Which statement is correct about the Extensible Authentication Protocol (EAP)?

Which statement is correct about the Extensible Authentication Protocol (EAP)?

A.
EAP allows switches to communicate with the Junos Pulse Gateway.

B.
EAP can be used to communicate with firewalls to update user credentials.

C.
EAP allows endpoints to communicate with the Junos Pulse Gateway.

D.
EAP can only be used with switches and access points that have LDAP support.