A network administrator is trying to access a branch router using TACACS+ username and password credentials, but the administrator cannot log in to the router because the WAN connectivity is down.
The branch router has following AAA configuration:
Which command will resolve this problem when WAN connectivity is down?
A. aaa authentication login default group tacacs+ local
B. aaa authentication login default group tacacs+ enable
C. aaa authentication login default group tacacs+ console
D. aaa authentication login console group tacacs+ enable
