CompTIA Security+ Question C-69

Ann, a security administrator, wishes to replace their RADIUS authentication with a more secure protocol, which can utilize EAP. Which of the following would BEST fit her objective?

A. CHAP
B. SAML
C. Kerberos
D. Diameter

Answer: D

Explanation:
Diameter is an authentication, authorization, and accounting protocol that replaces the RADIUS protocol. Diameter Applications extend the base protocol by including new commands and/or attributes, such as those for use of the Extensible Authentication Protocol (EAP).