You have several operating groups in your enterprise that require different access restrictions to the routers to perform their jobs roles. These groups range from Help Desk personnel to advanced troubleshooters.
What is one methodology for controlling access rights to the router in these situation?

A.
configure ACLs to control access for these different groups

B.
configure multiple privilege level access

C.
implement syslogging to monitor the activities of these groups

D.
configure TACACS+ to perform scalable authentication