A new server farm is being set up somewhere in California, and there's a higher base business plan to migrate to. However, there will be a year's period of time where both server farms are in use, and the sensitivity of our data is a concern. Which of the following technologies could alleviate our concern?

A) Load balancing
B) High availability clustering
C) RAID (Redundant Array of Independent Disks)
D) Data deduplication