a single station on a physical ring network fails?
    • A. 

      The workstations directly connected to the failed station

    • B. 

      The workstations downstream from the failed station

    • C. 

      The workstations upstream from the failed station

    • D. 

      All the workstations on the network

  • 16. 
    You work on an Ethernet network. Should a link on your network fail, which workstations will be affected?
    • A. 

      The workstations upstream from the failed link

    • B. 

      All the workstations on the network

    • C. 

      Only the workstation attached to the failed link

    • D. 

      None of the workstations

  • 17. 
    How will a failure of a router on a network with two VLANs affect communication?
    • A. 

      The entire network will be down

    • B. 

      The network will remain fully operational

    • C. 

      Communication between VLANs will be affected

    • D. 

      All workstations connected to the router will be affected

  • 18. 
    How will a failure of a router on a network with two subnets affect communication?
    • A. 

      The entire network will be down

    • B. 

      The network will remain fully operational

    • C. 

      Communication between subnets will be affected

    • D. 

      All workstations connected to the router will be affected

  • 19. 
    How will a failure of a switch on a routed network with two subnets affect communication? (choose all that apply)
    • A. 

      The entire network will be down

    • B. 

      The network will remain fully operational

    • C. 

      Communication between subnets will be affected

    • D. 

      The subnet with the failed switch will be affected

  • 20. 
    Which of the following workstations will be affected when a single link on a full-mesh network fails?
    • A. 

      The workstations directly connected to the failed link

    • B. 

      The workstations downstream from the failed link

    • C. 

      The workstations upstream from the failed link

    • D. 

      All the workstations on the network

    • E. 

      None of the workstations

  • 21. 
    You work on a token bus network. If a break occurs in the network cable how will this affect the network?
    • A. 

      The network will be split into two token bus networks

    • B. 

      The nodes downstream from the break will have no network connectivity

    • C. 

      The nodes upstream from the break will have no network connectivity

    • D. 

      The network will collapse

  • 22. 
    Should a break occur in the cable of an Ethernet network, what will be offline?
    • A. 

      All hosts on the network

    • B. 

      The host directly connected to the failed cable

    • C. 

      The hosts upstream from the failed cable

    • D. 

      None of the hosts on the network

  • 23. 
    If a break happens in the cable of a token ring network occurs, what will happen?
    • A. 

      The network will revert to a token bus network

    • B. 

      The nodes downstream from the break will have no network connectivity

    • C. 

      The nodes upstream from the break will have no network connectivity

    • D. 

      The network will collapse

  • 24. 
    You are working as a network technician. The computer labs are still using a physical bus network. Which of the following could cause a complete network failure on the computer labs network?
    • A. 

      One of the networked workstations is powered off

    • B. 

      One of the networked workstations is using the DLC (Data Link Protocol)

    • C. 

      A terminator has been removed from the end of the bus trunk cable

    • D. 

      A terminator has been installed on the end of the bus trunk cable

  • 25. 
    You work as a network administrator. You are sent to one of your branch offices to investigate a network problem. The network at the branch office consists of twenty Windows XP workstations that are wired to a switch. The switch is connected to a router for Internet access. One of the users at the branch office reports that she is unable to access the Internet. All other users can access the Internet. Which of the following items should you check to solve the problem?
    • A. 

      The network card of the problematic machine, the port on the switch that uplinks to router, and the patch cable from the problematic machine to the switch.

    • B. 

      B. The patch cable from the problematic machine to the switch, the port on switch that the problematic machine is plugged into, and the external interface on the router

    • C. 

      The network card of the problematic machine, the port on the switch that the problematic machine is plugged into, and the patch cable from the problematic machine to the switch

    • D. 

      The port on the switch that the problematic machine is plugged into, the network card of the problematic machine, and the uplink port on the switch

  • 26. 
    You work as a network engineer. You manage six workstations that are named Workstation1 through Workstation6. The workstations are installed sequentially in a physical ring topology. One day Workstation3 fails and you need to send it back to the manufacturer for service. How would you remove Workstation3 from the network without moving the other workstations?
    • A. 

      Connect Workstation 2 and Workstation 4 using a barrel connector

    • B. 

      Add a 75 ohm terminator to Workstation 2 and Workstation 4

    • C. 

      Connect Workstation 2 and Workstation 4 using an RJ-45 coupler

    • D. 

      Add a 50 ohm terminator to Workstation 2 and Workstation 4

  • 27. 
    You work as a network engineer. You manage ten workstations numbered 1 through 10. All ten workstations are installed sequentially on a physical bus network. Your boss has requested that you separate workstations 1 through 5 and workstation 6 through 10 into two separate networks and move the first 5 workstations to another department. You cut the cable between workstations 5 and 6. What else, if anything, must you do to complete the job?
    • A. 

      Do nothing; the job has been successfully completed

    • B. 

      Install a terminator on the severed end of the bus trunk cable connecting workstations 1 through 5

    • C. 

      Install a terminator on the severed end of the bus trunk cable connecting workstations 6 through 10

    • D. 

      Install terminators on both severed ends of the bus trunk cable

  • 28. 
    You are an administrator on a network with several workstations that have wireless 802.11g network adapters. Every day at around lunchtime wireless users complain of loss of connectivity. What can you do to this problem?
    • A. 

      Replace the WAP with an 802.11b WAP

    • B. 

      Move the WAP away from the kitchen

    • C. 

      Configure the wireless workstations and the WAP to operate in ad-hoc mode

    • D. 

      Connect the WAP directly to the network

  • 29. 
    You are the network administrator of a network which consists of two subnets. One subnet contains all workstations and the other contains all servers. Users complain that they cannot access the servers in the remote subnet. You cannot ping any of the workstations by either host name or IP address but you can ping the other servers. What is the probable cause of this problem?
    • A. 

      The DNS server is offline

    • B. 

      The DHCP server is offline

    • C. 

      The router is offline

    • D. 

      The gateway is offline

  • 30. 
    You work as a network technician. A user has entered the wrong WEP key into a wireless device. Which of the following symptoms will occur?
    • A. 

      Data can be sent but not received

    • B. 

      The network cannot be accessed

    • C. 

      Data cannot be sent but can be received

    • D. 

      The network can only be accessed using the Service Set Identifier