Crucial Exams

GCP Professional Cloud Architect Practice Question

Your team is building a Node.js application that uses Cloud Functions (2nd gen) triggered by Cloud Firestore document writes and Cloud Storage object finalize events. For rapid local development, engineers must be able to run full integration-test suites on their laptops-even without an Internet connection-while observing function logs in near real time. The solution should replicate Google Cloud behavior as closely as possible and incur no GCP charges during local execution. Which approach best satisfies these requirements?

  • Use Docker Compose to run the open-source Firestore emulator together with LocalStack's S3 and a standalone Node.js container that invokes the real Cloud Functions endpoints.

  • Launch the Firebase Emulator Suite with the Firestore, Cloud Functions, Cloud Storage, and Pub/Sub emulators enabled, point local SDKs to the emulator hosts, and execute the test suite against this environment.

  • Spin up a minimal GKE Autopilot cluster, deploy the Firestore emulator in a Pod, mount a Cloud Storage FUSE volume, and run tests via kubectl exec inside the cluster.

  • Create a dedicated GCP project per developer, deploy the functions and services to that project, and rely on the Always-Free tier to avoid most costs during testing.

GCP Professional Cloud Architect
Managing implementation
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