- A
SSD persistent disks with snapshots
SSD pd provides high performance, and snapshots help recover data after VM failure.
- B
Standard persistent disks with snapshots
Why wrong: Standard disks have low IOPS, not suitable for high-throughput databases.
- C
Extreme persistent disks with snapshots
Why wrong: Extreme disks provide high IOPS but are overkill and more expensive; pd-ssd is sufficient.
- D
Local SSDs
Why wrong: Local SSDs are ephemeral and data is lost if the VM fails.
Question 602 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. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 needs to run a MongoDB database on Compute Engine. The database requires high-throughput, low-latency storage that can survive VM failures. Which disk type and configuration is most appropriate?
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
✓
SSD persistent disks with snapshots
SSD persistent disks (pd-ssd) provide high IOPS and low latency for databases. For survival of VM failures, the disk should be set to non-deletable or use snapshots. Regional persistent disks replicate data across zones for higher availability, but the question asks for survival of VM failures, which can be achieved with zonal disks if the VM is recreated and the disk is detached. However, regional persistent disks are better for durability across zone failures. The best answer is pd-ssd with snapshots for backup.
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.
- ✓
SSD persistent disks with snapshots
Why this is correct
SSD pd provides high performance, and snapshots help recover data after VM failure.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Standard persistent disks with snapshots
Why it's wrong here
Standard disks have low IOPS, not suitable for high-throughput databases.
- ✗
Extreme persistent disks with snapshots
Why it's wrong here
Extreme disks provide high IOPS but are overkill and more expensive; pd-ssd is sufficient.
- ✗
Local SSDs
Why it's wrong here
Local SSDs are ephemeral and data is lost if the VM fails.
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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Planning and Configuring a Cloud Solution — study guide chapter
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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: SSD persistent disks with snapshots — SSD persistent disks (pd-ssd) provide high IOPS and low latency for databases. For survival of VM failures, the disk should be set to non-deletable or use snapshots. Regional persistent disks replicate data across zones for higher availability, but the question asks for survival of VM failures, which can be achieved with zonal disks if the VM is recreated and the disk is detached. However, regional persistent disks are better for durability across zone failures. The best answer is pd-ssd with snapshots for backup.
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.
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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