Security+ and VPN Authentication Services

Are you planning to take the Security+ exam? If so, make sure you understand some basic VPN authentication services. As an example, see if you can answer this practice test question.

Q. Which of the following choices provide authentication services for remote users and devices? (Select TWO.)

A. Kerberos

B. RADIUS

C. Secure LDAP

D. Diameter

Check out the answer (and the full explanation here).