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HP0-Y44 · Question #12
HP0-Y44 Question #12: Real Exam Question with Answer & Explanation
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Question
How does opportunistic key caching speed up the roaming process?
Options
- AWhen SNR of a station begins to drop, it pre-authenticates with neighboring APs, which cache the pair wise master key of the station for a user-defined amount.
- BWhen a station authenticates, the AP sends encryption keys to the controller, which distributes them to all APs in the mobility domain.
- CWhen a station decides to roam, it notifies its AP, which then distributes the pair wise master key of the stations to APs in its mobility domain.
- DAfter a station authenticates with an AP, it pre-authenticates with neighboring APs, which cache the pair wise master key in case the station later roams.
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