A sender uses a go-back-N protocol with a window size of 8. If an error occurs, how many packets are retransmitted?
Q1. A sender uses a go-back-N protocol with a window size of 8. If an error occurs, how many packets are retransmitted?
Answer: 8
Explanation: In go-back-N, all packets from the error point onwards are retransmitted, so 8 packets are retransmitted.