Which of the following is a protocol that provides AAA for network services?

Comprehensive and Detailed Explanation From Exact Extract:

RADIUS (Remote Authentication Dial-In User Service)provides centralized Authentication, Authorization, and Accounting (AAA) for users who connect and use a network service.

FromQuentin Docter – CompTIA A+ Complete Study Guide:

“RADIUS is a widely used protocol for implementing AAA in network environments, allowing centralized control over user access and accounting.”