What statement accurately describes the functionality of the IEEE 802.1X standard?

A.
Port-based access control with EAP encapsulation over the LAN (EAPoL)

B.
Port-based access control with dynamic encryption key management and distribution

C.
Port-based access control with support for authenticated-user VLANs only

D.
Port-based access control with mandatory support of AES-CCMP encryption

E.
Port-based access control, which allows three frame types to traverse the uncontrolled port: EAP, DHCP, and DNS.