Refer to the exhibit.

Which option describes the behavior of this configuration?

A.
The switch initiates the authentication.

B.
The client initiates the authentication.

C.
The device performs subsequent IEEE 802.1X authentication if it passed MAB
authentication. If the device fails IEEE 802.1X, it will start MAB again.

D.
Devices that perform IEEE 802.1X should be in the MAC address database for
successful authentication.

E.
IEEE 802.1x devices must first authenticate via MAB to perform subsequent IEEE
802.1X authentication. If 802.1X fails, the device is assigned to the default guest VLAN.

Explanation:
http://www.cisco.com/c/en/us/products/collateral/ios-nx-ossoftware/identity-based-networking-service/application_note_c27-573287.html