Intwk CT Quiz

30 Questions

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Computed Tomography Quizzes & Trivia

CT Revision


Questions and Answers
  • 1. 
    In the Cisco router, the number of boot-up phases required is
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

  • 2. 
    During Cisco router boot-up, the purpose of bootstrap program is to find the
    • A. 

      IOS

    • B. 

      NOS

    • C. 

      NVRAM

    • D. 

      RAM

  • 3. 
    One major purpose of Cisco router is to
    • A. 

      Forward packets

    • B. 

      Store information

    • C. 

      Filter MAC addresses

    • D. 

      Ensure network connectivity

  • 4. 
    After the router boot-up POST phase, the next phase is to load
    • A. 

      NVRAM

    • B. 

      Startup file

    • C. 

      Bootstrap program

    • D. 

      Configuration file

  • 5. 
    The router startup configuration file is located in 
    • A. 

      RAM

    • B. 

      ROM

    • C. 

      NVRAM

    • D. 

      NVROM

  • 6. 
    The IOS can be found in the  
    • A. 

      ROM

    • B. 

      RAM

    • C. 

      NVRAM

    • D. 

      Flash memory

  • 7. 
    One of the components required for IP basic addressing scheme is 
    • A. 

      Cable type

    • B. 

      Exit interface

    • C. 

      Port status

    • D. 

      Subnet mask

  • 8. 
    The purpose of the Cisco IOS "no shutdown" command is to 
    • A. 

      Enable an interface

    • B. 

      Disable an interface

    • C. 

      Disable system shutdown

    • D. 

      Test interface connectivity

  • 9. 
    VLSM stands for
    • A. 

      Verified Link Subnet Masking

    • B. 

      Variable Link Subnet Masking

    • C. 

      Verified Length Subnet Masking

    • D. 

      Variable Length Subnet Masking

  • 10. 
    Refer to VLSM subnet 172.16.5.128/26, the most approriate number of hosts for this subnet is 
    • A. 

      30

    • B. 

      60

    • C. 

      90

    • D. 

      120

  • 11. 
    A Class C address contains
    • A. 

      8 bits for Network, 24 bits for Hosts

    • B. 

      16 bits for Network,16 bits for Hosts

    • C. 

      24 bits for Network, 8 bits for Hosts

    • D. 

      32 bits for Network, 0 bits for Hosts

  • 12. 
    What is the subnet mask for subnet 10.1.1.0/8 so that it can have up to 254 hosts?
    • A. 

      0.0.0.0

    • B. 

      255.0.0.0

    • C. 

      255.255.0.0

    • D. 

      255.255.255.0

  • 13. 
    To discover the Cisco devices that are directly connected to a Cisco router, the command to use is
    • A. 

      Show all neighbors

    • B. 

      Show cdp neighbors

    • C. 

      Show ios neighbors

    • D. 

      Show cisco neighbors

  • 14. 
    The command to disable secret password on a router is
    • A. 

      No password secret

    • B. 

      No secret password

    • C. 

      No enable secret

    • D. 

      No secret enable

  • 15. 
    Fill in the missing command to complete the configuration of the serial interface: R1(config-if)# interface s0/0/0 R1(config-if)# ip address 192.168.1.3 255.255.255.0 R1(config-if)# __________________________
    • A. 

      Exit

    • B. 

      Traceroute

    • C. 

      No shutdown

    • D. 

      Enable interface

  • 16. 
    Which of the following routing protocols is a classful protocol?
    • A. 

      RIPv1

    • B. 

      RIPv2

    • C. 

      EIGRP

    • D. 

      OSPF

  • 17. 
    The metric used by RIPv1 and RIPv2 is
    • A. 

      Jump count

    • B. 

      Hop count

    • C. 

      Router count

    • D. 

      Cycle count

  • 18. 
    Which one of the following is NOT a tool for trouble-shooting missing static routes? 
    • A. 

      Ping

    • B. 

      Traceroute

    • C. 

      Show version

    • D. 

      Show ip route

  • 19. 
    Routers operate at OSI Layer
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 20. 
    Which one of the following is a Distance Vector protocol?
    • A. 

      BGP

    • B. 

      IS-IS

    • C. 

      OSPF

    • D. 

      RIP

  • 21. 
    The AD of static route is 
    • A. 

      0

    • B. 

      1

    • C. 

      90

    • D. 

      100

  • 22. 
    Which routing protocol can support a discontiguous network?
    • A. 

      Default

    • B. 

      Classful

    • C. 

      Classless

    • D. 

      Static

  • 23. 
    What is the command to display the routing table of a router?
    • A. 

      Show ip entry

    • B. 

      Show ip list

    • C. 

      Show ip route

    • D. 

      Show ip table

  • 24. 
    If there are more one routing protocols forwarding packets to one network destination, the route will select the best path based on
    • A. 

      AD

    • B. 

      Bandwidth

    • C. 

      Cost

    • D. 

      Default route

  • 25. 
    Refer to the routing table below, how many dynamic protocols are present? Gateway of last resort is 0.0.0.0 to network 0.0.0.0 10.0.0.0/24 is subnetted, 2 subnets C       10.45.1.0 is directly connected, Serial0/0/0 C       10.45.2.0 is directly connected, FastEthernet0/0 172.20.0.0/24 is subnetted, 1 subnets C       172.20.20.0 is directly connected, Serial0/0/1 R    192.168.1.0/24 [120/1] via 10.45.1.254, 00:00:01, Serial0/0/0 D    10.10.1.1[90/156 160] via 10.0.0.0,00:00:01,  FastEthernet1/0 S*   0.0.0.0/0 is directly connected, Serial0/0/1
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 26. 
    Which command provides a summary view of all interfaces in a router?
    • A. 

      Show ip route

    • B. 

      Show ip protocols

    • C. 

      Show ip rip

    • D. 

      Show ip interface brief

  • 27. 
    How many host bits are needed if a subnet needs to have up to 12 hosts?
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

  • 28. 
    To prevent large amount of processing power being consumed on a router, a ________ route would be configured on a stub router.
    • A. 

      Link state

    • B. 

      Broadcast

    • C. 

      Default static

    • D. 

      Distance vector

  • 29. 
    Which ONE of the following is a valid static route command for Cisco router?
    • A. 

      Ip route 192.168.1.2 255.255.255.0 fa0/1

    • B. 

      Ip route 192.168.1.1 255.255.255.0 se0/0/0

    • C. 

      Ip route 256.168.1.2 256.255.255.0 fa0/1

    • D. 

      Ip route 256.168.1.1 256.255.255.0 se0/0/0

  • 30. 
    What is the AD of OSPF?
    • A. 

      90

    • B. 

      100

    • C. 

      110

    • D. 

      120