RAID 1 mirrors data across two disks for redundancy.
RAID 0 uses striping with no redundancy.
RAID 5/6 use parity, not mirroring.
[Reference:CompTIA Linux+ XK0-005 Study Guide, Domain 1.5 – RAID and Storage, “RAID 1 provides redundancy by mirroring identical data across two or more disks.”, ]
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