Which of the following authentication methods meets the above description?

In the 802.1X authentication scenario, the access device directly encapsulates the EAPoL packet sent by the 802.1X client into a RADIUS packet, without processing the data in the EAP.

Which of the following authentication methods meets the above description?
A . EAP termination
B . MAC-based authentication
C . Interface-based authentication
D . EAP relay

Answer: D