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Question 199 - SAP-C02 discussion

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A solutions architect wants to cost-optimize and appropriately size Amazon EC2 instances in a single AWS account. The solutions architect wants to ensure that the instances are optimized based on CPU, memory, and network metrics.

Which combination of steps should the solutions architect take to meet these requirements? (Choose two.)

A.
Purchase AWS Business Support or AWS Enterprise Support for the account.
Answers
A.
Purchase AWS Business Support or AWS Enterprise Support for the account.
B.
Turn on AWS Trusted Advisor and review any ''Low Utilization Amazon EC2 Instances'' recommendations.
Answers
B.
Turn on AWS Trusted Advisor and review any ''Low Utilization Amazon EC2 Instances'' recommendations.
C.
Install the Amazon CloudWatch agent and configure memory metric collection on the EC2 instances.
Answers
C.
Install the Amazon CloudWatch agent and configure memory metric collection on the EC2 instances.
D.
Configure AWS Compute Optimizer in the AWS account to receive findings and optimization recommendations.
Answers
D.
Configure AWS Compute Optimizer in the AWS account to receive findings and optimization recommendations.
E.
Create an EC2 Instance Savings Plan for the AWS Regions, instance families, and operating systems of interest.
Answers
E.
Create an EC2 Instance Savings Plan for the AWS Regions, instance families, and operating systems of interest.
Suggested answer: B, D

Explanation:

AWS Trusted Advisor is a service that provides real-time guidance to help users provision their resources following AWS best practices1.One of the Trusted Advisor checks is ''Low Utilization Amazon EC2 Instances'', which identifies EC2 instances that appear to be underutilized based on CPU, network I/O, and disk I/O metrics1. This check can help users optimize the cost and size of their EC2 instances by recommending smaller or more appropriate instance types.

AWS Compute Optimizer is a service that analyzes the configuration and utilization metrics of AWS resources and generates optimization recommendations to reduce the cost and improve the performance of workloads2.Compute Optimizer supports four types of AWS resources: EC2 instances, EBS volumes, ECS services on AWS Fargate, and Lambda functions2.For EC2 instances, Compute Optimizer evaluates the vCPUs, memory, storage, and other specifications, as well as the CPU utilization, network in and out, disk read and write, and other utilization metrics of currently running instances3. It then recommends optimal instance types based on price-performance trade-offs.

Option A is incorrect because purchasing AWS Business Support or AWS Enterprise Support for the account will not directly help with cost-optimization and sizing of EC2 instances.However, these support plans do provide access to more Trusted Advisor checks than the basic support plan1.

Option C is incorrect because installing the Amazon CloudWatch agent and configuring memory metric collection on the EC2 instances will not provide any optimization recommendations by itself.However, memory metrics can be used by Compute Optimizer to enhance its recommendations if enabled3.

Option E is incorrect because creating an EC2 Instance Savings Plan for the AWS Regions, instance families, and operating systems of interest will not help with cost-optimization and sizing of EC2 instances.Savings Plans are a flexible pricing model that offer lower prices on Amazon EC2 usage in exchange for a commitment to a consistent amount of usage for a 1- or 3-year term4. Savings Plans do not affect the configuration or utilization of EC2 instances.

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asked 16/09/2024
Theodoros Flabouras
42 questions
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