Which network security framework is used to set up access control on Cisco Appliances?

A.
RADIUS

B.
AAA

C.
TACACS+

D.
NAS

Explanation:
AAA is a security framework that can be used to set up access control on Cisco routers, switches,
firewalls, and other network appliances. AAA provides the ability to control who is allowed to
access network devices and what services the user should be allowed to access. AAA services
are commonly used to control telnet or console access to network devices.
Reference: http://www.freeccnastudyguide.com/study-guides/ccna/ch8/aaa-security/