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GCP Associate Cloud Engineer Practice Question

You deployed a Deployment with three replicas on GKE. The container spec does not include any CPU requests or limits. You created a Horizontal Pod Autoscaler that should increase replicas from 3 up to 10 when average CPU utilization exceeds 70 %. During a stress test, Cloud Monitoring shows each Pod constantly using about 600 mCPU, yet the HPA never scales beyond three replicas. Which change will allow the HPA to scale the workload based on CPU usage?

  • Modify the HPA to use a custom metric instead of the default CPU utilization metric.

  • Enable node-pool cluster autoscaling so that new Pods have capacity to schedule.

  • Define an explicit, non-zero CPU request (and optional limit) for the container in the Deployment spec.

  • Install the Ops Agent as a DaemonSet so the HPA can read CPU metrics from Cloud Monitoring.

GCP Associate Cloud Engineer
Ensuring successful operation of a cloud solution
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