A technician needs to back up a small business's entire network that includes ten workstations. Which of the following methods should the technician use to safely and securely back up the business's network?

RAID (Redundant Array of Independent Disks) is primarily used for improving data redundancy and performance within a local storage solution. While it can protect against hardware failures, it does not provide an off-site backup solution, meaning data could still be lost in the event of fire, theft, or other disasters affecting the physical location.

Tape drives are an older technology for data backup that can be secure but are often less convenient for quick access and recovery of data. They require manual operation and are not as efficient for regular backups of multiple workstations compared to modern solutions like cloud storage.

Local backups involve storing data on external hard drives or network-attached storage devices. While they can provide fast access to data, they are vulnerable to the same risks as the workstations themselves, such as theft, damage, or hardware failures, which can lead to data loss.