There are six control bits to describe a packet's role in a Transmission Control Protocol (TCP) connection. Which of the following control bits initiates a graceful end to a connection?

The correct answer is A. FIN. When the data transmission is complete and the device want to terminate the connection, the device initiating the termination, places a TCP segment (Segment is the name of the data packet at transport layer, if the protocol is TCP) with the FIN flag set to one. The purpose of…

Reconnaissance, Scanning, and Enumeration

Question

Options

AFIN
BPSH
CSYN
DRST
EURG

How the community answered

(61 responses)

A
89% (54)
B
5% (3)
C
2% (1)
D
3% (2)
E
2% (1)

Explanation

When the data transmission is complete and the device want to terminate the connection, the device initiating the termination, places a TCP segment (Segment is the name of the data packet at transport layer, if the protocol is TCP) with the FIN flag set to one. The purpose of FIN bit is to enable TCP to gracefully terminate an established session

Topics

#TCP flags#FIN flag#TCP connection teardown#network fundamentals

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