AZ-204 Develop Azure compute solutions Practice Question
This AZ-204 practice question tests your understanding of develop azure compute solutions. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 are deploying a containerized application on Azure Container Instances (ACI) that needs to run as a background job every hour. The job processes data from an Azure SQL Database and sends a report via email. You need to minimize costs while ensuring the job runs reliably on schedule. The job takes about 10 minutes to complete. What should you do?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Use Azure Batch with a job schedule to run the container as a task.
Why wrong: Azure Batch is designed for parallel tasks, not a single container.
B
Create an Azure Logic App with a recurrence trigger that starts the container group using the 'Start Container Group' action, and stop it after completion.
Logic App can start and stop ACI on schedule, minimizing cost.
C
Deploy the container on a single Azure virtual machine and schedule it using Windows Task Scheduler.
Why wrong: VM costs are higher than ACI for occasional use.
D
Use an Azure Function with a timer trigger that uses the Azure Container Instances SDK to start the container group.
Why wrong: Possible but more complex; Logic App is simpler and cheaper.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create an Azure Logic App with a recurrence trigger that starts the container group using the 'Start Container Group' action, and stop it after completion.
Option B is correct because it uses Azure Logic Apps with a recurrence trigger to start the container group only when needed, and stops it after the job completes. This minimizes costs by avoiding continuous running charges for the container, while the Logic App itself incurs minimal execution cost. The job's 10-minute duration fits well within the 1-hour recurrence window, ensuring reliable scheduling without idle compute time.
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.
✗
Use Azure Batch with a job schedule to run the container as a task.
Why it's wrong here
Azure Batch is designed for parallel tasks, not a single container.
✓
Create an Azure Logic App with a recurrence trigger that starts the container group using the 'Start Container Group' action, and stop it after completion.
Why this is correct
Logic App can start and stop ACI on schedule, minimizing cost.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Deploy the container on a single Azure virtual machine and schedule it using Windows Task Scheduler.
Use an Azure Function with a timer trigger that uses the Azure Container Instances SDK to start the container group.
Why it's wrong here
Possible but more complex; Logic App is simpler and cheaper.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may assume an Azure Function with a timer trigger is the cheapest option, but they overlook the Function's execution timeout limits and the need to manage container lifecycle, making Logic Apps the more reliable and cost-effective choice for this specific scenario.
Detailed technical explanation
How to think about this question
Azure Logic Apps uses a consumption-based pricing model where you pay only for action executions, making it cost-effective for infrequent, short-lived jobs. The 'Start Container Group' action triggers the ACI container group, and you can configure the container to automatically stop after the job completes by setting the restart policy to 'Never' or using a script to stop the container group via the Azure Management API. This pattern is commonly used for ETL pipelines or scheduled reporting where compute resources are ephemeral and costs must be minimized.
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 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: Create an Azure Logic App with a recurrence trigger that starts the container group using the 'Start Container Group' action, and stop it after completion. — Option B is correct because it uses Azure Logic Apps with a recurrence trigger to start the container group only when needed, and stops it after the job completes. This minimizes costs by avoiding continuous running charges for the container, while the Logic App itself incurs minimal execution cost. The job's 10-minute duration fits well within the 1-hour recurrence window, ensuring reliable scheduling without idle compute time.
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.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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