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How can you distribute the application load between the primary instance and a read replica in a multi-zonal Cloud SQL for PostgreSQL setup within the same region?
A
Use Cloud Load Balancing for load balancing between the Cloud SQL primary and read replica instances.
B
Use PgBouncer to set up database connection pooling between the Cloud SQL primary and read replica instances.
C
Use HTTP(S) Load Balancing for database connection pooling between the Cloud SQL primary and read replica instances.
D
Use the Cloud SQL Auth proxy for database connection pooling between the Cloud SQL primary and read replica instances.
