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.