what is causing the 802.1X supplicant to fail?

— Exhibit —

user@switch>show dot1x interface ge-0/0/1 detail
ge-0/0/1.0
Role: Authenticator
Administrative state: Auto
Supplicant mode: Multiple
Number of retries: 3
Quiet perioD. 60 seconds
Transmit perioD. 30 seconds
Mac Radius: Enabled
Mac Radius Restrict: Enabled
Reauthentication: Disabled
Configured Reauthentication interval: 3600 seconds
Supplicant timeout: 30 seconds
Server timeout: 30 seconds
Maximum EAPOL requests: 2
Guest VLAN member:
Number of connected supplicants: 0
— Exhibit —

Refer to the Exhibit.
You are asked to troubleshoot an access control issue on your EX Series switch. The user

connecting through port ge-0/0/1 indicates that their 802.1X supplicant is failing authentication and
they are not able to connect to the network.
Referring to the exhibit, what is causing the 802.1X supplicant to fail?

A.
The supplicant mode is defined as multiple.

B.
The MAC restrict option is configured.

C.
The supplicant timeout value is set too low.

D.
The reauthentication interval is set too high.

Explanation: