Explanation:
The correct answer is C because a failover replica is essential for providing High Availability (HA) for Cloud SQL. This setup involves a primary instance in one zone and a failover replica in another zone within the same region, ensuring data redundancy through semisynchronous replication. In case of a failure, this configuration minimizes downtime, keeping your data accessible.
For more details, refer to the GCP documentation on Cloud SQL High Availability.
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A company relies on Cloud SQL for hosting critical data and seeks to ensure high availability in the event of a complete zone failure. What is the recommended configuration to achieve this?
A
Establish a Read replica within the same region but in a different zone.
B
Set up a Read replica in a different region and zone.
C
Configure a Failover replica in the same region but a different zone.
D
Create a Failover replica in a different region and zone.
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