You have an Exchange Server 2010 server that contains a single mailbox database.All users run Microsoft Office Outlook and Outlook Web App.You discover that users cannot restore e-mail messages from the Recover Deleted Items folder.You need to ensure that users can restore e-mail messages from the Recover Deleted Items folder.What should you do？（） From the Exchange Management Console （EMC）， modify the properties of the mailbox database。 From the Exchange Management Console （EMC）， modify the properties of the Mailbox server object。 From the Exchange Management Shell， create a management role and then assign the role to all users。 From the Exchange Management Shell， create a retention policy and then assign the policy to all user。
试述生态危机的实质及其思想、实践根源。
试述青霉素抗菌作用机理、体内过程及临床应用。
You have a stand-alone computer that runs Windows 7. You open Windows Update as shown in the exhibit. (Click the Exhibit button.) You need to ensure that you can manually change the Windows Update settings on the computer. What should you do? （） Log on to Windows 7 as member of the Administrators group.。 From the local Group Policy， modify the Windows Update settings.。 Right-click Windows Update and select Run as administrator.。 Right-click the command prompt， select Run as administrator， and then run Wuapp.exe.。
公安机关对行政案件需要调查的案件事实包括（）。 违法行为是否存在。 违法嫌疑人有无法定不予处理的情形。 违法嫌疑人的基本情况。 实施违法行为的手段。
Your companys corporate network uses Network Access Protection （NAP）. Users are able to connect to the corporate network remotely. You need to ensure that data transmissions between remote client computers and the corporate network are as secure as possible.
What should you do（）？
