You are working as a technician at AIOTestKing.com. Certkiller is hiring new staff and as staff are added, each staff member receives individually configured access to the network folders they need. As Certkiller has grown, the human resources department has become unable to keep up with the permission assignments to new employees. Which of the following could help the HR department to accomplish the assignment of the permissions to new employees?

A.
groups.

B.
subnets.

C.
trees.

D.
system folders.