Google ACE Deploying and implementing a cloud solution Practice Question
This ACE practice question tests your understanding of deploying and implementing 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.
Which TWO configurations are required to deploy a stateful workload on a regional managed instance group in Compute Engine? (Choose two.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Define a stateful configuration that includes persistent disk
Option A is correct because a stateful workload requires persistent data that survives instance restarts or failures. A stateful configuration in a regional managed instance group (MIG) must include a persistent disk definition to ensure that the disk is preserved and reattached to the new instance when the instance is recreated, maintaining state across instance lifecycle events.
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.
✓
Define a stateful configuration that includes persistent disk
Why this is correct
Stateful configuration ensures that persistent disks are preserved when instances are recreated.
Related concept
Read the scenario before looking for a memorised answer.
✓
Configure a health check for the instance group
Why this is correct
A health check is necessary for auto-healing in a MIG.
Related concept
Read the scenario before looking for a memorised answer.
✗
Assign static internal IPs to each instance
Why it's wrong here
Static IPs are not a requirement for stateful MIGs.
✗
Attach a GPU to the instance template
Why it's wrong here
GPUs are not required for stateful workloads.
✗
Enable autoscaling
Why it's wrong here
Autoscaling is optional and not required for stateful workloads.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the misconception that autoscaling is required for any managed instance group, but for stateful workloads, autoscaling is typically avoided because it can lead to data loss by automatically terminating instances without preserving their stateful disks.
Detailed technical explanation
How to think about this question
A regional managed instance group with stateful configuration uses a 'stateful policy' that can preserve instance names, persistent disks, and internal IPs. The persistent disk must be defined in the instance template as a 'source' disk, and the MIG's stateful policy must explicitly mark it as 'preserved' to ensure it is not deleted when the instance is recreated. Under the hood, the MIG uses a 'stateful fingerprint' to track which resources are preserved, and the disk is reattached to the new instance using the same device name and mode (read/write).
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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this ACE question in full detail.
Deploying and implementing a cloud solution — This question tests Deploying and implementing a cloud solution — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Define a stateful configuration that includes persistent disk — Option A is correct because a stateful workload requires persistent data that survives instance restarts or failures. A stateful configuration in a regional managed instance group (MIG) must include a persistent disk definition to ensure that the disk is preserved and reattached to the new instance when the instance is recreated, maintaining state across instance lifecycle events.
What should I do if I get this ACE 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.
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Question Discussion
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