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Exam AWS Certified Solutions Architect - Professional topic 1 question 790 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional
Question #: 790
Topic #: 1
[All AWS Certified Solutions Architect - Professional Questions]

A solutions architect must analyze a company's Amazon EC2 instances and Amazon Elastic Block Store (Amazon EBS) volumes to determine whether the company is using resources efficiently. The company is running several large, high-memory EC2 instances to host database clusters that are deployed in active/ passive configurations. The utilization of these EC2 instances varies by the applications that use the databases, and the company has not identified a pattern.
The solutions architect must analyze the environment and take action based on the findings.
Which solution meets these requirements MOST cost-effectively?

  • A. Create a dashboard by using AWS Systems Manager OpsCenter. Configure visualizations for Amazon CloudWatch metrics that are associated with the EC2 instances and their EBS volumes. Review the dashboard periodically, and identify usage patterns. Rightsize the EC2 instances based on the peaks in the metrics.
  • B. Turn on Amazon CloudWatch detailed monitoring for the EC2 instances and their EBS volumes. Create and review a dashboard that is based on the metrics. Identify usage patterns. Rightsize the EC2 instances based on the peaks in the metrics.
  • C. Install the Amazon CloudWatch agent on each of the EC2 instances. Turn on AWS Compute Optimizer, and let it run for at least 12 hours. Review the recommendations from Compute Optimizer, and rightsize the EC2 instances as directed.
  • D. Sign up for the AWS Enterprise Support plan. Turn on AWS Trusted Advisor. Wait 12 hours. Review the recommendations from Trusted Advisor, and rightsize the EC2 instances as directed.
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by kubala at Dec. 29, 2021, 1:54 p.m.
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asfsdfsdf
Highly Voted 2 years, 9 months ago
Selected Answer: C
C - for sure since its memory instance need to install CW agent and to configure memory metrics - optimizer will do the work and analyze and suggest rightsizing for both Ec2 EBS and EC2 instances - need to pay just for one extra metric per EC2. A is incorrect OpsCenter is identifying issue with resources like instance failures etc.. not for cost optimizing D is not cost effective B - will not fulfil the requirement - no memory data also enable detailed monitoring for all EC2 instances is expensive
upvoted 5 times
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Ni_yot
Most Recent 2 years, 7 months ago
looks C according to this - CloudWatch Agent is a software package that autonomously and continuously runs on your servers. Using CloudWatch Agent, we can collect metrics and logs from Amazon Elastic Compute Cloud (Amazon EC2), hybrid, and on-premises servers running both Linux and Windows.
upvoted 1 times
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hilft
2 years, 9 months ago
C. Directly from Jon Bonso's practice exam
upvoted 1 times
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hilft
2 years, 10 months ago
C. You need CW agent install first
upvoted 1 times
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ablazleon
3 years, 1 month ago
Selected Answer: C
Both A and C seems to have the functional requirements to be useful, but C seems to be cheaper. I checked cheris opinion, aws compute optimizer seems to have a free tier where it is free. System Manager ops center seems not to have this free tier (https://aws.amazon.com/compute-optimizer/pricing/, https://aws.amazon.com/systems-manager/pricing/).
upvoted 2 times
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cheris
3 years, 1 month ago
I don't think option C is cost-effective ... A sounds less costly.
upvoted 1 times
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kaush4u
3 years, 3 months ago
To sign up for AWS Compute Optimizer, go to the AWS Compute Optimizer console and click “opt in”. You must have an Amazon Web Services account to access this service. Once you opt in, AWS Compute Optimizer immediately starts analyzing your AWS resources and starts delivering recommendations. When you first opt in AWS Compute Optimizer, it may take up to 12 hours to fully analyze the AWS resources in your account.
upvoted 1 times
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AMKazi
3 years, 3 months ago
Selected Answer: C
https://aws.amazon.com/compute-optimizer/
upvoted 1 times
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Smartphone
3 years, 3 months ago
C is the correct answer. CloudWatch Agent needs to be install to work the AWS Compute Optimizer correctly.
upvoted 1 times
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krisvija12
3 years, 3 months ago
If not for cost wise I would have gone with D. For D one has to purchase Enterprise plan, hence the right answer should be C. Install CW agent on each EC2
upvoted 1 times
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kubala
3 years, 3 months ago
Selected Answer: C
need to install cloudwatch agent
upvoted 1 times
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kubala
3 years, 3 months ago
c - need to install cloudwatch agent
upvoted 1 times
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