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GCP Professional Data Engineer Practice Question

Your company is re-platforming an on-premises PostgreSQL 12 database that backs a Spring Boot order-management microservice. The schema uses foreign keys, triggers, and stored procedures, and the operations team must keep all ACID guarantees. Business leadership insists on completing migration within weeks and limiting application code changes. Availability must be at least 99.95 % within a single Google Cloud region, with a cross-region failover target that meets a 5-minute RPO. Which managed Google Cloud database design best satisfies these requirements while minimizing refactoring effort?

  • Cloud SQL for PostgreSQL with regional HA enabled and an asynchronous cross-region read replica

  • AlloyDB for PostgreSQL primary in one region with a high-availability secondary in another region

  • Bigtable cluster with multi-cluster routing enabled across two regions

  • A multi-region Cloud Spanner instance running in nam3 configuration

GCP Professional Data Engineer
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