Why is user authentication being rejected?

Refer to the exhibit.

Why is user authentication being rejected?
A . The TACACS+ server expects “user”, but the NT client sends “domain/user”.
B . The TACACS+ server refuses the user because the user is set up for CHAP.
C . The TACACS+ server is down, and the user is in the local database.
D . The TACACS+ server is down, and the user is not in the local database.

View Answer

Answer: D

Explanation:

Reference: https://www.cisco.com/c/en/us/support/docs/security-vpn/terminal-access-controller-accesscontrol-system-tacacs-/13864-tacacs-pppdebug.html