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 developing a background job that runs every hour on Azure App Service. The job must be resilient to restarts and should not affect the web app's performance. Which technology should you use?
A background thread in the web application
Why wrong: Wrong: Not resilient to restarts and can affect performance.
Azure Logic Apps
Why wrong: Wrong: Overkill and not directly integrated with the web app.
WebJobs (triggered)
Correct: WebJobs run in the same App Service plan and can be scheduled.
Azure Functions (Consumption plan)
Why wrong: Wrong: While possible, it is not the most integrated for App Service.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
WebJobs (triggered)
WebJobs (triggered) are designed specifically for running background tasks on Azure App Service. They run as separate processes from the web app, ensuring they do not affect the web app's performance, and they are resilient to restarts because the Azure WebJobs SDK automatically handles restart and retry logic. This makes them the ideal choice for a scheduled hourly job that must survive App Service restarts.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
A background thread in the web application
Why it's wrong here
Wrong: Not resilient to restarts and can affect performance.
Azure Logic Apps
Why it's wrong here
Wrong: Overkill and not directly integrated with the web app.
WebJobs (triggered)
Why this is correct
Correct: WebJobs run in the same App Service plan and can be scheduled.
Related concept
Read the scenario before looking for a memorised answer.
Azure Functions (Consumption plan)
Why it's wrong here
Wrong: While possible, it is not the most integrated for App Service.
Common exam traps
The trap here is that candidates often confuse Azure Functions with WebJobs, not realizing that WebJobs run inside the App Service sandbox and share the same scaling and restart behavior, whereas Functions on the Consumption plan are independent and subject to cold starts and different billing models.
Detailed technical explanation
Under the hood, triggered WebJobs use the Azure WebJobs SDK's TimerTrigger, which relies on the `Azure.Storage.Queues` and `Azure.Storage.Blobs` libraries to manage lease-based singleton execution, ensuring only one instance runs even across multiple scaled-out App Service instances. This is crucial for hourly jobs that must not overlap. A real-world scenario is a data cleanup job that must run exactly once per hour; using a background thread would fail on restart, while WebJobs automatically resume from the last successful execution using the `ScheduleMonitor` stored in Azure Blob Storage.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
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FAQ
Develop Azure compute solutions — This question tests Develop Azure compute solutions — Read the scenario before looking for a memorised answer..
The correct answer is: WebJobs (triggered) — WebJobs (triggered) are designed specifically for running background tasks on Azure App Service. They run as separate processes from the web app, ensuring they do not affect the web app's performance, and they are resilient to restarts because the Azure WebJobs SDK automatically handles restart and retry logic. This makes them the ideal choice for a scheduled hourly job that must survive App Service restarts.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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