AZ-204 Develop Azure compute solutions Practice Question
This AZ-204 practice question tests your understanding of develop azure compute solutions. 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.
You have an Azure App Service web app that experiences high CPU usage during peak hours. You need to scale out automatically based on CPU load. What should you configure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure an autoscale rule to scale out based on CPU percentage.
Option C is correct because Azure App Service autoscale rules allow you to scale out (increase instance count) based on a metric like CPU percentage. This automatically adds more instances when CPU exceeds a threshold, distributing the load and reducing CPU usage per instance during peak hours.
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.
✗
Manually increase the instance count during peak hours.
Why it's wrong here
Manual scaling is not automatic.
✗
Configure an autoscale rule to scale up the App Service plan.
Why it's wrong here
Scaling up increases resources per instance, not number of instances.
✓
Configure an autoscale rule to scale out based on CPU percentage.
Why this is correct
Autoscale can add instances when CPU exceeds a threshold.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use Azure Front Door to distribute load across multiple instances.
Why it's wrong here
Front Door does not autoscale.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'scale up' (changing the plan tier) with 'scale out' (adding instances), and may incorrectly select Option B thinking it addresses CPU load, but scaling up does not increase instance count.
Detailed technical explanation
How to think about this question
Autoscale in Azure App Service uses Azure Monitor metrics and can scale out based on a percentage threshold (e.g., scale out by 1 instance when CPU > 70% for 10 minutes). The scale-out action adds instances to the App Service plan, which must be in a tier that supports scaling (e.g., Standard, Premium). A common pitfall is confusing 'scale up' (vertical scaling) with 'scale out' (horizontal scaling); the question specifically asks to scale out based on CPU load, which requires horizontal scaling.
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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-204 question in full detail.
Develop Azure compute solutions — This question tests Develop Azure compute solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure an autoscale rule to scale out based on CPU percentage. — Option C is correct because Azure App Service autoscale rules allow you to scale out (increase instance count) based on a metric like CPU percentage. This automatically adds more instances when CPU exceeds a threshold, distributing the load and reducing CPU usage per instance during peak hours.
What should I do if I get this AZ-204 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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