Refer to the exhibit. Cisco Secure ACS 5.2 shows successful TACACS+ authentication and authorization for the user, but access to the Cisco WLC GUI fails. What is the reason for this failure? 

Answer options:

A. The user password is incorrect.
B. The authorization response does not include a Privilege-Level attribute.
C. The assigned role is incorrect.
D. The received TACACS+ packet is not encrypted.

C