4.3 Troubleshooting and Observability PROFESSIONAL-CLOUD-DEVELOPER Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   What is the purpose of a trace ID in distributed tracing?

   • ATo define a metric's unique name
   • BTo identify a specific log entry in Cloud Logging
   • CTo group errors in Error Reporting
   • DTo uniquely identify a single request across all services it traverses
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2. 22foundation · easy

   To create a custom metric in Cloud Monitoring from an application, which API or client library should be used?

   • ACloud Trace API (google-cloud-trace)
   • BCloud Monitoring API (google-cloud-monitoring)
   • CCloud Error Reporting API (google-cloud-error-reporting)
   • DCloud Logging API (google-cloud-logging)
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4. 23foundation · easy

   Which Google Cloud service is the destination for trace spans sent from instrumented applications?

   • ACloud Monitoring
   • BCloud Logging
   • CError Reporting
   • DCloud Trace
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5. 24foundation · easy

   Which Cloud Logging feature allows you to save a frequently used filter for quick access during troubleshooting?

   • ALog sink
   • BSaved query
   • CLog bucket
   • DLog view
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6. 25foundation · easy

   What is the primary benefit of emitting structured logs (e.g., JSON) instead of plain-text logs from application code?

   • AStructured logs are required for all applications running on Google Cloud.
   • BStructured logs eliminate the need for log-based metrics.
   • CStructured logs allow for easier filtering and querying of specific fields in Cloud Logging.
   • DStructured logs are automatically compressed before storage.
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