Exam 210-260 Question id=612 Secure Access

If a router configuration includes the line aaa authentication login default group tacacs+ enable, which events will occur when the TACACS+ server returns an error?

A. The user will be prompted to authenticate using the enable password
B. Authentication attempts to the router will be denied
C. Authentication will use the router`s local database
D. Authentication attempts will be sent to the TACACS+ server

WARNING

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please write answer#A instead A, answer#B instead B...
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