What must the administrator specify on the controller to allow for 802.1X authentication to succeed?

An administrator implements a per-port tunneled node configuration for an Aruba Mobility Controller (MC) that runs ArubaOS 8.x. The controller performs both MAC and 802.1X authentication.

What must the administrator specify on the controller to allow for 802.1X authentication to succeed?
A . Define External RADIUS servers in the AAA profile.
B . Enable L2 Authentication Fail Through in the AAA profile.
C . Define MAC addresses in the local database for the 802.1X users.
D . Enable server roles in the AAA profile.

Answer: D

Explanation:

Reference: https://www.google.com/url? sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=2ahUKEwid8JC6w9beAhUKxYUKHVnfAsYQFjAAegQIC RAC&url=https%3A%2F%2Fcommunity.arubanetworks.com%2Faruba%2Fattachments%2Faruba% 2Fexpertday%2F214%2F1%2FArubaOS_6.2UG.pdf&usg=AOvVaw04RCEjkWwLB-cVeO4fKcn7 (194)