You need to ensure that you can manage the settings of the mobile devices and perform remote device wipes by using Configuration Manager

Your network contains a single Active Directory domain.
The functional level of the domain is Server 2003. The domain contains the following server:
Ten servers that run Windows Server 2003
Twenty servers that run Windows Server 2008
One server that has Microsoft Exchange Server 2007 installed
One server that has System Center 2012 Configuration Manager installed
Users have mobile devices that run Windows Mobile 6.5 and Windows Phone.
You need to ensure that you can manage the settings of the mobile devices and perform remote
device wipes by using Configuration Manager.
What should you do?

A.
Upgrade the Exchange server to Exchange Server 2010. Configure an Exchange connector.

B.
Change the functional level of the domain to windows 2008. Upgrade the Exchange server to
Exchange Server 2010.

C.
Upgrade all Windows 2003 domain controllers to Windows 2008.

D.
Upgrade all of the domain controllers to Windows 2008 R2. Configure an Exchange connector.

Explanation:
http://technet.microsoft.com/en-us/library/gg682077.aspx#BKMK_SupConfigMobileClientReq
Supported Configurations for Configuration Manager – Configuration Manager System Requirements
– Mobile
Device Requirements
The following sections describe the hardware and operating systems that are supported for
managing mobile devices in System Center 2012 Configuration Manager:
Windows Mobile 6.1
Windows Mobile 6.5
Nokia Symbian Belle
Windows Phone 8
Windows RT
iOS
Android
Windows CE 5.0 (Arm and x86 processors)
Windows CE 6.0 (Arm and x86 processors)
Windows CE 7.0 (Arm and x86 processors)
Windows CE 7.0 (Arm and x86 processors)
Mobile Device Support by Using the Exchange Server Connector
System Center 2012 Configuration Manager offers limited management for mobile devices when
you use the Exchange Server connector for Exchange Active Sync (EAS) capable devices that connect
to a server running Exchange Server or Exchange Online.
The following table lists the platforms that support the Exchange Server connector and which
versions of Configuration Manager support each platform:
Exchange Server 2010 SP1
Configuration Manager with no service pack

Configuration Manager with SP1
Exchange Server 2010 SP2
Configuration Manager with SP1
Exchange Server 2013
Configuration Manager with SP1
Exchange Online (Office 365)
Configuration Manager with no service pack
Configuration Manager with SP1
http://technet.microsoft.com/en-us/library/gg682022.aspx
Determine How to Manage Mobile Devices in Configuration Manager
Use the following information to help you decide how to manage mobile devices in System Center
2012
Configuration Manager. You can use Configuration Manager to enroll mobile devices and install the
Configuration Manager client, you can use the mobile device legacy client (for example, for Windows
CE mobile operating systems), and you can use the Exchange Server connector. In addition, in
Configuration
Manager SP1, you can enroll devices that run Windows Phone 8, Windows RT, and iOS by using the
Windows Intune connector.
..
Settings:
Enrollment by Windows Intune
Enrollment by Configuration Manager
Exchange Server connector
..
Remote wipe:
Enrollment by Windows Intune
Enrollment by Configuration Manager
Exchange Server connector