An Azure Files application needs recovery from accidental overwrites and zone failure. Which design combines appropriate mechanisms?

Choose the single best answer.

A.ZRS alone as a timeline of every overwritten version
B.Supported snapshots/backup for earlier good files plus supported ZRS for zone resilience
C.Blob archive as a drop-in SMB high-availability mechanism
D.File Sync alone because synchronized bad changes are independent backups

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✓ Correct answer

Supported snapshots/backup for earlier good files plus supported ZRS for zone resilience

History and fault-boundary resilience solve distinct incidents. ZRS and synchronization can copy bad current state; archive is offline object storage rather than equivalent SMB recovery. Source guide: PDF page 39.

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