You have a hosted Exchange organization. All servers in the organization have Exchange
Server 2010 Service Pack 1 (SP1) installed.
You need to prevent users from changing their password by using Outlook Web App (OWA).
What should you do?

A.
From the Exchange Management Console, modify the authentication settings of the ECP
virtual directory.

B.
From the Internet Information Services (IIS) Manager, modify the authentication settings
of the OWA virtual directory.

C.
From the Exchange Management Console, modify the segmentation settings of the OWA
virtual directory.

D.
From the Internet Information Services (IIS) Manager, modify the application settings of
the ECP virtual directory.