Which statement is correct regarding the aaa configurations based on the exhibit provided？（）
- AThe authentication method list used by the vty port is named test.
- BIf the TACACS+ AAA server is not available， no users will be able to establish a Telnet session with the router.
- CIf the TACACS+ AAA server is not available， console access to the router can be authenticated using the local database.
- DThe authentication method list used by the console port is named test.