A corporate environment includes Exchange Server 2010 and Active Directory Domain Services (AD
DS). Client computers and the Exchange servers are joined to a single AD DS domain. When users
connect to Outlook Web App (OWA) from their client computers, they are prompted for their

credentials. You need to recommend a solution that allows users to connect to OWA from their
client computers without being prompted for credentials. What should you recommend?

A.
Basic authentication

B.
Digest authentication for Windows domain servers

C.
forms-based authentication

D.
integrated Windows authentication

Explanation: