Kubernetes · Storage interview questions

54 real Kubernetes · Storage questions from the DevOps & SRE bank, as asked in Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd — free to start.

1. What is PersistentVolume?

Junior
  1. A.a PV property like ReadWriteOnce or ReadWriteMany defining how nodes can mount it
  2. B.a point-in-time copy of a persistent volume managed via the snapshot API
  3. C.a template describing a class of storage and its dynamic provisioner
  4. D.a cluster storage resource provisioned by an admin or dynamically, independent of any pod
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3. Which statement is correct?

Junior
  1. A.PersistentVolume — a cluster storage resource provisioned by an admin or dynamically, independent of any pod
  2. B.PersistentVolume — the pod spec field mapping a volume into a container's filesystem path
  3. C.PersistentVolume — a StatefulSet field that creates a unique PVC per replica for stable storage
  4. D.PersistentVolume — a volume that mounts ConfigMap data as files into a pod
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4. What is PersistentVolumeClaim?

Junior
  1. A.a StatefulSet field that creates a unique PVC per replica for stable storage
  2. B.the pod spec field mapping a volume into a container's filesystem path
  3. C.automatic creation of a PersistentVolume when a claim references a StorageClass
  4. D.a user request for storage that binds to a matching PersistentVolume
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6. Which statement is correct?

Junior
  1. A.PersistentVolumeClaim — a cluster storage resource provisioned by an admin or dynamically, independent of any pod
  2. B.PersistentVolumeClaim — a user request for storage that binds to a matching PersistentVolume
  3. C.PersistentVolumeClaim — automatic creation of a PersistentVolume when a claim references a StorageClass
  4. D.PersistentVolumeClaim — a template describing a class of storage and its dynamic provisioner
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7. What is StorageClass?

Junior
  1. A.a volume that mounts ConfigMap data as files into a pod
  2. B.a template describing a class of storage and its dynamic provisioner
  3. C.a user request for storage that binds to a matching PersistentVolume
  4. D.a plugin implementing the Container Storage Interface to integrate external storage systems
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9. Which statement is correct?

Junior
  1. A.StorageClass — a PV property like ReadWriteOnce or ReadWriteMany defining how nodes can mount it
  2. B.StorageClass — a volume that mounts ConfigMap data as files into a pod
  3. C.StorageClass — what happens to a PV after its claim is deleted, such as Retain or Delete
  4. D.StorageClass — a template describing a class of storage and its dynamic provisioner
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10. What is emptyDir?

Junior
  1. A.an ephemeral volume created with a pod and deleted when the pod is removed
  2. B.a cluster storage resource provisioned by an admin or dynamically, independent of any pod
  3. C.automatic creation of a PersistentVolume when a claim references a StorageClass
  4. D.a plugin implementing the Container Storage Interface to integrate external storage systems
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12. Which statement is correct?

Junior
  1. A.emptyDir — a user request for storage that binds to a matching PersistentVolume
  2. B.emptyDir — what happens to a PV after its claim is deleted, such as Retain or Delete
  3. C.emptyDir — an ephemeral volume created with a pod and deleted when the pod is removed
  4. D.emptyDir — automatic creation of a PersistentVolume when a claim references a StorageClass
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13. What is ConfigMap volume?

Junior
  1. A.what happens to a PV after its claim is deleted, such as Retain or Delete
  2. B.a StatefulSet field that creates a unique PVC per replica for stable storage
  3. C.a template describing a class of storage and its dynamic provisioner
  4. D.a volume that mounts ConfigMap data as files into a pod
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15. Which statement is correct?

Junior
  1. A.ConfigMap volume — what happens to a PV after its claim is deleted, such as Retain or Delete
  2. B.ConfigMap volume — a volume that mounts ConfigMap data as files into a pod
  3. C.ConfigMap volume — a PV property like ReadWriteOnce or ReadWriteMany defining how nodes can mount it
  4. D.ConfigMap volume — a StatefulSet field that creates a unique PVC per replica for stable storage
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16. What is Access mode?

