AAA Servers

Question 1

Authentication, Authorization, Accounting

Answer 1

AAA Server

Question 2

Provides centralized administration of dial-up, VPN, and wireless
authentication services for 802.1x and the EAP

Answer 2

Remote Authentication Dial-In User Service (RADIUS)

Question 3

Proprietary version of RADIUS that can perform the role of an
authenticator in 802.1x networks

Answer 3

Terminal Access Controller Access-Control System Plus (TACACS+)

Question 4

Authentication protocol used by Windows to provide for two-way
(mutual) authentication using a system of tickets

Answer 4

Kerberos