单项选择题 You deploy a server that runs Microsoft Exchange Server 2003 Service Pack  2. You also deploy mobile devices that run Microsoft Windows Mobile 5.0 with the Microsoft Messaging and Security Feature Pack.   You need to ensure that the Windows Mobilebased devices are as secure as possible from brute force password attacks.   What should you do？（）

单项选择题 You deploy mobile devices that run Microsoft Windows Mobile 5.0.   A Windows Mobilebased device user forgets the PIN for the device.   You need to ensure that the user can unlock the device.   What should you do？（）

多项选择题 You deploy mobile devices that run Microsoft Windows Mobile 5.0 with Microsoft Messaging and Security Feature Pack. A server that runs Microsoft Exchange Server 2003 Service Pack 2 is configured by using the default installation settings.   Company security policy requires a complex password for unlocking the Windows Mobilebased devices.   You need to ensure that the Windows Mobilebased devices that perform Microsoft ActiveSync synchronization meet the company security policy.   Which two actions should you perform？（）