Which AWS services can accomplish this?

A company needs to monitor the read and write IOPs metrics for their AWS MySQL RDS instance and send
real-time alerts to their operations team. Which AWS services can accomplish this? (Choose two.)

A.
Amazon Simple Email Service

B.
Amazon CloudWatch

C.
Amazon Simple Queue Service

D.
Amazon Route 53

E.
Amazon Simple Notification Service

Explanation:
B: Amazon RDS provides metrics in real time for the operating system (OS) that your DB instance runs on. You
can view the metrics for your DB instance using the console, or consume the Enhanced Monitoring JSON
output from CloudWatch Logs in a monitoring system of your choice.
E: Use Amazon RDS DB events to monitor failovers. For example, you can be notified by text message or
email when a DB instance fails over. Amazon RDS uses the Amazon Simple Notification Service (Amazon
SNS) to provide notification when an Amazon RDS event occurs.