AZ-204 Azure Compute Solutions 2 — Questions and Answers
Question 1: Which Azure service allows you to run containerized workloads without managing Kubernetes infrastructure?
- Azure Kubernetes Service
- Azure Container Instances (Correct answer)
- Azure Service Fabric
- Azure Batch
Correct answer: Azure Container Instances
Azure Container Instances (ACI) lets you run containers on-demand without provisioning or managing any underlying VM or orchestration infrastructure.
Question 2: How do you configure an Azure Function to run on a schedule every 5 minutes?
- Use an HTTP trigger with a 5-minute retry
- Use a Timer trigger with CRON expression '0 */5 * * * *' (Correct answer)
- Use a Queue trigger with visibility timeout of 5 minutes
- Use an Event Grid trigger with 5-minute batching
Correct answer: Use a Timer trigger with CRON expression '0 */5 * * * *'
A Timer trigger with the NCRONTAB expression `0 */5 * * * *` fires the function every 5 minutes.
Question 3: Which feature of Azure App Service lets you test routing to a new version of your app by sending a percentage of traffic to a staging slot?
- A/B testing with Application Insights
- Traffic Manager weighted routing
- Testing in production (slot traffic routing) (Correct answer)
- Azure Front Door origin groups
Correct answer: Testing in production (slot traffic routing)
App Service's 'Testing in production' feature routes a configurable percentage of live traffic to a non-production deployment slot.
Question 4: What must you configure on an Azure App Service to allow it to access an Azure Virtual Network resource privately?
- Service endpoint
- VNet Integration (Correct answer)
- Private DNS zone
- ExpressRoute gateway
Correct answer: VNet Integration
VNet Integration enables outbound connections from an App Service to resources inside an Azure Virtual Network.
Question 5: Which Durable Functions pattern is best suited for fan-out/fan-in scenarios where multiple parallel activities must complete before proceeding?
- Chaining pattern
- Fan-out/fan-in pattern using Task.WhenAll (Correct answer)
- Monitor pattern
- Async HTTP API pattern
Correct answer: Fan-out/fan-in pattern using Task.WhenAll
The fan-out/fan-in pattern uses `Task.WhenAll` in the orchestrator to launch multiple activity functions in parallel and aggregate their results.
Question 6: What property in an Azure Function's function.json specifies the connection string setting name for a Queue Storage trigger?
- storageAccount
- connection (Correct answer)
- connectionString
- queueStorage
Correct answer: connection
The `connection` property in function.json references an app setting name that holds the Storage connection string for the Queue trigger.
AZ-204 Azure Compute Solutions 2
Which Azure service allows you to run containerized workloads without managing Kubernetes infrastructure?