Briefing Fortinet Knowledge

Which of the following statements is correct about how the FortiGate unit verifies username and pass

Which of the following statements is correct about how the FortiGate unit verifies username
and password during user authentication?

A.
An administrator can define a local account for which the password must be verified by
querying a remote server.

B.
If authentication fails with a local password, the FortiGate unit will query the
authentication server if the local user is configured with both a local password and an
authentication server.

C.
The FortiGate unit will only attempt to authenticate against Active Directory if Fortinet
Server Authentication Extensions are installed and configured.

D.
If a remote server is included in a user group, it will be checked before local accounts.

Explanation: