AWS Certified Solutions Architect - Professional

AWS Certified Solutions Architect - Professional

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A company's solutions architect is tasked with evaluating an AWS workload that has been in operation for several years. The application tier is stateless and currently operates on a single, large Amazon EC2 instance launched from an AMI. The application's data is stored in a MySQL database hosted on another single EC2 instance. The application server frequently experiences 100% CPU utilization, leading to unresponsive behavior. Additionally, the company manually patches these instances, which has previously resulted in downtime. The company requires a solution that enhances the application's availability with minimal development effort. Which of the following solutions would best meet these requirements?