An Application Is Experiencing Performance Issues Based on Increased Demand

Multiple Choice

An application is experiencing performance issues based on increased demand. This increased demand is on read-only historical records pulled from an Amazon RDS-hosted database with custom views and queries. A Developer must improve performance without changing the database structure. Which approach will improve performance and MINIMIZE management overhead?

A) Deploy Amazon DynamoDB, move all the data, and point to DynamoDB.
B) Deploy Amazon ElastiCache for Redis and cache the data for the application.
C) Deploy Memcached on Amazon EC2 and cache the data for the application.
D) Deploy Amazon DynamoDB Accelerator (DAX) on Amazon RDS to improve cache performance.