Which of the following statements is specifically TRUE of user groups?

Which of the following statements is specifically TRUE of user groups?

A.
Non-authentication rules require a user group in the Source field.

B.
Authentication rules require a user group in the Source field.

C.
User groups must be created, in order to implement authentication.

D.
Authentication rules require a user group in both the Source and Destination field.

E.
User groups cannot be used in authentication rules.