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gcp-cloud-database-engineer_d1_152ad2f8f8cb domain/d1 · medium single

An architect is designing a globally distributed order system on Spanner and must choose a configuration that matches a strict fault-tolerance and availability requirement. Which statement correctly describes how Spanner lets you match availability requirements?

A Spanner only supports single-region deployments, so availability must be handled by the application
B Spanner offers single-region, dual-region, or multi-region configurations, delivering up to 99.999% availability
C Spanner availability depends entirely on manually configured failover replicas
D Spanner guarantees 99.99% availability only in multi-region configurations

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