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Multiple ChoiceIntermediate 45s

Multi-region failover RTO vs RPO

A team wants a hot standby region. Which combo best minimizes RPO while staying active-passive?
Options
  1. 1Asynchronous replication with no fencing, relying only on a short DNS record TTL
  2. 2Synchronous replication for critical writes with automated DNS failover and split-brain fencing
  3. 3Manual failover driven by operators with only nightly backup restores available
  4. 4Active-active writes to both regions with no conflict resolution or fencing logic

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