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Author(s) Olivier Bonaventure
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Go-back-n


Question 1: Frames sent by a go-back-n sender

You implement a Go-back-n sender and observe the following frames that you send/receive. Assume that you use a window of three frames.

mcq-rel-gbn/figure1.png
Question 2: A go-back-n sender

You implement a Go-back-n sender and observe the following frames that you send/receive. Assume that you use a window of three frames.

mcq-rel-gbn/figure3.png

Which affirmation is correct among the ones below:

Question 3: A go-back-n sender

You implement a Go-back-n sender and observe the following sequence of frames. Assuming that you have a window of three segments.

mcq-rel-gbn/figure4.png

Among the following affirmations, only one is correct. Which one ?

Question 4: A go-back-n receiver

You implement a go-back-n receiver and receive the following frames.

mcq-rel-gbn/figure2.png

How do you respond to the reception of the frame D(2,b) ?