Question: TCP is the most reliable connection-oriented protocol (layer 4) when compared with Ethernet, IP, UDP, and HTTP connections which are all connectionless (Layers 2,3, 4

TCP is the most reliable connection-oriented protocol (layer 4) when compared with Ethernet, IP, UDP, and HTTP connections which are all connectionless (Layers 2,3, 4 and 5 respectively). How do you think TCP would handle the problem if an acknowledgment were lost so that the sender retransmitted the unacknowledged TCP segment, therefore, causing the receiving transport process to receive the same segment twice?

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