Q11 PostgreSQL Domain 2 · 25–30% of exam

Which Azure Database for PostgreSQL deployment option provides the highest availability with up to 99.99% SLA using standby nodes?

  1. A Single Server
  2. B Flexible Server with zone-redundant high availability (correct answer)
  3. C Flexible Server with same-zone HA
  4. D Citus (Hyperscale)

Shortcut: Flexible Server with zone-redundant HA deploys a standby in a different availability zone. 99% SLA.

Flexible Server with zone-redundant HA deploys a standby in a different availability zone. Failover is automatic, providing up to 99.99% SLA.

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