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Question 80 - ECSS discussion

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Bob, a forensic investigator, was instructed to review a Windows machine and identify any anonymous activities performed using it. In this process. Bob used the command ''netstat -ano' to view all the active connections in the system and determined that the connections established by the Tor browser were closed. Which of the following states of the connections established by Tor indicates that the Tor browser is closed?

A.

ESTABLISHED

Answers
A.

ESTABLISHED

B.

CLOSE WAIT

Answers
B.

CLOSE WAIT

C.

TIMEWAIT

Answers
C.

TIMEWAIT

D.

LISTENING

Answers
D.

LISTENING

Suggested answer: C

Explanation:

Thenetstat -anocommand is used to display all active connections and their respective states on a system. When the Tor browser is closed, the connections it established would no longer be active.The state that indicates a connection is no longer active and is in the process of closing isTIMEWAIT1.

In the context of TCP/IP networking,TIMEWAITis a state that occurs after a connection has been terminated by the application, and the system is waiting to ensure that all packets have been received to prevent any delayed packets from appearing in subsequent connections2. This state helps to ensure that a new connection does not receive packets from an old connection, which is particularly important in ensuring the security and integrity of data transmission.

The other states listed have different meanings:

A . ESTABLISHED: This state means that the connection is currently active and data can be transferred.

B . CLOSE WAIT: This state indicates that the remote end has shut down, and the local end is waiting for the application to close the connection.

D . LISTENING: This state signifies that the server is waiting for incoming connections on a specific port.

Therefore, the correct answer is C, TIMEWAIT, as it represents the state where the connection has been closed by the application, which in this case would be the Tor browser.

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asked 24/10/2024
FUKUMOTO AYUMI
31 questions
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