Crucial Exams

GCP Associate Cloud Engineer Practice Question

An e-commerce company has built a stateless container that writes each order message to a Cloud SQL database. The operations team must deploy the image to Cloud Run so that it automatically scales up on traffic from the orders Pub/Sub topic, retries failed messages until they succeed, and processes only one message at a time in each container instance to avoid transaction conflicts. Which deployment strategy meets these requirements while requiring the least custom code and operational overhead?

  • Deploy the image to Cloud Run, create a pull subscription, and implement a background thread in the container that polls Pub/Sub; keep the default concurrency setting.

  • Deploy the image as a second-generation Cloud Function triggered by the topic and limit max instances to 1.

  • Deploy the image to Cloud Run with an Eventarc Pub/Sub trigger, set the service's maximum concurrency to 1, and rely on Cloud Run's automatic retry on non-2xx responses.

  • Run the container in a GKE Deployment and schedule a CronJob that periodically pulls and processes messages from the Pub/Sub topic one at a time.

GCP Associate Cloud Engineer
Planning and implementing a cloud solution
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