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How should you configure a new PostgreSQL database instance in Cloud SQL to ensure optimal performance, high availability, and automatic failover for uninterrupted operation?
A
Create one regional Cloud SQL instance with a read replica in another region.
B
Create one regional Cloud SQL instance in one zone with a standby instance in another zone in the same region.
C
Create two read-write Cloud SQL instances in two different zones with a standby instance in another region.
D
Create two read-write Cloud SQL instances in two different regions with a standby instance in another zone.