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GCP Professional Cloud Security Engineer Practice Question

A retailer's nightly Beam pipeline launches from a Cloud Composer environment and runs as a dedicated service account on Dataflow workers. The workers must read CSV files from an input bucket, load the transformed records into an existing BigQuery dataset, and write job logs to Cloud Logging. The service account currently holds the Editor role on both involved projects, which violates least-privilege policy. Which replacement IAM grant set meets the functional needs while eliminating overly permissive roles?

  • Grant roles/dataflow.worker on the Dataflow project, roles/storage.objectViewer on the input bucket, roles/bigquery.dataEditor on the target dataset, and roles/logging.logWriter on the project.

  • Assign roles/storage.admin and roles/bigquery.admin at the project level so the pipeline can manage all storage and BigQuery resources without further changes.

  • Replace Editor with roles/owner on the Dataflow project to cover all required permissions and future growth.

  • Give the service account roles/dataflow.admin on the project, roles/storage.legacyBucketReader on the bucket, and roles/bigquery.user on the project.

GCP Professional Cloud Security Engineer
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