You have an Exchange 2010 organization. Your company s security policy states that all connections to Outlook Web App (OWA) must use smart card authentication. You need to recommend a solution to meet the security policy requirements.

Which two possible ways to achieve this goal should you recommend? (Each correct answer presents a complete solution. Choose two.)

A.
Require certificate-based authentication for all Internet-facing Client Access servers.

B.
Require Windows Integrated Authentication for all Internet-facing Client Access servers.

C.
Deploy an Edge Transport server, and then disable Windows Integrated Authentication.

D.
Deploy a server that runs Microsoft Internet Security and Acceleration (ISA) Server, and then enable Kerberos constrained delegation.