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？（）

A. Windows Deployment Services （WDS）
B. Windows Automated Installation Kit （Windows AIK） and folder redirection
C. the Multipath I/O feature and Volume Shadow Copies
D. the Windows Server Backup feature and System Image Recovery