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H12-821_V1.0 · Question #202

Which of the following descriptions of stateful inspection firewalls is correct?

The correct answer is B. Stateful detection firewalls need to match rules for each data packet entering the firewall. See the full explanation below for the reasoning.

Question

Which of the following descriptions of stateful inspection firewalls is correct?

Options

  • AWhen the stateful detection firewall checks the packets, the previous and later packets of the same connection are not relevant.
  • BStateful detection firewalls need to match rules for each data packet entering the firewall.
  • CThe stateful detection firewall only needs to match the access rules for the first packet of the connection, and subsequent packets of the connection are directly matched in the state table.
  • DBecause the UDP protocol is a connectionless protocol, the stateful detection firewall cannot match the state table of UDP packets.

How the community answered

(37 responses)
  • A
    8% (3)
  • B
    73% (27)
  • C
    3% (1)
  • D
    16% (6)

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