medium10 pts · first answer countsrisk-managementbusiness-continuity

The 3-2-1 backup rule

What does the 3-2-1 backup rule recommend?

A.3 backups a day, 2 tested, 1 deletedB.3 servers, 2 data centres, 1 cloudC.3 admins, 2 passwords, 1 vaultD.3 copies, on 2 types of media, 1 off-site

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