A sender is sending data using a window size of 8. If the ACK for the first frame is lost, what will be the sender's next action?
Q1. A sender is sending data using a window size of 8. If the ACK for the first frame is lost, what will be the sender's next action?
Answer: Wait for timeout
Explanation: Sender will wait for timeout and then resend the first frame if no ACK is received.