Crucial Exams

GCP Associate Cloud Engineer Practice Question

Several Compute Engine VMs were launched months ago with the project's default service account, which still holds the Editor role. Security has created a least-privilege user-managed service account named analytics-sa@project-id. The running VMs must start using this new identity without having to be rebuilt. What should an engineer do to attach the new service account to each VM instance?

  • Grant the VM's default service account the same IAM roles as analytics-sa@project-id; no changes to the instances are required.

  • Copy a JSON key for analytics-sa@project-id onto each VM and set the GOOGLE_APPLICATION_CREDENTIALS environment variable.

  • Run gcloud compute instances update to modify the access configuration and specify the new service account while the VM keeps running.

  • Stop the VM, run gcloud compute instances set-service-account INSTANCE --service-account=analytics-sa@project-id --scopes=needed-scopes, then start the VM.

GCP Associate Cloud Engineer
Configuring access and security
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