az 204 practice test Practice Exam: Test Your Knowledge 2025

You are developing an Azure Function app that processes messages from an Azure Storage Queue. The function must automatically scale based on the number of messages in the queue. Which hosting plan should you choose?

You need to store user profile images for a web application. The images must be publicly accessible and optimized for web delivery with low latency worldwide. Which Azure Storage solution should you implement?

Your application needs to authenticate users and access Azure resources securely without storing credentials in code. Which authentication method should you use?

You are implementing Application Insights for your web application. Which SDK method should you call to track a custom business metric like 'orders completed'?

Your application needs to send messages to Azure Service Bus queue. Messages must be processed in the order they are sent. What should you configure?

You are developing a containerized microservice application that needs to scale automatically based on HTTP traffic and support multiple container orchestration. Which Azure service should you use?

Your Azure Function processes messages from a Service Bus queue. During peak times, the function experiences throttling errors from a downstream API. What should you implement to handle this scenario?

You need to implement optimistic concurrency control for Azure Cosmos DB documents to prevent lost updates. Which property should you use in your update operations?

Your web application stores sensitive configuration data. You need to ensure that configuration values are encrypted at rest and access is audited. Which Azure service should you use?

You are developing an API that must authenticate requests using Azure AD OAuth 2.0 tokens. The API receives a token but needs to verify the audience claim. What should the audience claim contain for a valid token?

Your application is experiencing performance issues. You need to identify which database queries are taking the longest time. Which Application Insights feature should you use?

You need to implement a caching strategy for an ASP.NET Core web application deployed to Azure App Service. The cache must be shared across multiple instances and support data persistence. Which solution should you use?

You are developing an application that publishes events to Azure Event Grid. Multiple subscribers need to receive these events. One subscriber is temporarily unavailable. What happens to events for the unavailable subscriber?

Your Azure Function written in C# needs to process large files from Blob Storage. The function occasionally times out. Which binding configuration should you implement to handle large files efficiently?

You need to implement a storage solution for IoT device telemetry data that supports time-series queries and automatic data retention policies. The solution must handle millions of writes per second. Which Azure service is most appropriate?

Your application uses Azure Service Bus topics and subscriptions. You need to ensure that messages containing 'priority: high' in their properties are delivered to a specific subscription while all other messages go to a different subscription. What should you configure?

You are implementing a multi-tenant SaaS application using Azure App Service. Each tenant's data must be isolated, and the solution must support scaling to thousands of tenants without architectural changes. Which data isolation model should you implement?

You are developing a distributed transaction across multiple Azure Cosmos DB containers using the Core (SQL) API. The transaction must ensure that either all operations succeed or all fail. Which approach should you implement?

Your Azure Kubernetes Service (AKS) cluster hosts multiple microservices that need to authenticate to Azure services. You want to avoid managing credentials for each pod. The solution must allow different pods to have different permissions. What should you implement?

You are designing a solution to process video files uploaded to Azure Blob Storage. Processing takes 30-45 minutes per file and must be scalable and cost-effective. Failed processing must be automatically retried. Which architecture should you implement?