单项选择题 As an administrator at Cer-tech .com， you have installed a new server named MS12 that runs WindowsServer 2008. This server should be used for steaming media purposes. So you install Streaming MediaServices role on the server. Since all client machines have Windows Vista as their operating system andthey only use Windows Media Player 11 application， you configure a Publishing Point and assign source ofcontent that has video media. Users report that they are unable to pause and rewind the video usingWindows Media Player 11. What should you do to ensure that users have full playback control of the streaming media？（）

单项选择题 Cer-tech .com runs Terminal services on an Active Directory domain. As an administrator of Cer-tech .com， you configure the main office printer as the default printer on Terminal server. Cer-tech .com has astringent security policy which states that all the remote client computers must meet the followingrequirements： * The default printer on client computers must be the main office printer * Users must also be able to access their local printers during a terminal session To meet the companypolicy，you have to set a Group Policy Object by using the Terminal Services Printer Redirection template. What should you do to achieve this objective？（）

单项选择题 You are a systems administrator responsible for securing a Windows Server 2008 Web server. You havecreated a new Web site called Contoso Intranet that will contain seven Web applications. One of theapplication developers has told you that her Web application requires a new request handler that isprocessed using a .NET library her team created. How can you meet these requirements while also maximizing security for the server？（）