All servers in your environment run Windows Server 2003. You are designing security for remote access users. You plan to use Microsoft Point-to-Point Encryption (MPPE) with 128-bit encryption keys. You need to choose an authentication type that enables remote access users to connect to the network by using PPTP VPN connections.
What are two possible authentication types that achieve this goal? (Each correct answer presents a complete solution. Choose two.)
A.
Password Authentication Protocol (PAP)
B.
Challenge Handshake Authentication Protocol (CHAP)
C.
Microsoft Challenge Handshake Authentication Protocol (MS-CHAP)
D.
Extensible Authentication Protocol-Transport Layer Security (EAP-TLS)