CWNP CWSP-208 Exam - Topic 1 Question 15 Discussion

Actual exam question for CWNP's CWSP-208 exam

Question #: 15
Topic #: 1

What statement is true regarding the nonces (ANonce and SNonce) used in the IEEE 802.11 4 Way Handshake?

ABoth nonces are used by the Supplicant and Authenticator in the derivation of a single PTK.

BThe Supplicant uses the SNonce to derive its unique PTK and the Authenticator uses the ANonce to derive its unique PTK, but the nonces are not shared.

CNonces are sent in EAPoL frames to indicate to the receiver that the sending station has installed and validated the encryption keys.

DThe nonces are created by combining the MAC addresses of the Supplicant, Authenticator, and Authentication Server into a mixing algorithm.

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Suggested Answer: A

by Gwenn at Apr 06, 2026, 05:18 AM

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1 month ago

I think both nonces are involved in deriving the PTK, but I'm not entirely sure if they create a single one or separate ones.

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