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Storage practice questions

Practise Certified Kubernetes Administrator CKA Storage practice questions — original exam-style scenarios with answer choices, explanations, and analysis of common mistakes.

Courseiva uses original exam-style practice questions designed for learning and revision. The goal is to understand the concepts, recognise exam patterns, and improve through explanations — not memorise copied exam dumps.

Reviewed byJohnson Ajibi· MSc IT Security
20 questionsDomain: Storage
Practice 10 questionsBrowse domain →

What the exam tests

What to know about Storage

Storage questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

Watch out for

Common Storage exam traps

  • ▸Answering from memory before reading the full scenario.
  • ▸Missing a constraint such as cost, availability, security, scope or command context.
  • ▸Choosing a broad answer when the question asks for the most specific fix.
  • ▸Ignoring why the wrong options are tempting.

Practice set

Storage questions

20 questions · select your answer, then reveal the explanation

Question 1mediummultiple choice
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A DevOps team needs to provide persistent storage to a set of pods that all require read-write access to the same data simultaneously. Which volume type should they use?

Question 2hardmultiple choice
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A company is migrating a stateful application to Kubernetes. The application requires persistent storage that is 'zone-aware' to survive a single zone failure and must provide the highest possible I/O performance. Which storage solution best meets these requirements?

Question 3easymultiple choice
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A pod is unable to start because the PersistentVolumeClaim it references is still in 'Pending' state. What is the most likely cause?

Question 4hardmultiple choice
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A cluster administrator needs to provide storage to a pod that must read and write files, but the data does not need to persist beyond the pod's lifecycle. Which volume type should be used?

Question 5mediummultiple choice
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A team is designing a storage solution for a Cassandra cluster on Kubernetes. Each pod must have its own dedicated storage, and the cluster must be able to scale up and down dynamically. Which Kubernetes resource should be used to manage the storage?

Question 6easymulti select
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Which TWO statements about PersistentVolume (PV) and PersistentVolumeClaim (PVC) binding are correct?

Question 7mediummulti select
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Which THREE of the following are valid ways to provide storage to a pod in Kubernetes?

Question 8hardmultiple choice
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You are a cluster administrator for a multi-tenant Kubernetes cluster. Each tenant runs a set of microservices in their own namespace. The cluster uses a custom CSI driver that provisions storage on a NetApp storage array. Recently, several tenants reported that their pods are stuck in Pending state with events indicating 'failed to provision volume' and 'timeout waiting for a volume to be created'. Upon investigation, you notice that the CSI controller pod is running but has high memory usage, and logs show 'context deadline exceeded' errors when calling the storage array API. The storage array is healthy and responsive to manual API calls from your workstation. Meanwhile, PVCs created in a test namespace with the same StorageClass succeed. What is the most likely cause and the best course of action?

Question 9easymultiple choice
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A team is deploying a stateful application that requires persistent storage. The application runs on multiple pods that need to share the same volume. Which volume type should be used?

Question 10mediummultiple choice
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An administrator notices that a pod using a PersistentVolumeClaim is stuck in 'Pending' state. The PVC is bound to a PV with the status 'Released'. What is the most likely cause?

Question 11hardmultiple choice
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A cluster uses a CSI driver for dynamic provisioning. An administrator creates a StorageClass with 'volumeBindingMode: WaitForFirstConsumer' and a PVC. The pod using the PVC is scheduled to a node. However, the PV is never provisioned. What is the most likely cause?

Question 12easymultiple choice
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A developer wants to mount a ConfigMap as a volume in a pod. However, the pod should only see specific keys from the ConfigMap, not all keys. What is the best approach?

Question 13mediummulti select
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Which TWO statements about PersistentVolume (PV) reclaim policies are correct?

Question 14hardmulti select
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Which THREE statements about CSI (Container Storage Interface) are correct?

Question 15hardmultiple choice
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You are managing a Kubernetes cluster with 3 worker nodes (node1, node2, node3). A stateful application named 'app-db' uses a StatefulSet with 3 replicas, each requiring a PersistentVolumeClaim (PVC) of 10Gi with access mode ReadWriteOnce. The cluster uses a StorageClass 'fast-ssd' with a CSI driver that provisions volumes on a shared SAN. The StorageClass has reclaim policy 'Delete' and volumeBindingMode 'WaitForFirstConsumer'.

Recently, node1 failed and is unrecoverable. The pod running on node1 (app-db-0) is in 'Pending' state because its PVC is still bound to a PV that exists only on node1's local storage (the CSI driver incorrectly pinned the volume to node1). The other two pods (app-db-1 and app-db-2) are running fine. The application is critical and must be restored as soon as possible. You cannot recover node1.

What is the best course of action to get app-db-0 running again?

Question 16mediummultiple choice
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A DevOps team needs to deploy a stateful application that requires persistent storage with ReadWriteMany access mode across multiple pods running on different nodes. Which Kubernetes resource should they use to provision the storage?

Question 17easymultiple choice
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A pod is configured to use a PersistentVolumeClaim (PVC). The PVC is bound to a PersistentVolume (PV) that uses a cloud disk. The pod fails to start with the error 'MountVolume.SetUp failed for volume ... mount failed: exit status 32'. What is the most likely cause?

Question 18hardmultiple choice
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A team wants to ensure that a pod using a PersistentVolumeClaim (PVC) is scheduled only on nodes that have the underlying storage volume available locally. Which approach should they use?

Question 19mediummulti select
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Which TWO statements about PersistentVolume (PV) reclaim policies are correct?

Question 20hardmultiple choice
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Refer to the exhibit. A pod is defined with an emptyDir volume using memory medium. The pod is scheduled on a node with 4 GB of RAM. The container writes 3 GB of data to /cache. What will happen?

Exhibit

apiVersion: v1
kind: Pod
metadata:
  name: test-pod
spec:
  containers:
  - name: test
    image: busybox
    command: ["sleep", "3600"]
    volumeMounts:
    - name: cache
      mountPath: /cache
  volumes:
  - name: cache
    emptyDir:
      medium: Memory
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Focused Storage sessions

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Every question in these sessions is drawn from the Storage domain — nothing else.

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Browse all Storage questions →Mixed CKA session

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Frequently asked questions

What does the CKA exam test about Storage?
Storage questions test whether you can apply the concept in context, not just recognise a definition.
How should I use these practice questions?
Select your answer before revealing the explanation. Then read why each option is right or wrong — this active recall approach builds retention far faster than re-reading notes.
Can I practise just Storage questions in a focused session?
Yes — the session launcher on this page draws every question from the Storage domain. Use a 10-question session first to gauge your baseline, then move to 20 or 30 once the weak spots are clear.
Where can I practise other CKA topics?
Use the topic links above to move to related areas, or go back to the CKA question bank to see all topics.
Are these real exam questions or dumps?
These are original practice questions written to test the same concepts the CKA exam covers. They are not copied from any real exam or dump site.