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gcp-cloud-database-engineer_d1_4a5abdfaa553 domain/d1 · medium single

A financial services company must deploy a mission-critical transactional database on Google Cloud but also needs cross-cloud resilience to satisfy 'stressed exit' regulatory requirements that mandate the ability to fail over outside Google Cloud. Which architecture aligns with these requirements?

A A single multi-region Spanner instance entirely within Google Cloud
B A primary Spanner managed service in Google Cloud with Spanner Omni deployed in a secondary cloud or on-premises data center as a hot/cold failover site
C Two independent regional Spanner instances in different Google Cloud regions with application-level dual writes
D A self-managed PostgreSQL cluster replicated across two cloud providers

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