- A
Cloud Filestore (NFS)
Why wrong: Filestore is a file storage service, but it is more expensive and has lower performance compared to local persistent disks for high throughput.
- B
Compute Engine persistent disks (SSD) using StorageClass 'pd-ssd'
Persistent disks are the native block storage for GKE and provide high throughput and low latency for stateful workloads.
- C
Bigtable
Why wrong: Bigtable is a NoSQL database, not a persistent volume for Kubernetes.
- D
Cloud Storage FUSE
Why wrong: Cloud Storage is not a persistent volume; it's object storage and does not support standard file system semantics required for stateful applications.
Question 565 of 1,000
Google ACE Planning and Configuring a Cloud Solution Practice Question
This ACE practice question tests your understanding of planning and configuring a cloud solution. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 company has a GKE Autopilot cluster and wants to run a stateful application that requires persistent volumes with high read/write throughput. The application is deployed in a single region and does not require multi-region redundancy. Which storage option is the best choice for the persistent volumes?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"best"Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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
✓
Compute Engine persistent disks (SSD) using StorageClass 'pd-ssd'
GKE Autopilot supports persistent volumes via Compute Engine persistent disks (PD) or Cloud Filestore. For high throughput, regional persistent disks (pd-balanced or pd-ssd) offer excellent performance. Cloud Storage is not a persistent volume. Filestore is file storage but is more expensive and adds network latency. Persistent disks are native and provide the best performance for stateful applications.
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.
- ✗
Cloud Filestore (NFS)
Why it's wrong here
Filestore is a file storage service, but it is more expensive and has lower performance compared to local persistent disks for high throughput.
- ✓
Compute Engine persistent disks (SSD) using StorageClass 'pd-ssd'
Why this is correct
Persistent disks are the native block storage for GKE and provide high throughput and low latency for stateful workloads.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Bigtable
Why it's wrong here
Bigtable is a NoSQL database, not a persistent volume for Kubernetes.
- ✗
Cloud Storage FUSE
Why it's wrong here
Cloud Storage is not a persistent volume; it's object storage and does not support standard file system semantics required for stateful applications.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
Identify which ACE exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Questions learners often ask
What does this ACE question test?
Planning and Configuring a Cloud Solution — This question tests Planning and Configuring a Cloud Solution — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Compute Engine persistent disks (SSD) using StorageClass 'pd-ssd' — GKE Autopilot supports persistent volumes via Compute Engine persistent disks (PD) or Cloud Filestore. For high throughput, regional persistent disks (pd-balanced or pd-ssd) offer excellent performance. Cloud Storage is not a persistent volume. Filestore is file storage but is more expensive and adds network latency. Persistent disks are native and provide the best performance for stateful applications.
What should I do if I get this ACE question wrong?
Identify which ACE exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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 →
Last reviewed: Jul 4, 2026
This ACE practice question is part of Courseiva's free Google Cloud 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 ACE exam.
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