The stop and wait ARQ needs _______ connection.
A. Half duplex
B. Full duplex
C. Simplex
D. None of the mentioned
Answer:A
The stop and wait ARQ needs _______ connection.
A. Half duplex B. Full duplex C. Simplex D. None of the mentioned
Explanation: The stop and wait ARQ needs half duplex system since the transmitter needs ACK for each transmission.