Explanation:
High Availability in Cloud SQL uses a synchronous standby replica in another zone with automatic failover to the same connection string. Replicas are for read scaling, not HA failover. Data is not lost due to sync.
Ultimate access to all questions.
A regional Cloud SQL (HA) primary's zone goes down. What happens?
A
You restore from backup manually
B
Automatic failover to the standby in the other zone; same connection name/IP
C
Read replicas are promoted automatically
D
Data since last backup is lost
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