20+ practice questions focused on Develop Azure compute solutions — one of the most tested topics on the Microsoft Azure Developer Associate AZ-204 exam. Each question includes a detailed explanation so you learn why the right answer is correct.
Start Develop Azure compute solutions PracticeYou have an Azure Function with a Service Bus queue trigger. The function processes messages that must be handled in order within each partition of the queue. You need to ensure that the function does not process multiple messages from the same partition concurrently, while still allowing parallel processing across different partitions. Which setting should you configure?
Explanation: Service Bus sessions provide exactly-once-in-order message processing within a partition (session). To ensure that the function does not process multiple messages from the same partition concurrently, 'maxConcurrentCallsPerSession' should be set to 1 for a session-enabled queue. To still allow parallel processing across different partitions, 'maxConcurrentSessions' should be configured to a value greater than 1 (or left at its default, which typically allows multiple concurrent sessions).
You are deploying a batch processing application to Azure Container Instances (ACI). The application processes multiple files from an Azure Blob Storage container and writes results to another container. Each container instance processes a single file and then exits. The processing logic is written in a Docker image that reads input and output connection strings from environment variables. You need to configure the container group so that it writes the results to the output container durably and efficiently. The environment variables must be provided at runtime but must not be exposed in the ACI configuration. Which approach should you use?
Explanation: Option B is the most secure and recommended approach for handling sensitive information like storage account connection strings in Azure Container Instances. By using a managed identity, the container group can authenticate to Azure Key Vault without storing any credentials in its configuration. The application then retrieves the secret at runtime from Key Vault. This ensures the connection string is never exposed in the ACI configuration, meeting the security requirement. While the STEM states the application currently reads from environment variables, this approach necessitates a minor adaptation in the application's secret retrieval mechanism to directly query Key Vault using the managed identity, which is a standard security best practice.
You deploy a containerized application to Azure Container Instances (ACI). The application writes state to the /data directory. You need to ensure that if the container restarts, the data persists. Which type of volume mount should you use?
Explanation: Azure Files shares provide a fully managed SMB file share in the cloud that can be mounted to Azure Container Instances. When a container restarts, the data written to the /data directory persists because the share lives independently of the container lifecycle, ensuring state survives crashes or restarts. Azure Disk volumes also provide persistent storage for ACI and would similarly ensure data persistence across container restarts.
You are deploying a containerized application to Azure App Service. The application consists of a web front-end and a background worker. You want to run both containers in the same App Service plan to minimize costs. The worker should scale independently from the web front-end. What should you do?
Explanation: To run both containers in the same App Service plan for cost minimization and allow independent scaling, you must deploy each container as a separate Azure App Service app within the same App Service plan. This allows each app (and thus each container) to be scaled independently based on its own load. Using Docker Compose (option B) or the multi-container feature in App Service scales all containers as a single unit, failing the independent scaling requirement. Option A (AKS) and Option D (ACI) deploy the worker outside the App Service plan, violating the cost minimization goal. None of the provided options perfectly describe this correct approach without ambiguity or contradiction.
You are designing a serverless application using Azure Functions. The application processes messages from Azure Service Bus. You need to ensure that processing is idempotent and that messages are not lost. Which THREE actions should you take?
Explanation: Idempotency ensures that processing the same message multiple times produces the same result, which is critical for serverless applications where retries or duplicate deliveries can occur. Azure Functions can receive the same Service Bus message more than once due to transient failures or redelivery, so the function logic must handle duplicates safely, often by checking a unique message ID or using a deduplication store (Option B). To prevent message loss, using PeekLock mode with manual completion (Option C) ensures that a message is only removed from the queue after it has been successfully processed and explicitly completed. If the function fails, the message lock expires, and the message becomes available again for reprocessing. Finally, setting the max delivery count (Option E) on the Service Bus queue is crucial for handling 'poison messages.' After a configured number of failed delivery attempts, the message is automatically moved to a dead-letter queue, preventing infinite retries and ensuring that problematic messages are not lost but rather isolated for further investigation.
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Practice all Develop Azure compute solutions questions1. Baseline your knowledge
Start with 10 questions to gauge your current understanding of Develop Azure compute solutions. This tells you whether you need a concept refresher or just practice.
2. Review every explanation
For each question — right or wrong — read the full explanation. Understanding why an answer is correct is more valuable than knowing the answer itself.
3. Focus on exam traps
Develop Azure compute solutions questions on the AZ-204 frequently use trap wording. Look for subtle differences in answers that test your precision, not just general knowledge.
4. Reach 80% consistently
Do repeated sessions until you score 80%+ three times in a row. Then move to mixed-mode practice to test cross-topic recall under realistic conditions.
The exact number varies per candidate. Develop Azure compute solutions is tested as part of the Microsoft Azure Developer Associate AZ-204 blueprint. Practicing with targeted Develop Azure compute solutions questions ensures you can handle any format or difficulty that appears.
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