Question: 1. Answer the following questions relating to ARQ protocols. (a) In the Stop-And-Wait ARQ protocol, the receiver sends an acknowledgement (ACK) to the sender

1. Answer the following questions relating to ARQ protocols. (a) In the Stop-And-Wait ARQ protocol, the

1. Answer the following questions relating to ARQ protocols. (a) In the Stop-And-Wait ARQ protocol, the receiver sends an acknowledgement (ACK) to the sender if a packet is correctly received with the wrong sequence number. In one sentence, explain what has happened and why this is needed. (b) In the Selective Repeat ARQ protocol that we discussed in class, assume that the sender and receiver both use a maximum window size of Ws = W = 10. i. What is the minimum number of bits that are needed for sequence numbers? ii. What is the answer if the protocol is Go-Back-N with the same W, as above?

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