Quiz: Computer Networking Basic Test

10 Questions | Attempts: 309

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Quiz: Computer Networking Basic Test - Quiz

Computer networking involves the interconnection of computers and the exchange of data. This quiz provides a basic test for computer networking that will assess your understanding of the topic and provide you with valuable feedback. The quiz contains easy, medium to hard-level questions that are sure to challenge you. If you score well on this test, you are already well versed in the topic. If you find the quiz helpful, share it with others. All the best!


Questions and Answers
  • 1. 
    Barney is a host with IP address 10.1.1.1 in subnet 10.1.1.0/24. Which of the following are things that a standard IP ACL could be configured to do?
    • A. 

      Match the exact source IP address

    • B. 

      Match IP addresses 10.1.1.1 through 10.1.1.4 with one access-list command without matching other IP addresses

    • C. 

      Match all IP addresses in Barney’s subnet with one access-list command without matching other IP addresses

    • D. 

      Match only the packet’s destination IP address

  • 2. 
    Which of the following wildcard masks is most useful for matching all IP packets in subnet 10.1.128.0, mask 255.255.240.0?
    • A. 

      0.0.0.0

    • B. 

      0.0.0.31

    • C. 

      0.0.0.240

    • D. 

      0.0.0.255

    • E. 

      0.0.15.255

  • 3. 
    Which of the following access-list commands permits traffic that matches packets going to any web client from all web servers whose IP addresses begin with 172.16.5?
    • A. 

      Access-list 101 permit tcp host 10.1.1.1 172.16.5.0 0.0.0.255 eq www

    • B. 

      Access-list 1951 permit ip host 10.1.1.1 172.16.5.0 0.0.0.255 eq www

    • C. 

      Access-list 2523 permit tcp any eq www 172.16.5.0 0.0.0.255

    • D. 

      Access-list 2523 permit tcp 172.16.5.0 0.0.0.255 eq www 172.16.5.0 0.0.0.255

    • E. 

      Access-list 2523 permit tcp 172.16.5.0 0.0.0.255 eq www any

  • 4. 
    Which of the following fields can be compared using a named extended IP ACL but not a numbered extended IP ACL?
    • A. 

      Protocol

    • B. 

      Source IP address

    • C. 

      Destination IP address

    • D. 

      TOS byte

    • E. 

      None of the other answers are correct.

  • 5. 
    In which of the following data can be transferred in two directions?
    • A. 

      Duplex

    • B. 

      Simplex

    • C. 

      Triplex

    • D. 

      None of the above

  • 6. 
    Which of the following has highest speed?
    • A. 

      LAN

    • B. 

      WAN

    • C. 

      MAN

    • D. 

      PAN

  • 7. 
    IPv6 has a size of?
    • A. 

      128 bits

    • B. 

      64 bits

    • C. 

      256

    • D. 

      None of the above

  • 8. 
    In a router running IOS 12.3, an engineer needs to delete the second line in ACL 101, which currently has four commands configured. Which of the following options could be used?
    • A. 

      Delete the entire ACL and reconfigure the three ACL statements that should remain in the ACL.

    • B. 

      Delete one line from the ACL using the no access-list... command.

    • C. 

      Delete one line from the ACL by entering ACL configuration mode for the ACL and then deleting only the second line based on its sequence number.

    • D. 

      Delete the last three lines from the ACL from ACL configuration mode, and then add the last two statements back into the ACL.

  • 9. 
    What general guideline should you follow when placing extended IP ACLs?
    • A. 

      Perform all filtering on output if at all possible.

    • B. 

      Put more-general statements early in the ACL.

    • C. 

      Filter packets as close to the source as possible.

    • D. 

      Order the ACL commands based on the source IP addresses, lowest to highest, to improve performance.

  • 10. 
    Which of the following tools requires the end user to telnet to a router to gain access to hosts on the other side of the router?
    • A. 

      Named ACLs

    • B. 

      Reflexive ACLs

    • C. 

      Dynamic ACLs

    • D. 

      Time-based ACLs

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