Free Fortinet NSE6_FAC-6.4 Exam Actual Questions

The questions for NSE6_FAC-6.4 were last updated On Dec 19, 2025

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Question No. 1

What are three key features of FortiAuthenticator? (Choose three)

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Correct Answer: A, C, D

FortiAuthenticator is a user and identity management solution that provides strong authentication, wireless 802.1X authentication, certificate management, RADIUS AAA (authentication, authorization, and accounting), and Fortinet Single Sign-On (FSSO). It also offers portal services for guest management, self-service password reset, and device registration. It is not a log server or an RSSO server. Reference: https://docs.fortinet.com/document/fortiauthenticator/6.4/release-notes


Question No. 2

Which EAP method is known as the outer authentication method?

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Correct Answer: A

PEAP is known as the outer authentication method because it establishes a secure tunnel between the client and the server using TLS. The inner authentication method, such as EAP-GTC, EAP-TLS, or MSCHAPV2, is then used to authenticate the client within the tunnel.


Question No. 3

Which statement about the assignment of permissions for sponsor and administrator accounts is true?

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Correct Answer: D

Both sponsor and administrator account permissions are assigned using admin profiles. An admin profile is a set of permissions that defines what actions an administrator or a sponsor can perform on FortiAuthenticator. An admin profile can be assigned to an admin group or an individual admin user. A sponsor is a special type of admin user who can create and manage guest accounts on behalf of other users.


Question No. 4

An administrator is integrating FortiAuthenticator with an existing RADIUS server with the intent of eventually replacing the RADIUS server with FortiAuthenticator.

How can FortiAuthenticator help facilitate this process?

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Correct Answer: C

FortiAuthenticator can help facilitate the process of replacing an existing RADIUS server by enabling learning mode in the RADIUS server configuration.This allows FortiAuthenticator to learn user credentials from the existing RADIUS server and store them locally for future authentication requests2. This way, FortiAuthenticator can gradually take over the role of the RADIUS server without disrupting the user experience.


Question No. 5

What happens when a certificate is revoked? (Choose two)

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Correct Answer: B, C

When a certificate is revoked, it means that it is no longer valid and should not be trusted by any entity. Revoked certificates are automatically added to the certificate revocation list (CRL) which is published by the issuing CA and can be checked by other parties. If a CA certificate is revoked, all certificates signed by that CA are also revoked and added to the CRL. Revoked certificates can be reinstated if the reason for revocation is resolved, such as a compromised private key being recovered or a misissued certificate being corrected. External CAs do not query FortiAuthenticator for revoked certificates, but they can use protocols such as SCEP or OCSP to exchange certificate information with FortiAuthenticator. Reference: https://docs.fortinet.com/document/fortiauthenticator/6.4/administration-guide/372408/certificate-management