Question: Consider two neighboring nodes, A and B using a sliding window protocol. Go-back-4 is used. Assume that A is transmitting, and B is receiving. Show

Consider two neighboring nodes, A and B using a sliding window protocol. Go-back-4 is used. Assume that A is transmitting, and B is receiving. Show the window positions for the following sequence of events (please make a sketch) (please identify all steps and write on a piece of paper) a. Before A sends a frame b. After A sends frames 0, 1, 2; B acknowledges 0, 1 and the ACKs are received by A c. After A sends frames 3, 4, and 5; B acknowledges 4 and the ACK is received by A

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