Monitor and Troubleshoot Azure Solutions AI-200 Practice Questions (Page 2)

Questions 6–10

1. 6application · medium

   A DevOps engineer needs to find all requests that took longer than 3 seconds and also identify the specific operation name for each slow request. The traces are stored in the 'AppTraces' table with columns 'OperationName', 'DurationMs', and 'RequestId'. Which KQL query should they use?

   • AAppTraces | summarize avg(DurationMs) by OperationName | where avg_DurationMs > 3000
   • BAppTraces | where DurationMs > 3000 | project RequestId, OperationName
   • CAppTraces | where OperationName contains 'slow' | project RequestId, DurationMs
   • DAppTraces | where DurationMs > 3 | project RequestId, OperationName
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2. 7foundation · easy

   What is the role of a span in OpenTelemetry trace data collection?

   • AA span is a log entry that records an error message
   • BA span is a metric that measures the number of requests per second
   • CA span is a collection of traces that share the same service name
   • DA span represents a single unit of work or operation within a service
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4. 8foundation · easy

   Which KQL query correctly counts the number of error events in the 'AppEvents' table?

   • AAppEvents | count | where Level == "Error"
   • BAppEvents | summarize count() by Level
   • CAppEvents | project Level == "Error" | count
   • DAppEvents | where Level == "Error" | count
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5. 9application · hard

   An Azure function app writes structured logs to a Log Analytics workspace. Each log entry has a 'FunctionName' field and a 'DurationMs' field. You need to identify functions that have a duration that is more than two standard deviations above the average duration for that function. Which KQL query should you use?

   • AFunctionLogs | where DurationMs > avg(DurationMs) + 2 * stdev(DurationMs) | summarize by FunctionName
   • BFunctionLogs | summarize Threshold = avg(DurationMs) + 2 * stdev(DurationMs) by FunctionName | join kind=inner (FunctionLogs) on FunctionName | where DurationMs > Threshold
   • CFunctionLogs | summarize AvgDuration = avg(DurationMs), StdDev = stdev(DurationMs) by FunctionName | where DurationMs > AvgDuration + 2 * StdDev
   • DFunctionLogs | summarize AvgDuration = avg(DurationMs) by FunctionName | where DurationMs > AvgDuration + 2 * stdev(DurationMs)
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6. 10application · medium

   A logistics company has a .NET application that calls a third-party REST API. They want to use OpenTelemetry to trace the outbound HTTP calls. What should they do?

   • AManually create a span around every HTTP call using the OpenTelemetry API.
   • BEnable Azure Application Insights auto-instrumentation for the virtual machine hosting the application.
   • CUse Azure Monitor's built-in dependency tracking without adding any SDK.
   • DAdd the OpenTelemetry HTTP instrumentation library to the application and configure the exporter to send traces to Azure Monitor.
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