Which two of the following statements regarding task-based authorization are true? (Choose two.)

A.
The user group concept in Cisco IOS XR Software relates to a group of users with common
characteristics.

B.
All of the user groups are precreated by default.

C.
In addition to the predefined task groups, Cisco IOS XR Software provides the ability to custom
create task groups consisting of individual tasks.

D.
User groups and task groups cannot inherit from other user groups and task groups.