Which NetApp feature ensures immutability of data at the volume level?

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Multiple Choice

Which NetApp feature ensures immutability of data at the volume level?

Explanation:
Immutability of data at the volume level is about preventing any writes or deletions to the protected data for a defined period. SnapLock provides this by applying a WORM-like retention policy directly to a volume, so once data is written, it cannot be altered or removed until the retention term expires. It offers two modes: time-lock retention for a fixed duration and compliance retention for indefinite, tamper‑evident protection. This makes it the best fit for enforcing strict immutability at the volume level. Other features serve different purposes: a Snapshot is a point-in-time image that can be deleted or overwritten, FlexClone creates writable clones, and SnapMirror handles data replication, none of which enforce volume‑level immutability.

Immutability of data at the volume level is about preventing any writes or deletions to the protected data for a defined period. SnapLock provides this by applying a WORM-like retention policy directly to a volume, so once data is written, it cannot be altered or removed until the retention term expires. It offers two modes: time-lock retention for a fixed duration and compliance retention for indefinite, tamper‑evident protection. This makes it the best fit for enforcing strict immutability at the volume level. Other features serve different purposes: a Snapshot is a point-in-time image that can be deleted or overwritten, FlexClone creates writable clones, and SnapMirror handles data replication, none of which enforce volume‑level immutability.

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