Which statement best describes Cisco Centralized Key Management?
A. It allows wireless clients to cache their credentials to prevent any reauthentication to the wireless infrastructure during a roaming event.
B. It allows the wireless infrastructure to cache the credentials to eliminate the need for a full reauthentication when roaming.
C. It allows controllers to send a directed roam request to a wireless client when a different AP can service the client better.
D. It allows the wireless client to cache information from surrounding APs to reduce scan time before roaming.
