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QUESTION Go through with the following exhibit carefully Service password-encryption , aaa new-model aaa authentication login default line , aaa authentication login no login name aaa authentication login admin tacacs+ enable , aaa authentication ppp default tacacs+ enable secret 5 $1$WogB$7.0FLEFgB8Wp.C9eqNX9L/ , interface Group-Async ip unnumbered Loopback0 , ip tcp header-compression passive encapsulation ppp , async mode interactive Examine this configuration and find out which method is appropriate to authenticate through vty port. Which way is correct? A. no authentication required B. no access permitted C. default authentication used D. line password Correct Answer: D Explanation: You can create lists of authentication methods that are tried at login by enabling authentication for login with the help of aaa authentication login command and the following keywords, the lists are then used with the login authentication line configuration command. To enable configuration for login simply enter the following command: Switch#aaa authentication login {default | list-name} method1 [ [method3]]. You can provide any name appropriate for the list being created in place of list-name keyword. The method keyword refers to the actual method the authentication algorithm tries, in the sequence entered. There are three methods that you can actually enter which are: keyword Description line Uses the line password for authentication, local Uses the local user for authentication. . Tacacs+ Uses TACACS+ authentication. |
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