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CKA study material · question 342 of 1000

Why does a VolumeSnapshotClass exist separately from a StorageClass?

  1. StorageClasses are namespaced and snapshots are not
  2. StorageClasses cannot name a CSI driver
  3. Snapshots are taken by the kubelet, not the provisioner
  4. Snapshot attributes can differ between snapshots of the same volume
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Answer: D. Snapshot attributes can differ between snapshots of the same volume

Attributes may differ among snapshots of one volume, which a PVC's StorageClass cannot express.

Source: Volume Snapshots (Kubernetes) — Introduction

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