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Which Cosmos DB feature should an architect recommend to provide active-active multi-region writes for global low-latency writes + automatic regional failover?
ACosmos DB multi-region writes (multi-master) across regions
BDisabling consistency
CSingle-region writes with no replication
DAzure DNS load balancing
Answer & Solution
Correct answer: A. Cosmos DB multi-region writes (multi-master) across regions
Cosmos multi-region writes give active-active global writes (per AZ-305 §3 NoSQL HA). The other options either don't fail over or break consistency.
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