【单选题】You deploy a mobile messaging solution with Microsoft Exchange Server 2003 Service Pack 2. The company security policy requires complex passwords on all the Microsoft Windows Mobilebased devices. ...
A.
Instruct the user to set a PIN on the mobile device.
B.
Instruct the user to perform Microsoft Exchange ActiveSync synchronization Over-The-Air (OTA).
C.
On the Device Security Settings tab, select the Require both numbers and letters option.
D.
Add the user account of the user to the Exceptions list on the Device Security Settings tab.