Which statement is cor

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.