SAA-C03 Question 297

Community Discussion

Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.

• 4

  I picked B.. I am not 100% sure..The application is deployed in 5 instances initially. What is the logic behind 2/3/6 ASG. Because utilization is 10%, we can set min 2? I know for sure I am not going to get this ASG question correct in the exam.

• Chose B3

  The correct answer is B. This solution will meet the requirements because it will: Automate the scalability of the application by using EC2 Auto Scaling. Optimize the cost of the architecture by only scaling the number of EC2 instances up when needed. Ensure that the application has enough CPU resources when surges occur by setting the target value of the target tracking scaling policy to 50%.

• 3

  Wrong answers: Options A, C, and D are not the most appropriate solutions: Option A suggests creating a CloudWatch alarm to terminate an EC2 instance when CPU utilization is less than 20%. However, this approach does not ensure that the application will have enough CPU resources during surges, as it only terminates instances when CPU utilization is low, which may not meet the requirements. Option C suggests creating an Auto Scaling group without any specific scaling policies or configurations. This approach does not address the need for automated scaling based on CPU utilization, making it insufficient for the given requirements. Option D suggests using CloudWatch alarms to send notifications via Amazon SNS and manually adjusting the number of instances based on the received messages. This approach lacks automation and requires manual intervention, which does not optimize cost or meet the requirement of automated scalability. Therefore, Option B is the most appropriate solution in this case.