What is the primary syslog file?（）

多项选择题Which two statements about login classes correctly define their usage within the JUNOS software?（）

A.A different login class must be configured for each user.
B.Individual commands can be explicitly allowed or denied.
C.A user must be assigned to one of the default login classes.
D.Each login class is associated with one or more permissions flags.

单项选择题How are the commands a user is allowed to enter defined in JUNOS?（）

A.Permissions are configured individually for each user.
B.Users are associated with user classes, and each class defines the permissions for entering commands.
C.There are four default classes with different permissions and you can only use these four.
D.Permissions are associated with each user ID

单项选择题You have been asked to configure a login class which will permit its users to view and edit the configuration. The class should only allow the configuration of the interfaces and firewall heirarchies. Which configuration correctly accomplishes this?（）

A.A
B.B
C.C
D.D

单项选择题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.

单项选择题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.