- A
PV2 will bind because it has sufficient capacity.
Why wrong: PV2's AccessMode (ReadOnlyMany) does not match the PVC's ReadWriteOnce.
- B
Neither PV will bind; the PVC will remain pending.
No PV satisfies both capacity and access mode requirements.
- C
PV1 will bind because it has matching AccessModes.
Why wrong: PV1 has insufficient capacity (3Gi < 5Gi).
- D
Both PVs will bind to satisfy the request.
Why wrong: A PVC binds to a single PV, not multiple.
Question 793 of 997
PersistentVolumeClaim Binding: Capacity, Access Modes, and StorageClass
This KCNA practice question tests your understanding of kubernetes fundamentals. 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.
A user creates a Pod with a PersistentVolumeClaim (PVC) that requests 5Gi of storage. The cluster has two PersistentVolumes (PVs): PV1 (3Gi, AccessModes: ReadWriteOnce) and PV2 (10Gi, AccessModes: ReadOnlyMany). The PVC specifies storageClassName: "" and AccessModes: ReadWriteOnce. Which PV will bind to the PVC?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Neither PV will bind; the PVC will remain pending.
The PVC specifies storageClassName: "", which means it requires a PV with the same empty storage class (i.e., a statically provisioned PV without a StorageClass). PV1 has 3Gi capacity, which is less than the requested 5Gi, so it fails capacity matching. PV2 has ReadOnlyMany access mode, which does not match the PVC's ReadWriteOnce. Since neither PV satisfies all binding criteria (capacity, access modes, and storage class), the PVC remains Pending.
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.
- ✗
PV2 will bind because it has sufficient capacity.
Why it's wrong here
PV2's AccessMode (ReadOnlyMany) does not match the PVC's ReadWriteOnce.
- ✓
Neither PV will bind; the PVC will remain pending.
Why this is correct
No PV satisfies both capacity and access mode requirements.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
PV1 will bind because it has matching AccessModes.
Why it's wrong here
PV1 has insufficient capacity (3Gi < 5Gi).
- ✗
Both PVs will bind to satisfy the request.
Why it's wrong here
A PVC binds to a single PV, not multiple.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume capacity is the only criterion or that a larger PV can compensate for mismatched access modes, but Kubernetes requires all three conditions (capacity, access modes, and storage class) to match exactly for a static PV to bind.
Detailed technical explanation
How to think about this question
In Kubernetes, PVC binding is an exact match process: the PV must have at least the requested capacity, matching access modes, and a matching storageClassName (or both be empty). If no PV meets all conditions, the PVC remains Pending until a suitable PV is created or a dynamic provisioner with a matching StorageClass is available. This behavior is defined in the Kubernetes PersistentVolume subsystem, which uses a claimRef to bind a PV to a PVC one-to-one.
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 KCNA 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.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this KCNA question test?
Kubernetes Fundamentals — This question tests Kubernetes Fundamentals — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Neither PV will bind; the PVC will remain pending. — The PVC specifies storageClassName: "", which means it requires a PV with the same empty storage class (i.e., a statically provisioned PV without a StorageClass). PV1 has 3Gi capacity, which is less than the requested 5Gi, so it fails capacity matching. PV2 has ReadOnlyMany access mode, which does not match the PVC's ReadWriteOnce. Since neither PV satisfies all binding criteria (capacity, access modes, and storage class), the PVC remains Pending.
What should I do if I get this KCNA question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
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Last reviewed: Jul 4, 2026
This KCNA practice question is part of Courseiva's free CNCF certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the KCNA exam.
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