Which of the following is the BEST solution to reduce the risk of data loss?

A large bank with two geographically dispersed data centers is concerned about major power disruptions at both locations Every day each location expenences very brief outages that last for a few seconds However during the summer a high risk of intentional brownouts that last up to an hour exists particularly at one of the locations near an jndustnal smelter.

Which of the following is the BEST solution to reduce the risk of data loss?
A . Dual supply
B. Generator
C. PDU
D. Daily backups

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Answer: B