A Company Runs an Application That Uses Amazon RDS for MySQL

Multiple Choice

A company runs an application that uses Amazon RDS for MySQL. During load testing of equivalent production volumes, the Development team noticed a significant increase in query latency. A SysOps Administrator concludes from investigating Amazon CloudWatch Logs that the CPU utilization on the RDS MySQL instance was at 100%. Which action will resolve this issue?

A) Configure AWS Database Migration Service (AWS DMS) to allow Amazon RDS for MySQL to scale and accept more requests.
B) Configure RDS for MySQL to scale horizontally by adding additional nodes to offload write requests.
C) Enable the Multi-AZ feature for the RDS instance.
D) Modify the RDS MySQL instance so it is a larger instance type.