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Larkspur Systems is building a browser based workspace where teams coauthor very large documents in real time. Each document can reach 25 MB and the system must handle about 60,000 edits per minute from users spread across three regions and it must keep a complete version timeline for every file with strong consistency. Which managed database on Google Cloud best satisfies these requirements?
Correct Answer: B
It delivers globally distributed and strongly consistent transactions with high write throughput and can maintain an authoritative version history across regions. This database scales horizontally and provides synchronous replication across multiple regions which matches the need to sustain about 60,000 edits per minute from users in three regions while preserving strong consistency. Its relational model and transactional SQL make it straightforward to design a versioned schema where each edit or snapshot is stored as a new row with committed ordering so you can reconstruct an exact timeline for every document.