Crucial Exams

GCP Associate Cloud Engineer Practice Question

An online retailer runs a Cloud Run service. Each time a payment fails, the application writes a structured log entry with severity ERROR and the field payment_status="DECLINED". You must alert the on-call team whenever 20 or more such failures occur within any one-minute window, and you cannot modify application code or deploy additional services. What is the most efficient way to deliver this alert?

  • Create an uptime check that polls the Cloud Run service endpoint every minute and configure an alert to fire if 20 or more requests return a 5xx status within the last minute.

  • Enable Cloud Audit Logs for Cloud Run, create a distribution logs-based metric on all audit log entries, and configure an alert that triggers when the metric's 95th-percentile value exceeds 20.

  • Use Logs Explorer to filter for resource.type="cloud_run_revision" AND severity=ERROR AND jsonPayload.payment_status="DECLINED", create a counter logs-based metric, then build a Cloud Monitoring alerting policy that fires when the metric's rate exceeds 20 per minute.

  • Export the filtered logs to Pub/Sub, invoke a Cloud Function that increments a custom Cloud Monitoring metric for each message received, and set an alert on that metric when it exceeds 20 per minute.

GCP Associate Cloud Engineer
Ensuring successful operation of a cloud solution
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