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What database backend should you select for a new IoT application that requires handling millions of requests per second with sub-10ms latency and storing up to 100 TB of historical data?
A
Use Cloud SQL with read replicas for throughput.
B
Use Firestore, and rely on automatic serverless scaling.
C
Use Memorystore for Memcached, and add nodes as necessary to achieve the required throughput.
D
Use Bigtable, and add nodes as necessary to achieve the required throughput.
