A 3D printing company has developed a proof-of-concept application that is running on AWS Elastic Beanstalk. The application displays a list of products that are available for 3D printing, in addition to any available customizations. When the company deploys new versions of the application, the company wants to ensure that there is no application downtime. Additionally, the application must remain at the same level of server capacity throughout the deployment. Which deployment strategies will meet these requirements? (Choose two.)