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CWNP CWSP-207 Exam - Topic 3 Question 42 Discussion

Given: During 802.1X/LEAP authentication, the username is passed across the wireless medium in clear text.From a security perspective, why is this significant?
B) The username is an input to the LEAP challenge/response hash that is exploited, so the username must be known to conduct authentication cracking.
A) 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 can be looked up in a dictionary file that lists common username/password combinations.

CWNP CWSP-207 Exam - Topic 3 Question 42 Discussion

Actual exam question for CWNP's CWSP-207 exam
Question #: 42
Topic #: 3
[All CWSP-207 Questions]

Given: During 802.1X/LEAP authentication, the username is passed across the wireless medium in clear text.

From a security perspective, why is this significant?

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Suggested Answer: B

by Natalya at May 29, 2026, 05:50 AM

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Harrison
4 days ago
I vaguely recall something about dictionary attacks, so option D might be relevant since common usernames can be easily exploited.
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Lemuel
10 days ago
I think option B makes sense because if the username is known, it could help in cracking the authentication process, similar to what we practiced in our labs.
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Dalene
15 days ago
I remember that usernames being sent in clear text can lead to credential theft, but I'm not sure how it specifically relates to LEAP.
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