You have an Exchange Server 2010 organization. All users access their mailboxes by using Microsoft Office Outlook 2007, Outlook Anywhere, and Autodiscover.

You need to prevent users who have computers that are joined to the domain from being prompted for authentication when they use Outlook Anywhere. All other users must be prompted for authentication when they use Outlook Anywhere.

What should you do?

A.
Configure Outlook Anywhere to use Basic authentication. Enable Basic authentication and NTLM authentication on the RPC virtual directory.

B.
Configure Outlook Anywhere to use NTLM authentication. Enable Basic authentication and NTLM authentication on the RPC virtual directory.

C.
Configure Outlook Anywhere to use Basic authentication. Enable Basic authentication and NTLM authentication on the RpcWithCert virtual directory.

D.
Configure Outlook Anywhere to use NTLM authentication. Enable Basic authentication and NTLM authentication on the RpcWithCert virtual directory.