An IT technician is tasked with setting up a backup solution for a small business with critical data. Which strategy most accurately follows the 3-2-1 backup rule?
Three copies of the data: two local on-site copies on different devices and one off-site copy.
Two copies of the data: one local on-site and one off-site.
Three copies of the data stored solely on different devices within the same location.
One copy of the data stored on-site and one copy stored off-site.