You are an Enterprise administrator for contoso.com. The corporate network of the company consists of a single Active Directory domain. All the servers in the domain run Windows Server 2008 and all client computers run Windows Vista.
The network contains 20 file servers contains two volumes, one for operating system and the other for the data files. You have been assigned the task to plan a recovery strategy that ensures the server continuity in case of the server failures. The recovery strategy must ensure the operating system and the data files to be restored in the minimum amount of time.
Which of the following options would you choose to accomplish the desired goal? (Select two. Each correct answer will present a part of the solution.)

A.
Windows Automated Installation Kit (WAIK)

B.
Windows Deployment Services (WDS)

C.
Windows Recover Disk feature

D.
Windows Server Backup feature

E.
Volume Shadow Copies

F.
Folder redirection

G.
Windows Complete PC Restore

Explanation:

To plan a recovery strategy that ensures the server continuity in case of the server failures, you need to use the Windows Server Backup feature and Windows Complete PC Restore
Complete PC Backup and Restore is a comprehensive, image-based backup tool to help you out of a tight spot if you need to recover your entire system.While file restore is useful in cases of file loss and data corruption, Windows Complete PC Restore is most useful for disaster recovery when your PC malfunctions. Complete PC Backup and Restore is capable of restoring your entire PC environment, including the operating system, installed programs, user settings, and data files.
http://www.microsoft.com/singapore/windows/products/windowsvista/features/details/completepcbackup.mspx