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Exam AWS Certified Solutions Architect - Associate SAA-C02 All Questions

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Exam AWS Certified Solutions Architect - Associate SAA-C02 topic 1 question 602 discussion

A company hosts a website analytics application on a single Amazon EC2 On-Demand Instance. The analytics software is written in PHP and uses a MySQL database. The analytics software, the web server that provides PHP, and the database server are all hosted on the EC2 instance. The application is showing signs of performance degradation during busy times and is presenting 5xx errors. The company needs to make the application scale seamlessly.
Which solution will meet these requirements MOST cost-effectively?

  • A. Migrate the database to an Amazon RDS for MySQL DB instance. Create an AMI of the web application. Use the AMI to launch a second EC2 On-Demand Instance. Use an Application Load Balancer to distribute the load to each EC2 instance.
  • B. Migrate the database to an Amazon RDS for MySQL DB instance. Create an AMI of the web application. Use the AMI to launch a second EC2 On-Demand Instance. Use Amazon Route 53 weighted routing to distribute the load across the two EC2 instances.
  • C. Migrate the database to an Amazon Aurora MySQL DB instance. Create an AWS Lambda function to stop the EC2 instance and change the instance type. Create an Amazon CloudWatch alarm to invoke the Lambda function when CPU utilization surpasses 75%.
  • D. Migrate the database to an Amazon Aurora MySQL DB instance. Create an AMI of the web application. Apply the AMI to launch template. Create an Auto Scaling group with the launch template. Configure the launch template to use a Spot Fleet. Attach an Application Load Balancer to the Auto Scaling group.
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Suggested Answer: D 🗳️

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nymets
Highly Voted 2 years, 8 months ago
Selected Answer: D
Aurora is cheaper than RDS Mysql. And Using spot instances in an ASG should reduce the costs even further.
upvoted 5 times
rodriiviru
2 years, 7 months ago
Spot Instances are a cost-effective choice if you can be flexible about when your applications run and if your applications can be interrupted. You don't know if the app can be interrumped
upvoted 1 times
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Alexander_Nox
2 years, 7 months ago
Aurora is expensive service up to 30%
upvoted 2 times
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BECAUSE
Most Recent 1 year, 11 months ago
Selected Answer: D
D is the answer
upvoted 1 times
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bizzer12
2 years, 6 months ago
Selected Answer: D
performance degradation at busy times, best to put into autoscaling group and not pay for on demand servers
upvoted 1 times
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jxp09
2 years, 7 months ago
A should be the answer :)
upvoted 2 times
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