Exit CWSP-206 CWSP Certified Wireless Security Professional
Question 3 of 5
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Q3 Single choice

During 802.1X/LEAP authentication, the username is passed across the wireless medium in clear text.
From a security perspective, why is this significant?

  • A

    The username can be looked up in a dictionary file that lists common username/password combinations.

  • B

    The username is needed for Personal Access Credential (PAC) and X.509 certificate validation.

  • C

    4-Way Handshake nonces are based on the username in WPA and WPA2 authentication.

  • D

    The username is an input to the LEAP challenge/response hash that is exploited, so the username must be known to conduct authentication cracking.

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