CCNA Security Question:
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Identify the true statements in below

Answer:

A. Stateless packet filtering considers the TCP connection state. B. Stateful packet filtering considers the TCP connection state.
C. Neither stateless nor stateful packet filtering monitor the TCP connection state.

D. Both stateless and stateful packet filtering monitor the TCP connection state, and keep a state table containing that information.

Ans: (B.) Stateful packet filtering does monitor the connection state, and that’s particularly important when it comes to preventing TCP attacks. A stateful firewall will not only monitor the state of the TCP connection, but also the sequence numbers. Stateful firewalls accomplish this by keeping a session table, or state table.

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