In a sliding window protocol, the sender's window size is 7. What is the maximum number of packets that can be sent before an ACK is required?
Q1. In a sliding window protocol, the sender's window size is 7. What is the maximum number of packets that can be sent before an ACK is required?
Answer: 7
Explanation: The sender can send as many packets as the window size before needing an ACK, so the maximum is 7 packets.