A user has launched an EC2 instance. The user is planning to setup the CloudWatch alarm. Which of the
below mentioned actions is not supported by the CloudWatch alarm?

A.
Notify the Auto Scaling launch config to scale up

B.
Send an SMS using SNS

C.
Notify the Auto Scaling group to scale down

D.
Stop the EC2 instance

Explanation:
A user can create a CloudWatch alarm that takes various actions when the alarm changes state. An alarm
watches a single metric over the time period that the user has specified, and performs one or more actions
based on the value of the metric relative to a given threshold over a number of time periods. The actions could
be sending a notification to an Amazon Simple Notification Service topic (SMS, Email, and HTTP end point.,
notifying the Auto Scaling policy or changing the state of the instance to Stop/Terminate.