Your network contains an Active Directory domain named contoso.com. All domain
controllers run Windows Server 2008 R2.
You have a server named Server1 that runs Windows Server 2008 R2 Service Pack 1
(SP1).
You plan to install the following Exchange Server 2010 SP1 server roles on Server1:
Mailbox
Client Access
Hub Transport
You need to prepare Served for the planned installation.
You import the Server Manager module for Windows PowerShell.
What should you do next?

A.
From Windows PowerShell, run add-windowsfeature net-framework,rsat,adlds.

B.
At the command prompt, run servermanagercmd and use the Exchange-Typical.xml
template.

C.
From Windows PowerShell, run add-windowsfeature net-framework. From the Exchange
Server 2010 installation program, select the Automatically install Windows Server roles and
features required for Exchange Server check box.

D.
At the command prompt, run servermanagercmd and use the Exchange-Base.xml
template.

E.
At the command prompt, run setup /pl. From the Exchange Server 2010 installation
program, select the Automatically install Windows Server roles and features required for
Exchange Server check box.

F.
From Windows PowerShell, run add-windowsfeature net-framework,rsat-adds,webserver,web-basicauth.

Explanation:

http://msmvps.com/blogs/andersonpatricio/archive/2010/07/07/installing-operating-systemroles-and-featuresautomatically-in-exchange-server-2010-sp1.aspx
http://technet.microsoft.com/en-us/library/bb691354.aspx (under the “Install the Windows
2008 R2 operatingsystem prerequisites” section)
http://msmvps.com/blogs/richardsiddaway/archive/2009/04/18/powershell-modules-andexchange-2010-prerequisites.aspx