Mid
  1. A.a user request for storage that binds to a matching PersistentVolume
  2. B.a plugin implementing the Container Storage Interface to integrate external storage systems
  3. C.an ephemeral volume created with a pod and deleted when the pod is removed
  4. D.a PV property like ReadWriteOnce or ReadWriteMany defining how nodes can mount it
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18. Which statement is correct?

Mid
  1. A.Access mode — a point-in-time copy of a persistent volume managed via the snapshot API
  2. B.Access mode — what happens to a PV after its claim is deleted, such as Retain or Delete
  3. C.Access mode — a PV property like ReadWriteOnce or ReadWriteMany defining how nodes can mount it
  4. D.Access mode — the pod spec field mapping a volume into a container's filesystem path
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19. What is Dynamic provisioning?

Mid
  1. A.automatic creation of a PersistentVolume when a claim references a StorageClass
  2. B.what happens to a PV after its claim is deleted, such as Retain or Delete
  3. C.a StatefulSet field that creates a unique PVC per replica for stable storage
  4. D.the pod spec field mapping a volume into a container's filesystem path
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21. Which statement is correct?

Mid
  1. A.Dynamic provisioning — a template describing a class of storage and its dynamic provisioner
  2. B.Dynamic provisioning — a volume that mounts ConfigMap data as files into a pod
  3. C.Dynamic provisioning — a StatefulSet field that creates a unique PVC per replica for stable storage
  4. D.Dynamic provisioning — automatic creation of a PersistentVolume when a claim references a StorageClass
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22. What is Reclaim policy?

Mid
  1. A.a cluster storage resource provisioned by an admin or dynamically, independent of any pod
  2. B.what happens to a PV after its claim is deleted, such as Retain or Delete
  3. C.a PV property like ReadWriteOnce or ReadWriteMany defining how nodes can mount it
  4. D.a plugin implementing the Container Storage Interface to integrate external storage systems
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24. Which statement is correct?

Mid
  1. A.Reclaim policy — what happens to a PV after its claim is deleted, such as Retain or Delete
  2. B.Reclaim policy — a template describing a class of storage and its dynamic provisioner
  3. C.Reclaim policy — a plugin implementing the Container Storage Interface to integrate external storage systems
  4. D.Reclaim policy — a StatefulSet field that creates a unique PVC per replica for stable storage
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25. What is volumeMounts?

Mid
  1. A.what happens to a PV after its claim is deleted, such as Retain or Delete
  2. B.the pod spec field mapping a volume into a container's filesystem path
  3. C.a PV property like ReadWriteOnce or ReadWriteMany defining how nodes can mount it
  4. D.a point-in-time copy of a persistent volume managed via the snapshot API
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27. Which statement is correct?

Mid
  1. A.volumeMounts — the pod spec field mapping a volume into a container's filesystem path
  2. B.volumeMounts — a user request for storage that binds to a matching PersistentVolume
  3. C.volumeMounts — a cluster storage resource provisioned by an admin or dynamically, independent of any pod
  4. D.volumeMounts — a point-in-time copy of a persistent volume managed via the snapshot API
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28. What is CSI driver?

Senior
  1. A.a volume that mounts ConfigMap data as files into a pod
  2. B.the pod spec field mapping a volume into a container's filesystem path
  3. C.what happens to a PV after its claim is deleted, such as Retain or Delete
  4. D.a plugin implementing the Container Storage Interface to integrate external storage systems
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30. Which statement is correct?

Senior
  1. A.CSI driver — a template describing a class of storage and its dynamic provisioner
  2. B.CSI driver — a plugin implementing the Container Storage Interface to integrate external storage systems
  3. C.CSI driver — a point-in-time copy of a persistent volume managed via the snapshot API
  4. D.CSI driver — a PV property like ReadWriteOnce or ReadWriteMany defining how nodes can mount it
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