What would be the possible cause of this failure?

Refer to the exhibit.

One of the Windows machines in your network is having connectivity issue by using 802.1X. Windows machines are setup to acquire an IP address from DHCP server configured on the switch, which is supposed to hand out IP address from 50.1.1.0/24 network, and forward AAA requests to the Radius server at 161.1.7.14 using shared key "cisco".

Knowing that interface Gi0/2 on the switch may receive authentication requests from other devices and looking at the provided switch configuration.

What would be the possible cause of this failure?
A . authentication for multiple hosts not configured on interface g0/2
B . an incorrect default route is pushed on supplicant from SW1
C . an incorrect ip address is configured for SVI 50
D . 802.1x is disabled on the switch
E . there is a radius key mismatch
F . 802.1x authentication is not enabled on interface g0/2
G . aaa network authorization is not configured

View Answer

Answer: D