問題文
Long after a station joined, two frames pass between the AP and every station in turn, and from then on broadcast traffic can no longer be decrypted with the old key. Which pairing states what happened and what it does not change?
選択肢
- Those two frames performed the sizing cycle that applies to all of them at once, and they left the multicast material that reconstruction of one member's own frames still uses.
- Those two frames performed the rekeying cycle that applies to all of them at once, and they left the pairwise material that reconstruction of one member's own frames still uses.
- Those two frames performed the rekeying cycle that applies to all of them at once, and they left the multicast material that reconstruction of one member's own frames still uses.
- Those two frames performed the sizing cycle that applies to all of them at once, and they left the pairwise material that reconstruction of one member's own frames still uses.