Which action resolves the authentication problem?

Exhibit:

Which action resolves the authentication problem?
A . Configure the user name on the TACACS+ server
B . Configure the UDP port 1812 to be allowed on the TACACS+ server
C . Configure the TCP port 49 to be reachable by the router
D . Configure the same password between the TACACS+ server and router.

Answer: D

Explanation:

From the last line of the output, we notice that the result was “Invalid AUTHEN packet”.

Therefore something went wrong with the username or password.

Reference: https://www.cisco.com/c/en/us/support/docs/security-vpn/terminal-access-controller-access-control-system-tacacs-/200467-Troubleshoot-TACACS-Authentication-Issue.html