CompTIA Security+ (SY0-501) — Question 146

Which of the following allows an application to securely authenticate a user by receiving credentials from a web domain?

Answer options

• A. TACACS+
• B. RADIUS
• C. Kerberos
• D. SAML

Correct answer: D

Explanation

The correct answer is D: SAML, which is specifically designed for single sign-on and securely exchanges authentication and authorization data between parties. TACACS+, RADIUS, and Kerberos are also authentication protocols, but they do not primarily focus on web domain interactions like SAML does.