AZ-204 Certification Practice Question #254

Question

You need to ensure that the solution can meet the scaling requirements for Policy Service.
Which Azure Application Insights data model should you use?

Accepted Answer

The case study requires the Policy service to autoscale dynamically based on the number of policy actions it performs. Auto-scaling rules in Azure (such as Azure Monitor Autoscale) evaluate quantitative, scalar, and time-series performance data to trigger scale-out and scale-in events. In the Application Insights data model, the **Metric** (`MetricTelemetry`) type is explicitly designed to record and transmit periodic scalar measurements (such as action counts or requests per second), making it the correct choice for powering these autoscaling mechanisms.

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