Microsoft Azure Solutions Architect Expert AZ-305 Practice Question
A company is modernizing an on-premises microservices application and plans to deploy containers to Azure. Mandatory requirements are:
Each microservice must automatically scale from 0 to hundreds of instances on HTTP or queue events.
Platform management of the underlying infrastructure must be minimized; developers must not administer Kubernetes clusters.
Built-in support is needed for Dapr service invocation and pub/sub between microservices. Which Azure service should you recommend to host the containers?
Azure Container Apps
Azure Kubernetes Service (AKS) with the cluster autoscaler and KEDA add-on
Azure App Service for Containers running in the Premium v3 tier with autoscale rules
Azure Container Instances orchestrated by Azure Logic Apps
Azure Container Apps is a fully managed service that runs containers on an Azure-managed Kubernetes environment yet hides cluster management from developers. It supports event-driven horizontal scaling with KEDA, including scaling to zero when workloads are idle, and offers native integration with the Dapr runtime for service invocation and pub/sub. Azure Kubernetes Service also supports KEDA and Dapr but still requires customers to operate and secure the cluster and cannot completely eliminate baseline node costs. Azure App Service for Containers and Azure Container Instances do not provide Dapr integration or scale-to-zero capabilities. Therefore, Azure Container Apps best meets all stated requirements.
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What is Dapr, and why is it important for microservices in Azure?
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How does Azure Container Apps scale seamlessly from 0 to handle large workloads?
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What differentiates Azure Container Apps from Azure Kubernetes Service (AKS)?
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Microsoft Azure Solutions Architect Expert AZ-305
Design infrastructure solutions
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