Your network contains an Active Directory domain named contoso.com. All domain controllers run Windows Server 2008 R2. The network contains two Active Directory sites named Los Angeles and San Francisco. All traffic to and from the Internet is routed through Los Angeles. You have an Exchange Server 2010 Service Pack 1 (SP1) organization that contains three servers. The servers are configured as shown in the following table.

Server1 has Windows Integrated Authentication enabled for the default OWA virtual directory. You need to configure the Exchange environment to meet the following requirements.
* Ensure that users can access their mailbox from the Internet by using the light version of Outlook Web App.
* Prevent users from being prompted for a username and a password when they connect to Outlook Web App from a domain-joined client computer on the internal network.

What should you do? (Choose all that apply.)

A.
Create a new OWA virtual directory named OWA2 on Server1.

B.
From Internet Information Services (IIS) Manager on Server1, enable forms-based authentication for the default OWA virtual directory.

C.
From Internet Information Services (IIS) Manager on Server2, enable forms-based authentication for the default OWA virtual directory.

D.
From the Exchange Management Console (EMC), enable Windows Integrated Authentication for OWA2.

E.
From the Exchange Management Console (EMC), enable Windows Integrated Authentication for the default OWA virtual directory on Server2.

F.
From the Exchange Management Console (EMC) on Server1, enable forms-based authentication for the default OWA virtual directory on Server1.