单选题A router has been configured with the authentication order settings shown below: [edit] user@host# show system authentication-order authentication-order [radius tacplus password]; The router also has a local database that contains the user lab with password lab123. What would happen if both the RADIUS and the TACACS servers respond with a reject for user lab?（）AThe user lab will not be able to login.BThe user lab will be authenticated against the local database and will be able to login.CThe user will be able to login only if tries to login as the root user.DThe user lab will receive an error message indicating the username and password provided could not be found on the radius and tacacs servers.
单选题
A router has been configured with the authentication order settings shown below: [edit] user@host# show system authentication-order authentication-order [radius tacplus password]; The router also has a local database that contains the user lab with password lab123. What would happen if both the RADIUS and the TACACS servers respond with a reject for user lab?（）
A
The user lab will not be able to login.
B
The user lab will be authenticated against the local database and will be able to login.
C
The user will be able to login only if tries to login as the root user.
D
The user lab will receive an error message indicating the username and password provided could not be found on the radius and tacacs servers.
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A router has been configured with the settings shown below:[edit]user@host show system authentication-order authentication-order [ radius tacplus ];The router also has a local database that contains the user lab with password lab123. What would happen if both the RADIUS and the TACACS servers are not accessible?（）A.The user lab will not be able to login.B.The user lab will be authenticated against the local database and will be able to login.C.The user lab will receive an error message indicating the router is unable to authenticate due to the authentication servers not responding.D.The user will be able to login only if tries to login as the root user.
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