Optimized reads database for heavy workloads in IBM Cloud

Question:
A microservice needs optimized reads database for heavy workloads. Which IBM Cloud service did you choose to solve this problem?

1. IBM Db2 Warehouse on Cloud
2. IBM Cloud Databases for MySQL
3. IBM Cloudant
4. IBM Db2 on Cloud

Answer:
C - is the correct answer. A fully managed, distributed database optimized for heavy workloads and fast-growing web and mobile apps, IBM Cloudant is an IBM Cloud service with a 99.99% SLA. And using Cloudant Mobile Sync, an offline-first architecture, lets your customers interact with your app without connectivity