Implementation of Selective Repeat ARQ Flow Control Protocol

Pre Test

  1. The senders window in the sliding window protocol can expand when:
    2. a. An ACK is received
    b. An ACK is sent
    c. A frame is sent
    d. A frame is received

  2. In the _________ protocol we avoid unnecessary transmission by sending only frames that are corrupted.
    3. a. Stop and wait
    b. Go Back N
    c. Selective Repeat
    d. All of the above

  3. In Selective Repeat ARQ, if 5 is the number of bits for the sequence number, then the maximum size of the receive window must be _____.
    4. a. 1
    b. 15
    c. 16
    d. 31

  4. In Selective Repeat ARQ, the size of the sender and receiver window must be at most:
    5. a. One half of 2^m
    b. Twice of 2^m
    c. Exactly 2^m
    d. None of the above

  5. In Selective Repeat Window size = 5 and we are sending 10 packets where every 5th packet is lost find number of retransmissions?
    6. a. 12
    b. 11
    c. 13
    d. 10