The answer is Azure Functions with a Timer trigger and Azure Logic Apps with a Recurrence trigger. Both are correct because they provide a serverless scheduled background job with retry, running on a cost-effective consumption plan without managing infrastructure. Azure Functions handles the hourly schedule via its Timer trigger, integrates with Azure SQL through input bindings, and supports automatic retry through the host’s retry policy or custom code. Azure Logic Apps similarly uses a Recurrence trigger to run on schedule, with built-in retry policies and connectors for SQL and SendGrid. On the AZ-204 exam, this tests your understanding of serverless compute options for scheduled workloads—a common trap is choosing Azure WebJobs or Azure Batch, which are not serverless or cost-effective for simple hourly tasks. Remember the memory tip: “Timer and Recurrence, retry with confidence”—both are native serverless schedulers with automatic failure handling.
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 developing a background job that runs every hour to process data from an Azure SQL database and send notifications via SendGrid. The job must be serverless and cost-effective, and must automatically retry on failure. Which TWO options meet the requirements?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure Functions with Timer trigger
Azure Functions with a Timer trigger is correct because it provides a serverless, cost-effective compute model that runs on a schedule (e.g., every hour) without managing infrastructure. It integrates with Azure SQL via built-in bindings and supports automatic retry on failure through the host's retry policy or by implementing custom retry logic in code, meeting the requirements for a background job.
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.
✗
Azure Scheduler
Why it's wrong here
Azure Scheduler is deprecated and not serverless.
✓
Azure Functions with Timer trigger
Why this is correct
Serverless, cost-effective, and supports automatic retries via the configured retry policy.
Related concept
Read the scenario before looking for a memorised answer.
✗
Azure Batch with a schedule
Why it's wrong here
Azure Batch is for parallel batch processing, not simple periodic jobs.
✗
Azure WebJobs with TimerTrigger
Why it's wrong here
WebJobs require an App Service plan, which is not serverless and costs more.
✓
Azure Logic Apps with Recurrence trigger
Why this is correct
Serverless, cost-effective, and supports retry policies.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure WebJobs with TimerTrigger (which requires an App Service plan and is not serverless) with Azure Functions Timer trigger (which is serverless), leading them to incorrectly select WebJobs as a cost-effective serverless option.
Detailed technical explanation
How to think about this question
Azure Functions Timer trigger uses a CRON expression (e.g., '0 0 * * * *' for hourly) to schedule execution, and it leverages the Azure Functions runtime's built-in retry mechanism (configurable via host.json or retry policies) to handle transient failures. Under the hood, the Functions host polls Azure Storage queues for timer messages, ensuring at-least-once execution, which aligns with the retry requirement. In a real-world scenario, if the SQL database is temporarily unavailable, the retry policy can be set to exponential backoff (e.g., maxRetryCount: 5) to avoid overwhelming the database.
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: Azure Functions with Timer trigger — Azure Functions with a Timer trigger is correct because it provides a serverless, cost-effective compute model that runs on a schedule (e.g., every hour) without managing infrastructure. It integrates with Azure SQL via built-in bindings and supports automatic retry on failure through the host's retry policy or by implementing custom retry logic in code, meeting the requirements for a background job.
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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