Which description of cisco centralized key management is true?
A. By caching their credentials, it helps client save scanning time when looking for a new AP to join
B. It allows the wireless infrastructure to cache the vredentials, which eliminates the need to conduct a full reauthentication when roaming
C. It allows wireless clients to cache their credentials so that, while they are roaming, they don’t need to reauthentiacte to the wireless to the wireless infrastructure
D. It enables the controller to send directed roam request to client in situations when the controller can better service the client on a different AP than the one to which the client is associated