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GCP Professional Cloud Architect Practice Question

A financial-services company is preparing to launch a real-time trading platform on Google Cloud. The application consists of several microservices running on GKE clusters in two regions, with state stored in Cloud Spanner and events exchanged through Cloud Pub/Sub. A Well-Architected Framework review highlights gaps in the Operational Excellence pillar, specifically in release engineering automation and production observability. Which single design change would MOST directly address these gaps before go-live?

  • Replace Cloud Pub/Sub with Cloud Tasks to achieve at-least-once delivery guarantees for asynchronous service calls.

  • Create a Cloud Build CI pipeline that tests every commit, invokes Google Cloud Deploy for canary rollouts to the GKE clusters, and sets up Cloud Monitoring SLO alerts for each microservice.

  • Archive all audit logs in a Nearline Cloud Storage bucket with a 7-year retention policy enforced by Object Lifecycle Management.

  • Schedule daily Cloud Spanner backups and export them to a separate project for long-term storage.

GCP Professional Cloud Architect
Designing and planning a cloud solution architecture
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