A Company Is Using Amazon RDS MySQL Instances for Its

Multiple Choice

A company is using Amazon RDS MySQL instances for its application database tier and Apache Tomcat servers for its web tier. Most of the database queries from web applications are repeated read requests. Use of which AWS service would increase in performance by adding in-memory store for repeated read queries?

A) Amazon RDS Multi-AZ
B) Amazon SQS
C) Amazon ElastiCache
D) Amazon RDS read replica