Microsoft Azure Developer Associate AZ-204 Practice Question
During a production incident, several users report slow page loads. Your ASP.NET Core web app is instrumented with Application Insights and is already sending request, dependency, and exception telemetry. You must observe the current request rate, average request duration, and any failed dependencies within a few seconds-without waiting for the normal telemetry ingestion delay-to decide whether to scale out the service. Which Application Insights feature should you use?
Performance view with End-to-end transaction details
Live Metrics Stream bypasses the standard ingestion and aggregation pipeline and streams lightweight telemetry directly from the application instances to the Azure portal with a latency of only one to two seconds. This allows you to watch request rates, response times, dependency call failures, CPU usage, and other counters in near real time while a problem is occurring. The Performance and Failures blades as well as Kusto-based log queries rely on fully ingested telemetry, which typically appears after one to several minutes, making them unsuitable for immediate incident response.
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Microsoft Azure Developer Associate AZ-204
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