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CompTIA Security+ · CompTIA
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AAA (Authentication, Authorization, Accounting) – ✅ RADIUS is specifically designed for Authentication, Authorization, and Accounting. It: Authenticates users when they log in Authorizes what resources they can access Accounts for user actions for auditing purposes
RADIUS (Remote Authentication Dial-In User Service) is a network access server protocol that provides Authentication, Authorization, and Accounting (AAA) services.
B. Remote Authentication Dial-In User Service protocol is used for AAA (Authentication, Authorization & Accounting)