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What purpose does the encrypted MIC play in protecting …

Given:
When the CCMP cipher suite is used for protection of data frames, 16 bytes of overhead are added to the

Layer 2 frame. 8 of these bytes comprise the MIC.
What purpose does the encrypted MIC play in protecting the data frame?

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A.
The MIC is used as a first layer of validation to ensure that the wireless receiver does not incorrectly process corrupted signals.

B.
The MIC provides for a cryptographic integrity check against the data payload to ensure that it matches the original transmitted data.

C.
The MIC is a hash computation performed by the receiver against the MAC header to detect replay attacks prior to processing the encrypted payload.

D.
The MIC is a random value generated during the 4-way handshake and is used for key mixing to enhance the strength of the derived PTK.


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