Which of the following forms of authentication are being used?

A company is currently using the following configuration:

* IAS server with certificate-based EAP-PEAP and MSCHAP

* Unencrypted authentication via PAP

A security administrator needs to configure a new wireless setup with the following configurations:

* PAP authentication method

* PEAP and EAP provide two-factor authentication

Which of the following forms of authentication are being used? (Select TWO).
A . PAP
B . PEAP
C . MSCHAP
D . PEAP-MSCHAP
E . EAP
F . EAP-PEAP