Answer:
The correct answer for the following question is authentication process stops.
Step-by-step explanation:
Authentication for the Telnet connection can be defined by the AAA method lists the AUTHEN. The AUTHEN lists define that first authentication methods is through the ACS servers by using a RADIUS protocols (or the RADIUS servers), and second authentication methods is use a local users database, and third methods is to use enable password. In the scenarios, however, the administrators fails to passes an authentication by first method, and the authentications processes stop and no the other authentications method are allowed.