A global application accepts writes in multiple Regions and needs a DynamoDB replication design. The application cannot ignore cross-Region consistency and conflict behavior. What should the architect do?

1. Assume every global table mode provides identical synchronous semantics in every Region.
2. Run independent tables and assume matching names automatically replicate records.
3. Choose a supported global-table consistency mode and design application writes around its documented semantics.
4. Use DNS latency routing as the sole cross-Region consistency protocol.