Which two statement about the RADIUS service on FortiAuthenticator are true? (Choose two)

Which two statement about the RADIUS service on FortiAuthenticator are true? (Choose two)
A . Two-factor authentication cannot be enforced when using RADIUS authentication
B . RADIUS users can migrated to LDAP users
C . Only local users can be authenticated through RADIUS
D . FortiAuthenticator answers only to RADIUS client that are registered with FortiAuthenticator

Answer: B,D