This CKA practice question tests your understanding of storage. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
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?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The PV's reclaim policy is 'Retain' and the PV must be manually recycled.
A PVC stuck in 'Pending' means it cannot find a suitable PV to bind to. The PV is in 'Released' status, which indicates it was previously bound to a PVC that has since been deleted. With a 'Retain' reclaim policy, the PV is not automatically recycled or made available for reuse; the administrator must manually delete and recreate the PV to clear its claimRef and make it available again. This manual intervention is required because the 'Retain' policy preserves the underlying storage and its data, leaving the PV in a 'Released' state that cannot be bound to a new PVC.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
The PV's reclaim policy is 'Retain' and the PV must be manually recycled.
Why this is correct
Retain policy keeps the PV in Released state; it must be manually deleted or re-claimed.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The PV has a faulty disk and needs replacement.
Why it's wrong here
No indication of hardware failure; status is Released, not Failed.
✗
The StorageClass has an incorrect provisioner.
Why it's wrong here
The PV already exists and is bound; the issue is post-binding.
✗
The PV is not bound to any PVC.
Why it's wrong here
The PV is bound but in Released status, meaning the claim was deleted.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume a 'Released' PV is automatically reusable or that the 'Pending' PVC is due to a provisioning or capacity issue, when in fact the 'Retain' policy requires manual cleanup of the claimRef to make the PV available for binding again.
Detailed technical explanation
How to think about this question
When a PVC is deleted, the PV's reclaim policy determines its fate: 'Delete' removes the PV and underlying storage, 'Recycle' (deprecated) scrubs and reuses it, and 'Retain' leaves the PV intact but in 'Released' state with its claimRef still pointing to the deleted PVC's UID. To reuse a 'Released' PV with 'Retain', you must manually edit the PV to remove the claimRef (e.g., `kubectl patch pv <pv-name> -p '{"spec":{"claimRef":null}}'`) or delete and recreate it, which clears the binding and allows it to become 'Available' again. This behavior is defined in the Kubernetes PersistentVolume lifecycle and is critical for data preservation scenarios where storage must be manually reattached after a PVC is removed.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the CKA exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CKA question in full detail.
Storage — This question tests Storage — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The PV's reclaim policy is 'Retain' and the PV must be manually recycled. — A PVC stuck in 'Pending' means it cannot find a suitable PV to bind to. The PV is in 'Released' status, which indicates it was previously bound to a PVC that has since been deleted. With a 'Retain' reclaim policy, the PV is not automatically recycled or made available for reuse; the administrator must manually delete and recreate the PV to clear its claimRef and make it available again. This manual intervention is required because the 'Retain' policy preserves the underlying storage and its data, leaving the PV in a 'Released' state that cannot be bound to a new PVC.
What should I do if I get this CKA question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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