Crucial Exams

Microsoft DevOps Engineer Expert AZ-400 Practice Question

You manage an e-commerce solution instrumented with Application Insights. The custom metric CheckoutTime (milliseconds) is stored in the customMetrics table of a Log Analytics workspace. You must display the daily 95th-percentile CheckoutTime for the last seven days in Azure Monitor Logs. Which Kusto Query Language (KQL) query should you run?

  • customMetrics | where name == "CheckoutTime" and timestamp > ago(7d) | summarize pct95 = pctile(value, 0.95) by bin(timestamp, 1h)

  • customMetrics | where name == "CheckoutTime" and timestamp > ago(7d) | summarize pct95 = percentile(value, 95) by bin(timestamp, 1d)

  • customMetrics | summarize pct95 = percentile(value, 95) by name, bin(timestamp, 1d)

  • customMetrics | where name == "CheckoutTime" and timestamp > ago(7d) | summarize avgCheckout = avg(value) by bin(timestamp, 1d)

Microsoft DevOps Engineer Expert AZ-400
Implement an instrumentation strategy
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