Implementation of Stop & Wait ARQ Flow Control Protocol

Post-Test

  1. For Stop-and-Wait ARQ, for 10 data packets sent, _______ acknowledgments are needed.
  2. a. less than 10
    b. more than 10
    c. exactly 10
    d. none of the above

  3. What is the main disadvantage of stop-and-wait flow control ?
  4. a. Unreliable
    b. Inefficient
    c. Attenuation
    d. Dropped Packets

  5. The frames in Stop-And-Wait ARQ are re-transmitted when :-
  6. a. It is not known
    b. ACK is received
    c. The Time Expires
    d. Never Re-transmitted

  7. The term that refers to the set of procedures used to restrict the amount of data that the sender can send before waiting for the acknowledgement is:
  8. a. Error control
    b. Byte Stuffing
    c. Delay Shift
    d. Flow Control

  9. A receiver using stop-and-wait ARQ sends ACK framed numbered __________.
  10. a. 0 and 1 only
    b. Sequentially, beginning with 0
    c. Sequentially, beginning with 1
    d. The frames are not numbered