Traditional tape backup requiring a human being to swap tapes and perform periodic cleaning
Automated backup that runs on your servers according to a schedule and uploads your data to a secure location
E.g. external USB drives, NAS devices and similar
Typically full snapshots of your servers are uploaded to an offsite location where they can be restored onto a cloud platform within a number of hours
Replica of your current setup located outside of your office, with data replicated to it in real or near real time
A disused server with sufficient specification that is capable of replacing live server