单项选择题 Your company has several branch offices. Your network consists of a single Active Directory domain.   Each branch office contains domain controllers and member servers. The domain controllers run  Windows Server 2003 SP2. The member servers run Windows Server 2008 R2.  Physical security of the servers at the branch offices is a concern.   You plan to implement Windows BitLocker Drive Encryption （BitLocker） on the member servers.  You need to ensure that you can access the BitLocker volume if the BitLocker keys are corruptedon the member servers. The recovery information must be stored in a central location. What should you do？（）

单项选择题 Your network consists of a single Active Directory forest. The forest contains one Active Directory domain. The domain contains eight domain controllers. The domain controllers run Windows Server 2003 Service Pack 2.   You upgrade one of the domain controllers to Windows Server 2008 R2.   You need to recommend an Active Directory recovery strategy that supports the recovery of deletedobjects. The solution must allow deleted objects to be recovered for up to one year after the date of  deletion. What should you recommend？（）

单项选择题 Your network consists of a single Active Directory domain. The network contains 20 file servers that run Windows Server 2008 R2. Each file server contains two volumes. One volume contains the operating system. The other volume contains all data files.    You need to plan a recovery strategy that meets the following requirements： èAllows the operating system to be restored èAllows the data files to be restored èEnsures business continuity   èMinimizes the amount of time to restore the server What should you include in your plan？（）