CompTIA Security+ Question E-93

RADIUS provides which of the following?

A. Authentication, Authorization, Availability
B. Authentication, Authorization, Auditing
C. Authentication, Accounting, Auditing
D. Authentication, Authorization, Accounting

Answer: D

Explanation:
The Remote Authentication Dial In User Service (RADIUS) networking protocol offers centralized Authentication, Authorization, and Accounting (AAA) management for users who make use of a network service. It is for this reason that A, B, and C: are incorrect.

References: http://en.wikipedia.org/wiki/RADIUS