You have an Exchange organization. All servers in the organization have Exchange Server
2010 Service Pack 1 (SP1) installed.
All users access their mailboxes by using Microsoft Office Outlook 2007, Outlook Anywhere,
and Autodiscover.
You need to prevent users who have client 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 only Basic
authentication on the RPC virtual directory.

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

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

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