Network+ Chapter 2 Quiz

30 Questions | Total Attempts: 334

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Network Plus Quizzes & Trivia

Questions and Answers
  • 1. 
    Which layer chooses and determines the availability of communicating partners along with the resources necessary to make the connection, coodinates partering applications, and forms a consesus on preocedures for controlling data integiry and error recovery?
  • 2. 
    Which layer is responsible for converting data packets from the Data link layer into electrical signals?
  • 3. 
    At which layer is routing implemented, enabling connections and path selection between two end systems?
  • 4. 
    Wich layer defines how data is formatted, presented, encoded, and converted?
  • 5. 
    Which layer is responsible for creating, managing, and terminating seesions between applications?
  • 6. 
    Which layer manages the transmission of data across a physcial link and is primarily concerned with physical addressing and the ordered delivery of frames?
  • 7. 
    Which layer is used for reliable communication between two end nodes over the network and provides mechanisms for establishing, maintaining, and terminating virutal circuits as well as controlling the flow of information?
  • 8. 
    Which layer provides logical adressing  that routers use for path determination?
  • 9. 
    Which layer specifies voltage, wire speed, and connector pinouts and moves bits between devices?
  • 10. 
    Which layer combines bits into bytes and bytes into frames and uses MAC addressing?
  • 11. 
    Host 1 sent a SYN packet to Host 2. What will host 2 send in response?
    • A. 

      A.ACK

    • B. 

      NAK

    • C. 

      SYN-ACK

    • D. 

      SYN-NAK

    • E. 

      SYN

  • 12. 
    TCP and UDP reside at which layer of the OSI model?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 13. 
    Which layer of the OSI model provides a user interface in the form on an entery point for programs to access the network infrastructure?
    • A. 

      Application

    • B. 

      Transport

    • C. 

      Network

    • D. 

      Physical

  • 14. 
    You are connected to a server on the Internet and you click on alink on the server and receive a time-out message. What later could the cause of this message?
    • A. 

      Application

    • B. 

      Transport

    • C. 

      Network

    • D. 

      Physical

  • 15. 
    Which layer of the OSI model is responsible for code and character-set conversion as well as recognizing data formats?
    • A. 

      Application

    • B. 

      Presentation

    • C. 

      Session

    • D. 

      Network

  • 16. 
    At which layers of the OSI model do bridges, hubs, and routers primarily operate, respectively?
    • A. 

      Physical, Physical, Data link

    • B. 

      Data link, Data Link, Network

    • C. 

      Data Link, Physical, Network

    • D. 

      Physical, Data Link, Network

  • 17. 
    Which layer of the OSI model is responsible for converting data into signals appropriate for the trasmission medium?
    • A. 

      Application

    • B. 

      Network

    • C. 

      Data Link

    • D. 

      Physical

  • 18. 
    A recieving host has failed to recieve all the segments that it should acknowledge, What can the host do to improve the reliability of this communication session?
    • A. 

      Send a different source port number.

    • B. 

      Restart the virtual circuit

    • C. 

      Decrease the sequence number.

    • D. 

      Decrease the window size

  • 19. 
    When data is encapsuslated, 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

  • 20. 
    Acknowledgements, sequencing, and flow control are characteristics of which OSI model?
    • A. 

      Layer 2

    • B. 

      Layer 3

    • C. 

      Layer 4

    • D. 

      Layer 7

  • 21. 
    Which of the following are types of flow control?
    • A. 

      Buffering

    • B. 

      Cut-through

    • C. 

      Windowing

    • D. 

      Congestion avoidance

    • E. 

      VLANs

  • 22. 
    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 provide a means for the receiver to govern the amount of data sent by the sender

    • D. 

      To regulate the size of each segment

  • 23. 
    At which layer of the OSI model would you find IP?
    • A. 

      Transport

    • B. 

      Network

    • C. 

      Data link

    • D. 

      Physcial

  • 24. 
    Of the following, which the highest layer in the OSI model?
    • A. 

      Transport

    • B. 

      Session

    • C. 

      Network

    • D. 

      Presentation

  • 25. 
    Routers perform routing at which OSI layer?
    • A. 

      Physical

    • B. 

      Data Link

    • C. 

      Network

    • D. 

      Transport

    • E. 

      Application

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