Given the Configuration Shown Below: Set System Authentication-Order [ Tacplus

Given the configuration shown below: set system authentication-order [ tacplus ] Which two statements are correct? (Choose two.)

A) If the TACACS+ server is not available, the local user database is checked.
B) If the TACACS+ server is available and rejects the username/password provided, the user is not allowed to access the device.
C) If the TACACS+ server is not available, the user is not allowed to access the device.
D) If the TACACS+ server is available and rejects the username/password provided, the local password database is checked.