Q11 PostgreSQL Domain 2 · 25–30% of exam

Which Flexible Server high availability mode provides automatic failover to a standby in a different availability zone?

  1. A Same-zone HA
  2. B Zone-redundant HA (correct answer)
  3. C Read replica HA
  4. D Geo-redundant HA

Shortcut: Zone-redundant HA places the primary and standby in separate availability zones. This protects against zone-level failures with automatic failover in ~60–120 seconds.