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Exam question from Amazon's AWS-SysOps

Question #: 525
Topic #: 1

An organization has developed a new memory-intensive application that is deployed to a large Amazon EC2 Linux fleet. There is concern about potential memory exhaustion, so the Development team wants to monitor memory usage by using Amazon CloudWatch.
What is the MOST efficient way to accomplish this goal?

A. Deploy the solution to memory-optimized EC2 instances, and use the CloudWatch MemoryUtilization metric
B. Enable the Memory Monitoring option by using AWS Config
C. Install the AWS Systems Manager agent on the applicable EC2 instances to monitor memory
D. Monitor memory by using a script within the instance, and send it to CloudWatch as a custom metric

Show Suggested Answer

Suggested Answer: B 🗳️

by YashBindlish at July 14, 2019, 4:08 a.m.

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Comments

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YashBindlish

Highly Voted 2 years, 3 months ago

Correct Answer is D

upvoted 7 times

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saumenP

Highly Voted 2 years, 3 months ago

D is correct

upvoted 5 times

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gulu73

Most Recent 11 months ago

Selected Answer: D

D is correct

upvoted 1 times

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TroyMcLure

2 years, 2 months ago

Correct Answer: D But this question is outdated since monitoring scripts are deprecated. https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/mon-scripts.html "You can use Amazon CloudWatch to collect metrics and logs from the operating systems for your EC2 instances. Important: The CloudWatch monitoring scripts are deprecated. We recommend that you use the CloudWatch agent to collect metrics and logs. You can use the CloudWatch agent to collect both system metrics and log files from Amazon EC2 instances and on-premises servers."

upvoted 2 times

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a_w_s

2 years, 2 months ago

D : memory is a custom cloudwatch metric!

upvoted 1 times

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AWS_Noob

2 years, 2 months ago

D - Memory metrics are custom.

upvoted 1 times

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anishmn10

2 years, 2 months ago

Correct Answer is D

upvoted 1 times

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ezat

2 years, 2 months ago

D cuz its a custom metric

upvoted 1 times

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sen12

2 years, 2 months ago

For linux there is mon script but agent is preferred: CloudWatch Monitoring Scripts Important We recommend that you use the CloudWatch agent to collect metrics and logs. The information about the monitoring scripts is provided for customers who are still using the old monitoring scripts to gather information from their Linux instances. The monitoring scripts demonstrate how to produce and consume custom metrics for Amazon CloudWatch. These sample Perl scripts comprise a fully functional example that reports memory, swap, and disk space utilization metrics for a Linux instance.

upvoted 1 times

narayanan010

2 years, 2 months ago

Do you suggest then that the answer should be C?

upvoted 1 times

narayanan010

2 years, 2 months ago

https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Install-CloudWatch-Agent.html This link confirms it, looks like option C is better suited here, comments welcome.

upvoted 1 times

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jaribu

2 years, 2 months ago

Amazon Systems Manager on its own will not not work; Cloudwatch Agent has to be installed and it's now the preferred way of monitoring memory usage. Since the question is stale, the answer is D.

upvoted 3 times