AZ-204 Cheat Sheet 2026

The 30 highest-yield AZ-204 facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Which Application Insights feature periodically sends HTTP requests to your web app from multiple global locations and alerts you on failures or latency spikes? → Availability tests
2. What is the maximum message size supported by Azure Service Bus Premium tier? → 100 MB
3. What is the purpose of Azure Event Hubs Capture? → To automatically archive streaming data to Azure Blob Storage or Azure Data Lake Storage
4. An Event Grid subscription has dead-lettering enabled. Events that cannot be delivered after all retries are exhausted are sent where? → A configured Azure Storage blob container
5. Messages in an Azure Service Bus queue have exceeded their maximum delivery count. Where do these messages automatically move? → Dead-letter subqueue
6. Which Azure messaging service is designed for high-throughput data streaming and telemetry ingestion, such as IoT device data? → Azure Event Hubs
7. What is the benefit of standardized digital reporting in AZ-204 - Microsoft Azure Developer Associate practice? → It ensures consistency, enables comparison, and facilitates regulatory compliance
8. How should an AZ-204 professional handle a situation outside their scope of competency? → Recognize limitations and refer to or consult with appropriate specialists
9. What is the partition key in Azure Cosmos DB primarily used for? → Distributing data across physical partitions for scalability
10. Which App Service configuration setting controls the .NET runtime version used by a web app? → linuxFxVersion / netFrameworkVersion
11. How do continuing education requirements benefit AZ-204 certified professionals? → They ensure professionals stay current with evolving industry practices and knowledge
12. A security review flags that your App Service can be accessed over plain HTTP. What is the lowest-effort mitigation to enforce HTTPS-only access? → Enable the HTTPS Only toggle in App Service TLS/SSL settings
13. When deploying an Azure Container App, a developer wants to follow the 12-factor app methodology. Which practice is most aligned with this standard? → Storing config in environment variables injected at runtime
14. What is the role of professional journals in AZ-204 - Microsoft Azure Developer Associate practice? → They disseminate current research, best practices, and professional developments
15. An Azure developer wants to adopt shift-left security by scanning for secrets in source code. Which tool integrates natively with Azure DevOps for this purpose? → Microsoft Security DevOps extension with secret scanning in pipelines
16. Which Azure Cosmos DB feature helps you validate that changes to your data model do not break existing queries before deploying to production? → Automatic indexing policy validation via the Azure portal query explorer
17. A company uses Event Grid domains to manage events across hundreds of topics. How does a domain simplify publishing for the application? → A single endpoint and key can publish to any topic within the domain
18. Which claim in an Azure AD access token uniquely identifies the tenant that issued the token? → tid
19. Your Azure App Service deployment uses deployment slots. Which risk does a swap operation mitigate compared to deploying directly to production? → Provides a zero-downtime rollback path by swapping slots back
20. What happens to an Azure Service Bus message that has been delivered more times than its configured maximum delivery count? → It is moved to the dead-letter queue
21. In Azure Key Vault, what does enabling soft-delete allow you to do? → Recover deleted vaults and objects within a retention period
22. What is the key advantage of a user-assigned managed identity compared to a system-assigned managed identity? → It can be shared across multiple Azure resources simultaneously
23. What is the primary purpose of geo-replication in Azure Container Registry? → To distribute registry replicas to multiple regions for faster image pulls
24. In Azure Functions, which binding type injects data from an external source such as Azure Blob Storage directly into a function parameter for reading? → Input binding
25. What header must a client include when calling an Azure AD-protected API to prove it has a valid access token? → Authorization: Bearer {token}
26. What is the consistency level in Azure Cosmos DB that provides the strongest guarantees but highest latency? → Strong
27. Which Durable Functions pattern is best suited for fan-out/fan-in scenarios where multiple parallel activities must complete before proceeding? → Fan-out/fan-in pattern using Task.WhenAll
28. Which Azure Cosmos DB API is the best choice for migrating an existing MongoDB application with minimal code changes? → API for MongoDB
29. What is the primary competency framework for AZ-204 - Microsoft Azure Developer Associate professionals? → Structured competency standards defined by the certifying body
30. Which Azure Container Instances restart policy should be selected for a one-time batch processing job that should not restart after completion? → Never