312-38 Exam Dumps | How can one identify the baseline for normal traffic?

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Question 58

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Question 58/146

How can one identify the baseline for normal traffic?

A. When the ACK flag appears at the beginning and the RST flag appears at the end of the connection

B. When the SYN flag appears at the beginning and the FIN flag appears at the end of the connection

C. When the RST flag appears at the beginning and the ACK flag appears at the end of the connection

D. When the FIN flag appears at the beginning and the SYN flag appears at the end of the connection

Correct Answer: B

In TCP/IP networking, establishing a connection typically starts with a SYN (synchronize) flag and ends with a FIN (finish) flag. This is part of the normal TCP three-way handshake and connection termination process:
* SYN (Synchronize): Initiates a connection.
* SYN-ACK (Synchronize-Acknowledge): Acknowledges the SYN and responds with a SYN.
* ACK (Acknowledge): Acknowledges the SYN-ACK, establishing the connection.
* FIN (Finish): Terminates the connection.
Observing a SYN flag at the beginning and a FIN flag at the end of the connection indicates a normal, properly terminated TCP session, establishing a baseline for normal traffic patterns.
References:
* EC-Council Certified Network Defender (CND) Study Guide
* TCP/IP protocol suite documentation

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