It is possible to deploy Strategy Web JSP separately in a Web Server and a Web Application Server. The reason to separate this functionality is for the load to be distributed equally and to help the Application Server focus on dynamic tasks rather than serving static files, which can be done by the Web Server.
In a summary, the Web Server is the component that receives all the HTTP requests from the client machines. It only serves requests for static content, any other request is forwarded to the application server. On the other hand, the Web Application server Is the component that executes the business logic and generates the dynamic content. Modern application servers also contain a web server component, so there is no need to install an additional web server, however, some robust environments might need for the architecture to be handled by different CPU units. The following image, is a visual explanation fo the concepts above:
