题目内容

A file server is setup in a RAID 5 configuration.Recently there was a power failure in the serverroom while a user was transferring a document from one drive on the server to another drive onthe same server.Unfortunately their UPS was in repair during this outage， and the file is nowcorrupt.Which of the following can be done to prevent this situation in the future？（）

A. Increase the memory on the server.
B. Reconfigure drives to a RAID 0+1.
C. Install a battery backed write cache module in the system.
D. Instruct the user to save to the local system instead of to the server.

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