多项选择题
A.Select L2TP/IPSec on each Windows Mobilebased device.
B.Obtain and install a certificate on each Windows Mobilebased device.
C.Configure the appropriate pre-shared key on each Windows Mobilebased device.
D.Select Point-to-Point Tunneling Protocol （PPTP） on each Windows Mobilebased device.
单项选择题 A user uses both a Microsoft Windows Mobile 5.0 Smartphonebased device and a Microsoft Windows Mobile 5.0 Pocket PC Phone Edition device for Over-The-Air （OTA） e-mail. Both devices have Microsoft Messaging and Security Feature Pack installed. A remote wipe command is issued against the Pocket PC device. The user reconfigures the ActiveSync settings on the Pocket PC device. When the user attempts synchronization， the device hard-resets again. You need to ensure that the user can synchronize the Pocket PC device. What should you do？（）
单项选择题 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. You provide a Microsoft Windows Mobile 5.0 smartphonebased device to a new user. The first time the user uses the device， the user is not prompted for a password. You need to ensure that the user is prompted for a password. What should you do？（）
单项选择题 You deploy a mobile messaging infrastructure with front-end and back-end Microsoft Exchange Server 2003 servers. Both servers have Service Pack 2 installed. Company security policy requires that all information from the Exchange Server 2003 servers must be encrypted. You need to audit the mobile messaging infrastructure to verify that it complies with company security policy. What should you do?（）