AWS Certified Developer Associate DVA-C01 – Question144

A developer needs to implement a cache to store data that an application frequently queries from an Amazon RDS for MySQL database. The data structures that will be cached include sets and sorted sets.
How should the developer implement the cache to achieve the LOWEST latency?

A.
Create an Amazon ElastiCache for Memcached instance. Serialize the data as JSON before caching the data.
B. Create an Amazon ElastiCache for Redis instance. Use a Redis client library to cache the data.
C. Create an Amazon DynamoDB table. Serialize the data as JSON before caching the data.
D. Create an Amazon ElastiCache for Memcached instance. Use a Memcached client library to cache the data.

Correct Answer: B