SAP-C02 Question #419: Real Exam Question with Answer & Explanation

Question

A company has migrated an application from on premises to AWS. The application frontend is a static website that runs on two Amazon EC2 instances behind an Application Load Balancer (ALB). The application backend is a Python application that runs on three EC2 instances behind another ALB. The EC2 instances are large, general purpose On-Demand Instances that were sized to meet the on-premises specifications for peak usage of the application. The application averages hundreds of thousands of requests each month. However, the application is used mainly during lunchtime and receives minimal traffic during the rest of the day. A solutions architect needs to optimize the infrastructure cost of the application without negatively affecting the application availability. Which combination of steps will meet these requirements? (Choose two.)

Options

• AChange all the EC2 instances to compute optimized instances that have the same number of
• BMove the application frontend to a static website that is hosted on Amazon S3.
• CDeploy the application frontend by using AWS Elastic Beanstalk. Use the same instance type for
• DChange all the backend EC2 instances to Spot Instances.
• EDeploy the backend Python application to general purpose burstable EC2 instances that have the

Explanation

Burstable EC2 instances, also known as T instances, provide a baseline level of CPU performance with the ability to burst CPU usage when additional cycles are available. They are designed for workloads that do not require sustained high CPU performance but occasionally need more CPU power. Burstable instances can be a cost-effective option for workloads that have moderate CPU requirements but still require flexibility to handle occasional spikes in

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