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Question:

During the second step of the TCP three-way handshake, what flag or flags are sent in the segment?

A SYN/ACK
explanation

In a three-way TCP handshake, the originator sends a SYN. In step 2, the recipient sends a SYN and an ACK. The originator answers with an ACK in step 3. The steps are indicated as SYN, SYN/ACK, and ACK.

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