Crucial Exams

AWS Certified Developer Associate DVA-C02 Practice Question

A developer has deployed a new web application using AWS Elastic Beanstalk with a default t3.medium instance configuration. Before the production launch, the developer needs to ensure the underlying EC2 instances are right-sized to handle expected traffic efficiently and cost-effectively. What is the MOST effective approach to determine the optimal instance type and size?

  • Rely on the default Elastic Beanstalk managed scaling policies to handle load. Review the AWS Cost and Usage Report after the first month of production to make adjustments.

  • Use a load testing service to simulate production traffic against the Elastic Beanstalk environment. Analyze the application's performance metrics in Amazon CloudWatch and review the recommendations provided by AWS Compute Optimizer.

  • Switch the instance type to one used by an older, existing application with similar functionality, assuming the performance characteristics will be identical.

  • Vertically scale the instance to the largest size available in its family to preemptively avoid performance issues, then set a budget alarm using AWS Budgets to monitor for excessive costs.

AWS Certified Developer Associate DVA-C02
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