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Cisco

500-254 · Question #15

Which statement is true about 802.1X closed mode?

The correct answer is D. Cisco Discovery Protocol is allowed before authentication. See the full explanation below for the reasoning.

Question

Which statement is true about 802.1X closed mode?

Options

  • AIt is the default configuration of an 802.1X-enabled switch port.
  • BOnly EAPOL traffic is allowed until the authentication process is finished.
  • CDNS and DHCP are allowed before authentication.
  • DCisco Discovery Protocol is allowed before authentication.
  • EOnly EAPOL and Cisco Discovery Protocol are allowed until the authentication process completes.

How the community answered

(31 responses)
  • A
    3% (1)
  • B
    3% (1)
  • C
    13% (4)
  • D
    74% (23)
  • E
    6% (2)

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