"What you do to back up your computers depends on the value of your data and how far you're willing to go. You can hold users responsible for their own backups. Alternatively, you can create and store backups on floppy disks, CDs, tape drives, and so on. You can back up part or all of the data, even in real time...
"You can configure a Redundant Array of Independent or Inexpensive Disks (RAID) to help you protect your data in real time. You can store important data on portable, writable media such as floppy disks and writable CDs. You can create and store backup data on remote computers on your network. You can even store the computers or portable media in remote physical locations..."
