An organization runs its web application on EC2 instances within an Auto Scaling group. The EC2 instances is behind an Application Load Balancer and is deployed across multiple Availability Zones. The developers of the organization have introduced fresh features to the web application, but require to be tested before implementation to prevent any interruptions. The organization requires that the deployment strategy should: Deploy a duplicate fleet of instances with an equivalent capacity to the primary fleet. Keep the original fleet unaltered while the secondary fleet is being launched. Shift traffic to the secondary fleet once it is completely deployed. Automatically terminate the original fleet one hour after the transition. Which of the following is the MOST suitable solution that the DevOps Engineer should implement?