4.4 Capturing and Analyzing Distributed Traces PROFESSIONAL-CLOUD-DEVOPS-ENGINEER Practice Questions (Page 3)

Questions 11–15

1. 11foundation · medium

   When a developer needs to trace a custom business operation that is not covered by automatic instrumentation, which OpenTelemetry technique should they use?

   • AAutomatic instrumentation
   • BSpan sampling
   • CManual instrumentation
   • DTrace context propagation
   Reveal Solution Discussion Select an answer first
2. 12application · medium

   You are analyzing a trace waterfall for a user request that creates an order. The waterfall shows: the frontend span takes 1200ms, the order service span takes 1150ms, and the payment service span takes 300ms. The order service span has a child span for a database query that takes 800ms. Which span is the primary contributor to the overall latency?

   • AThe payment service span, because it is a downstream dependency that adds 300ms.
   • BThe database query span, because it accounts for 800ms of the order service's 1150ms duration.
   • CThe order service span, because it is the parent of the database query and takes 1150ms.
   • DThe frontend span, because it is the root span and has the longest duration.
   Reveal Solution Discussion Select an answer first
4. 13application · medium

   A developer reports that a specific API endpoint is intermittently slow. You have a large number of traces for this endpoint, and you want to quickly identify common patterns or anomalies that could explain the slowdown. You have access to Gemini Cloud Assist. What is the most efficient first step?

   • ADisable tracing for other endpoints to reduce noise.
   • BFilter traces by the endpoint name and export them to a spreadsheet for analysis.
   • CAsk Gemini Cloud Assist to analyze the traces and summarize common latency patterns or anomalies.
   • DManually inspect each trace waterfall to find the slowest span.
   Reveal Solution Discussion Select an answer first
5. 14foundation · medium

   A developer wants to add tracing to a Java service without modifying the application code. Which OpenTelemetry approach should they use?

   • AManual instrumentation
   • BAutomatic instrumentation
   • CTrace context propagation
   • DSpan exporter configuration
   Reveal Solution Discussion Select an answer first
6. 15foundation · medium

   What is the primary benefit of including the trace ID in structured log entries?

   • AIt enables correlating logs with the corresponding trace
   • BIt reduces log storage costs
   • CIt automatically fixes errors in the application
   • DIt encrypts log data
   Reveal Solution Discussion Select an answer first