engineering computer science MCQ #539

A sender is using a Go-Back-N ARQ protocol with a window size of 8. If the sender sends frames 0 through 7 and receives an ACK for frame 3, what is the next frame it will send?

engineering computer science MCQ #539

  1. Question 1

    Q1. A sender is using a Go-Back-N ARQ protocol with a window size of 8. If the sender sends frames 0 through 7 and receives an ACK for frame 3, what is the next frame it will send?

    • A) Frame 8
    • B) Frame 4
    • C) Frame 0
    • D) Frame 3

    Answer: Frame 4

    Explanation: In Go-Back-N, upon receiving an ACK for a frame, the sender can send the next set of frames.