AWS Certified DevOps Engineer - Professional
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A company is utilizing Amazon CloudWatch to monitor their Amazon EC2 instances and requires the instances to be stopped when the average NetworkPacketsIn metric falls below 5 for a continuous period of 3 hours within any 12-hour window. The metric is to be assessed hourly, and instances should remain operational if there is any data missing during the assessment period. The DevOps engineer has set up a CloudWatch alarm for the NetworkPacketsIn metric with a threshold of 5 and an hourly evaluation period. What additional configurations should the DevOps engineer implement to fulfill these monitoring requirements?
A
Set the Datapoints to Alarm to 3 out of 12, configure the alarm to treat missing data as breaching the threshold, and use an AWS Systems Manager action to stop the instance upon alarm activation.
B
Set the Datapoints to Alarm to 3 out of 12, configure the alarm to treat missing data as not breaching the threshold, and use an EC2 action to stop the instance upon alarm activation.
C
Set the Datapoints to Alarm to 9 out of 12, configure the alarm to treat missing data as breaching the threshold, and use an EC2 action to stop the instance upon alarm activation.
D
Set the Datapoints to Alarm to 9 out of 12, configure the alarm to treat missing data as not breaching the threshold, and use an AWS Systems Manager action to stop the instance upon alarm activation.