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Which of these is NOT a step in the TCP three-way handshake?
The host sends a SYN packet to the second host
The first host requests the second host to send an SYN
The first host completes the connection acknowledging the packet
The second host responds with packet and acknowledges it was received
The correct response is the first host requests the second host send an SYN. This is not part of the three way handshake. In this process, the host sends a SYN packet to the second host, the second host responds with packet and acknowledges it was received and the first host completes the connection acknowledging the packet. EDIT: I disagree with this answer. The second host's response includes a SYN packet, as well as an ACK, and one could argue that the first host is requesting this packet when they send the initial SYN.
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