Network + : Questions Missed Ch1-ch5

22 Questions | Total Attempts: 50

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Network Plus Quizzes & Trivia

Questions missed from Chapter 1 to Chapter 5.


Questions and Answers
  • 1. 
    You are connected to a server on the Internet and you click on a link on the server and receive a time-out message. What layer could be the cause of this message? 
    • A. 

      Application

    • B. 

      Transport

    • C. 

      Network

    • D. 

      Physical

  • 2. 
    When data is encapsulated, which is the correct order?
    • A. 

      Data, frame, packet, segment, bits

    • B. 

      Segment, data, packet, frame, bits

    • C. 

      Data, segment, packet, frame, bits

    • D. 

      Data, segment, frame, packet, bits

  • 3. 
    What are two purposes for segmentation with a bridge?
    • A. 

      To add more broadcast domains

    • B. 

      To create more collision domains

    • C. 

      To add more bandwidth for users

    • D. 

      To allow more broadcasts for users

  • 4. 
    Which of the following are types of flow control? (Choose all that apply.)
    • A. 

      Buffering

    • B. 

      Cut-through

    • C. 

      Windowing

    • D. 

      Congestion avoidance

    • E. 

      VLANs

  • 5. 
    What is the purpose of flow control?
    • A. 

      To ensure that data is retransmitted if an acknowledgement is not received

    • B. 

      To reassemble segments in the correct order at the destination device.

    • C. 

      To proved a means for the receiver to govern the amount f data sent by the sender.

    • D. 

      To regulate the size of each segment.

  • 6. 
    Which IEEE standard specifies the protocol for CSMA/CD?
    • A. 

      802.2

    • B. 

      802.3

    • C. 

      802.5

    • D. 

      802.11

  • 7. 
    Which of the following Ethernet unshielded twisted-pair (UTP) cables types is most commonly used? 
    • A. 

      10Base-T

    • B. 

      100Base-TX

    • C. 

      1000Base-TX

    • D. 

      All of the above

  • 8. 
    Fiber-optic cable is immune to electromagnetic interference (EMI) and radio frequency interference (RFI) because it:
    • A. 

      Transmits analog signals using electricity

    • B. 

      Transmits analog signals using light impulses

    • C. 

      Transmits digital signals using light impulses

    • D. 

      Transmits digital signals using electricity

  • 9. 
    How many hosts on a half-duplex segment can talk at one time? 
    • A. 

      0

    • B. 

      1

    • C. 

      2

    • D. 

      4

  • 10. 
    Which type of cable should be used to connect to the console port on a router? 
    • A. 

      Console cable

    • B. 

      Crossover cable

    • C. 

      Straight-through cable

    • D. 

      USB

  • 11. 
    You need to make a 586B cable. How many pairs will you use? 
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 12. 
    On an Ethernet switched network what address does one host computer use to communicate with another?
    • A. 

      IP address

    • B. 

      MAC address

    • C. 

      Street address

    • D. 

      HUB address

  • 13. 
    What is the maximum distance of 10GBase-SR?
    • A. 

      100 meters (328 feet)

    • B. 

      302 meters (990 feet)

    • C. 

      305 meters (1000 feet)

    • D. 

      1593 km (6 miles)

  • 14. 
    What is the maximum distance of 100GBase-LR?
    • A. 

      1 mile

    • B. 

      3 miles

    • C. 

      6 miles

    • D. 

      25 miles

  • 15. 
    What is the decimal value for the binary number 11101000?
    • A. 

      9

    • B. 

      A

    • C. 

      C

    • D. 

      B

  • 16. 
    How many bits is a MAC address?
    • A. 

      16

    • B. 

      32

    • C. 

      48

    • D. 

      64

  • 17. 
    What is the purpose of the Frame Check Sequence (FCS) in an Ethernet frame?
    • A. 

      Error correction

    • B. 

      Error detection

    • C. 

      Error recovery

    • D. 

      Creating errors

  • 18. 
    Which is not a common term asociated with modems? 
    • A. 

      POTS

    • B. 

      DSL

    • C. 

      Cable

    • D. 

      NIC

  • 19. 
    Which of the following devices can work at both Layers 2 and 3 of the OSI model?
    • A. 

      Hub

    • B. 

      Switch

    • C. 

      Repeater

    • D. 

      Bridge

  • 20. 
    Which device should be used if you need to send incoming packets to one or more machines that are hidden behind a single IP address?
    • A. 

      Switch

    • B. 

      Load balancer

    • C. 

      Hub

    • D. 

      Repeater

  • 21. 
    What role does that "A" record in a Domain Name Service (DNS) server have in your network?
    • A. 

      Translates human name to IP address

    • B. 

      Translate IP address to human name

    • C. 

      Enables printing, copying, and faxing from one device

    • D. 

      Controls network packets to optimize performance

  • 22. 
    Users on your network are saturation your bandwidth because they are using too many non-work related sites. What device would limit the availability of the types of sites that users on a LAN have access to while providing granular control over the traffic between local LAN and the Internet? 
    • A. 

      Switch

    • B. 

      DHCP server

    • C. 

      DNS server

    • D. 

      Proxy server

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