You deploy a Microsoft Windows Mobile 5.0 for Smartphonebased mobile messaging solution that has two-tier authentication with Microsoft Exchange Server 2003 Service Pack 2.  
	Company security policy requires that only company-approved applications are allowed to run on Windows Mobile 5.0 for Smartphonebased devices.  
	You need to ensure that third-party applications are prevented from running.  
	Which two actions should you perform?()
	A.A
	B.B
	C.C
	D.D
 
                            