What is the primary function of the RADIUS protocol when it is implemented on a network?
Distributing IP addresses to client devices
Centralizing control over who can connect to and use network services
Load balancing traffic between servers
Facilitating the handshaking process in a TLS session
The correct answer is "Centralizing control over who can connect to and use network services" because RADIUS is designed to supply centralized authentication, authorization, and accounting (AAA) for users seeking access to network resources. "Facilitating the handshaking process in a TLS session" is incorrect because that task is handled by the TLS protocol during secure communications setup. "Distributing IP addresses to client devices" is a function of the Dynamic Host Configuration Protocol (DHCP), not RADIUS. "Load balancing traffic between servers" is handled by dedicated load-balancing solutions rather than by RADIUS.
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