You are testing the planned implementation of Exchange Server 2013.
After you begin moving several mailboxes to Exchange Server 2013, you discover that users on the internal network that have been moved are prompted repeatedly for their credentials when they run Microsoft Outlook.
You run the Get-OutlookAnywhere cmdlet on CH-EX4, and receive the following output:

You need to prevent the internal users from being prompted for their credentials when they connect to their mailbox by using Outlook.
Which property should you modify by using the Set-OutlookAnywhere cmdlet?
Correct Answer: A
Explanation/Reference:
Explanation:
The IISAuthenticationMethods parameter specifies the authentication method enabled on the /rpc virtual directory in Internet Information Services (IIS).
You can set the virtual directory to allow Basic authentication or NTLM authentication.
Alternatively, you can also set the virtual directory to allow both Basic and NTLM authentication. All other authentication methods are disabled.
You may want to enable both Basic and NTLM authentication if you're using the IIS virtual directory with multiple applications that require different authentication methods.