Networking Concepts第 13 / 100 题
In the TCP three-way handshake, which sequence of flags correctly establishes a connection?
a.ACK, SYN-ACK, SYN
b.FIN, ACK, RST
c.PSH, URG, ACK
d.SYN, SYN-ACK, ACK
解析
The TCP three-way handshake proceeds as SYN, then SYN-ACK, then ACK to establish a reliable session. FIN and RST relate to closing or resetting connections. Understanding the handshake helps diagnose connection setup failures.
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