Data Communications - Data Link Protocol & Lan Devices

20 Questions

Settings
Please wait...
Data Communication Quizzes & Trivia

This quiz covers data link protocols and devices in extending LANs.


Questions and Answers
  • 1. 
    The transmitting station sends one message frame and then waits for an acknowledgment before sending the next message frame.
    • A. 

      Stop and Wait Protocol

    • B. 

      Simplex Protocol for a Noisy Channel

    • C. 

      One-Bit Sliding Window Protocol

    • D. 

      Sliding Window Protocol using Go Back N

  • 2. 
    A source station can transmit several frames in succession before receiving an acknowledgment.
    • A. 

      Stop and Wait Protocol

    • B. 

      Simplex Protocol for a Noisy Channel

    • C. 

      Sliding Window Protocol

  • 3. 
    A protocol that accepts frames out of order , but passes packets to the network layer in order, which is associated with timer, and when the timer expires, only those frames associated with the timer are retransmitted.
    • A. 

      A Sliding Window Protocol Using Selective Repeat

    • B. 

      Simplex Stop and Wait Protocol

    • C. 

      Simplex Protocol for a Noisy Channel

  • 4. 
     It can be a sender or receiver which is always in a specific state at every instant of time and consists of all values of its variables, including program counter. l
    • A. 

      Tokens

    • B. 

      Protocol machine

    • C. 

      Transistion

    • D. 

      Checksum

  • 5. 
    A ______________ is an electronic device that receives a signal and retransmits it at a higher level and/or higher power, or onto the other side of an obstruction, so that the signal can cover longer distances without degradation.
  • 6. 
    A  _________ is a device for connecting multiple twisted pair or fiber optic Ethernet devices together, making them act as a single network segment.
  • 7. 
    A  _____________ interconnects two or more individual LANs or LAN segments and connects networks that have different type of architectures.
  • 8. 
    A  _____________ is a network node equipped for interfacing with another network that uses different protocols.
  • 9. 
    A  __________ contains software that enables them to determine which of several possible paths between addresses is the best for a particular transmission and operates in the physical, data link, and network layers of the OSI model.
  • 10. 
    ISO Standard referring to Frame Structure.
  • 11. 
    ISO Standard referring to Elements of Procedure
  • 12. 
    This protocol allows multiple outstanding frames without waiting for an ack.
    • A. 

      Sliding Window Protocol Using Go Back N

    • B. 

      One-bit sliding window protocol

    • C. 

      Unrestricted Simplex Protocol

    • D. 

      A Simplex Protocol for a Noisy Channel

  • 13. 
    This protocol allows unidirectional data flow over an unreliable channel.
    • A. 

      Sliding Window Protocol Using Go Back N

    • B. 

      A Simplex Protocol for a Noisy Channel

    • C. 

      Unrestricted Simplex Protocol

    • D. 

      One-bit sliding window protocol

  • 14. 
    Transmission is one-directional and is assumed to be error free but the receiver has only a finite buffer capacity and a finite processing speed.
    • A. 

      A Simplex Protocol for a Noisy Channel

    • B. 

      Simplex Stop and Wait Protocol

    • C. 

      One-bit sliding window protocol

    • D. 

      Protocol Using Selective Repeat

  • 15. 
    Provides for data transmission in one direction , and it is assumed to be error free and the receiver is assumed to be able to process all the input infinitely quickly.
    • A. 

      Unrestricted Simplex Protocol

    • B. 

      Simplex Stop-and Wait Protocol

    • C. 

      A Simplex Protocol for a Noisy Channel

    • D. 

      Sliding Window Protocol

  • 16. 
    Which of the following is a disadvantage of a network bridge?
    • A. 

      Reduce size of collision domain by microsegmentation in non switched networks.

    • B. 

      Allows the introduction of management - performance information and access control.

    • C. 

      Buffering introduces store and forward delays.

    • D. 

      Transparent to protocols above the MAC layer

  • 17. 
    _______________ is the amount of delay a network device introduces when data frames pass through it.
  • 18. 
    True or False.Repeaters provide electrical isolation while bridges propagate error. •
    • A. 

      TRUE

    • B. 

      FALSE

  • 19. 
    True or False. Both switches and bridges have the same architecture.
    • A. 

      TRUE

    • B. 

      FALSE

  • 20. 
    True or False.Repeaters are more expensive than gateway.
    • A. 

      TRUE

    • B. 

      FALSE