engineering computer science MCQ #476

A sender is using the Go-Back-N protocol with a window size of 7. If the sender sends 10 packets, how many packets will it retransmit if packet 3 is lost?

engineering computer science MCQ #476

  1. Question 1

    Q1. A sender is using the Go-Back-N protocol with a window size of 7. If the sender sends 10 packets, how many packets will it retransmit if packet 3 is lost?

    • A) 1 packet
    • B) 3 packets
    • C) 7 packets
    • D) 8 packets

    Answer: 7 packets

    Explanation: In Go-Back-N, if a packet is lost, the sender retransmits that packet and all subsequent packets in the current window, so 7 packets are retransmitted.