4.4 Capturing and Analyzing Distributed Traces PROFESSIONAL-CLOUD-DEVOPS-ENGINEER Practice Questions (Page 4)

Questions 16–20

1. 16application · medium

   You are instrumenting a new microservice that will be part of an existing distributed tracing environment. The service is written in Node.js and will receive HTTP requests and make outbound HTTP calls. You want to ensure that the service participates in the existing trace context. What is the minimum you need to configure?

   • ASet the service name to match the existing services.
   • BConfigure the service to export traces to the same backend as other services.
   • CInstall the OpenTelemetry Node.js SDK and the HTTP instrumentation library.
   • DManually parse the traceparent header in every request and create a new span.
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2. 17expert · hard

   Your organization uses a mix of services: some are instrumented with OpenTelemetry, and some use a legacy tracing system that uses a different trace context header. You need to ensure that traces span across both types of services. What should you do?

   • AReplace the legacy tracing system with OpenTelemetry in all services.
   • BDisable tracing in the legacy services to avoid conflicts.
   • CConfigure the OpenTelemetry propagators to support both the W3C Trace Context and the legacy header format.
   • DUse a proxy to translate the trace context headers between the two systems.
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4. 18application · medium

   You are troubleshooting a failed order in production. You have the trace ID from the error message. You need to find all log entries related to this order across multiple services. What is the most efficient approach?

   • AUse the trace waterfall to manually identify each service and then check their logs.
   • BSearch Cloud Logging for the trace ID in the structured log fields.
   • CSearch each service's logs individually using the order ID.
   • DRe-run the order process with debug logging enabled.
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5. 19foundation · medium

   Which OpenTelemetry component is the API used by application code to create and manage spans?

   • ASpan
   • BProcessor
   • CContext
   • DTracer
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6. 20foundation · medium

   Which OpenTelemetry span field is used to record a timestamped, human-readable message during a span's lifetime?

   • AStatus
   • BName
   • CAttribute
   • DEvent
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