Which command creates a login authentication method named "login" that will primarily use RADIUS and fail over to the local user database?

Which command creates a login authentication method named "login" that will primarily use RADIUS and fail over to the local user database?
A . (config)# aaa authentication login default radius local
B . (config)# aaa authentication login login radius local
C . (config)# aaa authentication login default local radius
D . (config)# aaa authentication login radius local

View Answer

Answer: B

Explanation:

In the command "aaa authentication login login radius local" the second login is the name of the AAA method. It also lists radius first then local, so it will primarily use RADIUS for authentication and fail over to the local user database only if the RADIUS server is unreachable.