Which two of these statements best describe fast secure roaming for the wireless core feature set using autonomous access points？ （Choose two.） （）

A. It is compatible with all wireless clients.
B. It reduces roaming latency through reduced client RF channel scanning enhancements.
C. It reduces roaming latency to targeted times of less than 75ms.
D. Roaming occurs without reauthentication through a centralized RADIUS server.
E. It is enabled through WLSE deployment.