HPE6-A85: HPE Network Campus Access Associate ExamDemo

By HP · Question Mode

QuestionQ3

Security

Which component of the WPA Key Hierarchy is used to encrypt and/or decrypt data?

  • A Key Confirmation Key (KCK)
  • B Pairwise Temporal Key (PTK)
  • C number used once (nonce)
  • D Pairwise Master Key (PMK)
Explanation

The Pairwise Temporal Key (PTK) provides the per-session keying material for protecting pairwise data traffic. The PMK is used to derive it, the nonce supplies derivation input, and the KCK is used for key-confirmation integrity rather than data encryption.

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