You are designing a highly available Cloud SQL architecture for a mission-critical application. Which TWO configurations are required to ensure automatic failover in case of a zone outage? (Select TWO)

Enable High Availability (Regional) on the instance.

Create a cross-region read replica.

Configure Cloud DNS to route to the standby IP.

Ensure the application uses the standard connection string, as the IP remains the same during failover.

Manually promote the standby instance during an outage.