Role-based access control (RBAC) allows a WLAN administrator to perform that network function?

A.
Allows access to specific files and applications based on the user’s WMM AC.

B.
Provide admission control to VoWiFi clients on selected access points.

C.
Allows one user group to access an internet gateway while denying internet access gateway to another group

D.
Provide differing levels of management access to a WLAN controller based on the user account.

E.
Allow simultaneous support of multiple EAP types on a single Access point.

Explanation:
http://dnscoinc.com/bradfordidentity.pdf