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Question 523

A company migrated to AWS and uses AWS Business Support. The company wants to monitor the cost-effectiveness of Amazon EC2 instances across AWS accounts. The EC2 instances have tags for department, business unit, and environment. Development EC2 instances have high cost but low utilization.

The company needs to detect and stop any underutilized development EC2 instances. Instances are underutilized if they had 10% or less average daily CPU utilization and 5 MB or less network I/O for at least 4 of the past 14 days.

Which solution will meet these requirements with the LEAST operational overhead?

    Correct Answer: C

    To detect and stop underutilized development EC2 instances with the least operational overhead, leveraging AWS Trusted Advisor's low utilization reports is effective. Trusted Advisor already provides recommendations based on specific utilization metrics. By creating an Amazon EventBridge rule to trigger an AWS Lambda function for filtering instances by department, business unit, and environment tags and stopping the underutilized instances, this solution minimizes the need for continuous monitoring and management, thus reducing overall operational overhead.

Discussion
vip2Option: A

It would be A as correct answer Tagging with EC2 instances for department, business unit, and environment . CloudWatch to collect and monitor CPU utilization and network I/O metrics. Create CloudWatch Alarms to detect underutilized instances with composite alarmwith boh CPU utilization and network I/O are low. AWS Lambda Function to be triggered by the CloudWatch Alarms and check the conditions (10% or less average daily CPU utilization and 5 MB or less network I/O) hold true for at least 4 of the past 14 days. Stop the instances that meet these criteria.

gfhbox0083Option: C

C, for sure. TA for 10% or less average daily CPU utilization and 5 MB or less network I/O for at least 4 of the past 14 days. And least operational overhead

MoumitaOption: C

A - involves continuous monitoring and potential updates to dashboards and metrics. C - minimizes ongoing maintenance by relying on Trusted Advisor's automated reports.

asquared16Option: C

A is not correct as it's missing setting up alarms for the "detect" part. I go with C.

paderni

Not c because AWS Trusted Advisor does not provide real-time utilization metrics suitable for detecting underutilized instances over a specific timeframe. It focuses more on best practices and recommendations rather than real-time operational metrics. Should be B

c22ddd8

Will B monitor multi account ? NO Ans is C , question says to stop of the instance is low for 4 days in last 14 days.