Looking at the configuration of the switch, what could be the possible issue?

Refer to the exhibit.

A customer has opened a case with Cisco TAC reporting an issue that one of the Windows client supposed to login to the network using MAB is no longer able to access any allowed resources.

Looking at the configuration of the switch, what could be the possible issue?
A . CoA configuration is missing
B . switch configuration is properly and the issue is on the radius server
C . incorrect CTS configuration on the switch
D . the VLAN configuration is missing on the authentication port
E . there is an issue with the DHCP pool configuration
F . aaa authentication is incorrectly configured

Answer: A

Explanation:

aaa server radius dynamic-authorization

host 161.1.7.14 server key cisco