COMPUTER NETWORKING

DATA LINK LAYER WIRED NETWORKS

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which consequences are more likely to occur during the frame transmission in Stop-and-Wait ARQ mechanism?
A
Loss of frame or an acknowledgement
B
Delay in an acknowledgement
C
Normal operation
D
All of the above
Explanation: 

Detailed explanation-1: -Disadvantages of Stop and Wait Protocol The receiver is patiently awaiting the data packet. The receiver does not send an acknowledgement because it does not receive the data. The sender won’t send the subsequent packet because it has not received any acknowledgement. The lost data is the root cause of this issue.

Detailed explanation-2: -Problems occur due to lost data. Suppose the sender sends the data and the data is lost. Problems occur due to lost acknowledgment. Suppose the sender sends the data and it has also been received by the receiver. Problem due to the delayed data or acknowledgment.

There is 1 question to complete.