Exam 200-355 topic 1 question 207 discussion

Actual exam question from Cisco's 200-355

Question #: 207
Topic #: 1

When the enterprise-based authentication method is used for WPA2, a bidirectional handshake exchange occurs between the client and the authenticator. Which five options are results of that exchange being used on a controller-based network? (Choose five.)

A. a bidirectional exchange of a nonce used for key generation
B. binding of a Pairwise Master Key at the client and the controller
C. creation of the Pairwise Transient Key
D. distribution of the Group Transient Key
E. distribution of the Pairwise Master key for caching at the access point
F. proof that each side is alive

Show Suggested Answer

Suggested Answer: ABCDF 🗳️
Regardless of whether WPA or WPA2 is used during the initial connection between the station and the AP, the two agree on common security requirements.

by xtrattitude4u at Aug. 12, 2019, midnight

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xtrattitude4u

5 years, 10 months ago

Here is a big clue for this question: The entire point of the process is so authentication can occur without exposing the pairwise master key. So distributing it would defeat the purpose of the handshake.

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xtrattitude4u

5 years, 10 months ago

Answer D has a typo. It is called the Group Temporal Key, not Group Transient Key.

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