问题：
Your company has Windows Server 2008 R2 file servers.
You need to recommend a data recovery strategy that meets the following requirements：
èBackups must have a minimal impact on performance.
èAll data volumes on the file server must be backed up daily.
èIf a disk fails， the recovery strategy must allow individual files to be restored.
èUsers must be able to retrieve previous versions of files without the intervention of an administrator.
What should you recommend？（）
A . Deploy File Server Resource Manger （FSRM）. Use Windows Server Backup to perform a daily backup to an external disk.
B . Deploy Windows Automated Installation Kit （Windows AIK）. Enable shadow copies for the volumes that contain shared user data. Store the shadow copies on a separate physical disk.
C . Use Windows Server Backup to perform a daily backup to an external disk. Enable shadow copies for the volumes that contain shared user data. Store the shadow copies on a separate physical disk.
D . Use Windows Server Backup to perform a daily backup to a remote network share. Enable shadow copies for the volumes that contain shared user data. Store the shadow copies in the default location.
Your company has Windows Server 2008 R2 file servers.
You need to recommend a data recovery strategy that meets the following requirements：
èBackups must have a minimal impact on performance.
èAll data volumes on the file server must be backed up daily.
èIf a disk fails， the recovery strategy must allow individual files to be restored.
èUsers must be able to retrieve previous versions of files without the intervention of an administrator.
What should you recommend？（）
● 参考解析
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