Which authentication methods does FortiGate support?

FortiGate supports a variety of authentication methods, making option B the correct choice. Specifically, it enables RADIUS, TACACS+, LDAP, and local user authentication.

RADIUS (Remote Authentication Dial-In User Service) and TACACS+ (Terminal Access Controller Access-Control System Plus) are widely used protocols for remote user authentication, authorization, and accounting, particularly within network environments that require centralized management. LDAP (Lightweight Directory Access Protocol) is a protocol used to access and manage directory information—often utilized for authenticating users against a directory service such as Microsoft Active Directory. Additionally, local user authentication allows for the management of users directly on the FortiGate device itself, which is particularly useful in scenarios where external authentication systems are not applicable or available.

The other options present limitations that don't reflect the comprehensive capabilities of FortiGate. For instance, option A incorrectly states that only local user authentication is supported. Option C references social media logins, which is not a standard method for enterprise-grade authentication. Finally, option D's focus on single sign-on systems overlooks the diverse range of authentication methods that FortiGate can integrate with, which go beyond just single sign-on solutions.

Thus, the diversity in authentication options provided by FortiGate