What should you do?

You are choosing a database backend for a new application. The application will ingest data points from IoT sensors. You need to ensure that the application can scale up to millions of requests per second with sub-10ms latency and store up to 100 TB of history.

What should you do?
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.

Answer: D

Explanation:

https://cloud.google.com/memorystore/docs/redis/redis-overview