3 ms·There are two kinds of backups: automatic and forgotten.by crest 3y agoThere are two kinds of backups: automatic and forgotten.philjohn 3y agoYou forgot: automatic, but never verified if they can be restored.giantg2 3y agoPerhaps the most common kind at some companies.sofixa 3y agoOr two other types - tested or non-existent.