What does the keyword default specify when used with the aaa authentication login command?

What does the keyword default specify when used with the aaa authentication login command?

• Authentication must be specifically set for all lines, otherwise access is denied and no authentication is performed.
• Authentication is automatically enabled for the vty lines utilizing the enable password.
• The local username/password database is accessed for authentication.
• Authentication is automatically applied to the con 0, aux, and vty lines.

Explanation: The default keyword applies AAA authentication to all console, aux, and vty lines. AAA authentication can be configured to use a AAA server or local usernames/passwords to authenticate users.

Exam with this question: CCNA Security Practice Final Exam Answers