EC-Council
EC0-350 · Question #890
During the TCP three way handshake, the client sends a SYN along with the ISN he will begin using. The server then responds with a SYN and ACK. After this step, before the client sends an ACK to the…
The correct answer is B. The client's ISN + 1. See the full explanation below for the reasoning.
Question
During the TCP three way handshake, the client sends a SYN along with the ISN he will begin using. The server then responds with a SYN and ACK. After this step, before the client sends an ACK to the server, what is the value of the acknowledgement number field of the server's packet?
Options
- AThe client's ISN
- BThe client's ISN + 1
- CThe server's ISN
- DThe server's ISN + 1
How the community answered
(37 responses)- A5% (2)
- B73% (27)
- C16% (6)
- D5% (2)
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