A user has setup an EBS backed instance and a CloudWatch alarm when the CPU utilization is
more than 65%. The user has setup the alarm to watch it for 5 periods of 5 minutes each. The
CPU utilization is 60% between 9 AM to 6 PM. The user has stopped the EC2 instance for 15
minutes between 11 AM to 11:15 AM. What will be the status of the alarm at 11:30 AM?

A.
Alarm

B.
OK

C.
Insufficient Data

D.
Error

Explanation:
Amazon CloudWatch alarm watches a single metric over a time period the user specifies 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 state of the alarm will be OK for the whole day. When the user stops
the instance for three periods the alarm may not receive the data