After a major blackout, the server which was on, lost all its data. What should the operator have done to prevent the data lost?

A.
The operator should have contact the electric company for in formation about the power cuts.

B.
The operator should have implemented an Uninterruptible Power Supply (UPS) to the server.

C.
The operator should have backup of the data on the server.

D.
None of the above.

Explanation:
This UPS is simply a battery backup system that will keep the system running, and permit the system to shut down normally in case of a power failure. Its only purpose is to prevent data loss in the event of a major power failure.
References:

Charles J. Brooks, Server+ Certification Exam Cram 2 (Exam SK0-002), QUE Publishing, Indianapolis, 2006, pp. 227-240.