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Assume that the timeout values are sufficiently long such that 5 consecutive data segments and their corresponding ACKs can be received (if not lost during transmission) by the receiving host (Host B) and the sending host (Host A) respectively. Suppose the sender window size is 5, and Host A sends 5 data segments to Host B, and the 2nd segment (sent from A) is lost. Suppose Selective-Repeat is used for retransmissions. After retransmissions, in the end, all 5 data segments have been correctly received by Host B. a. How many segments has Host A sent in total and how many ACKs has Host B sent in total

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