4.5 Troubleshooting Issues PROFESSIONAL-CLOUD-DEVOPS-ENGINEER Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   A web application hosted on Google Cloud suddenly becomes unreachable from the internet. Which symptom is most indicative of a network failure?

   • AThe load balancer's forwarding rule shows 0 bytes sent and received.
   • BThe Cloud Storage bucket's object count has increased.
   • CThe VM's CPU utilization is at 50%.
   • DThe application's error rate in Cloud Monitoring spikes to 100%.
   Reveal Solution Discussion Select an answer first
2. 7application · medium

   A Cloud Build pipeline that deploys a containerized application to Cloud Run started failing at the deployment stage. The build and test stages complete successfully. The error message in the Cloud Build log is: 'ERROR: (gcloud.run.deploy) PERMISSION_DENIED: Permission 'run.services.update' denied on resource ...'. The service account used by Cloud Build was recently changed. What is the most likely cause?

   • AThe Cloud Run service has a maximum instance count of zero, preventing new revisions from being created.
   • BThe new service account lacks the Cloud Run Admin role (roles/run.admin) on the Cloud Run service.
   • CThe container image in Artifact Registry is corrupted and cannot be deployed.
   • DThe Cloud Run service is disabled in the project, preventing any updates.
   Reveal Solution Discussion Select an answer first
4. 8foundation · easy

   An application's logs are incomplete in Cloud Logging. Which issue is most likely causing this?

   • AThe application's network latency is high.
   • BThe application's memory is insufficient.
   • CThe application is using too much CPU.
   • DThe application is not writing logs to stdout or stderr.
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   A Cloud DevOps engineer notices that a Compute Engine VM is unresponsive. Which symptom is most directly associated with resource exhaustion?

   • AThe VM's external IP address has changed after a reboot.
   • BThe VM's disk is attached to multiple instances simultaneously.
   • CThe VM's firewall rule allows all traffic from 0.0.0.0/0.
   • DThe VM's CPU utilization is consistently at 100% and the serial console shows out-of-memory (OOM) events.
   Reveal Solution Discussion Select an answer first
6. 10foundation · easy

   A Cloud Build pipeline fails during the build step. Which artifact should be examined first to diagnose the failure?

   • AThe source code repository's commit history
   • BThe billing report for the project
   • CThe build logs generated by Cloud Build
   • DThe Cloud Monitoring dashboard for the project
   Reveal Solution Discussion Select an answer first