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In TCP Reno, if the receiver receives an in-order segment with expected sequence number and one other in-order segment is waiting to be ACKed, the receiver immediately sends an ACK for both segments. Does it send two ACKs, one for each segment, or does it send one ACK? Justify your answer. What is the logic behind the receiver not waiting in this case? You can ignore congestion control for answering this question. [5 points)

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