3. You are an entrepreneur who has decided to develop a next gen photo sharing platform for Bangladesh, called 'Banglagram'. You are in the very early stages of your application design, and so far, you have come up with the following requirements: A secure registration and session management system for your users The main feed of the application will contain two tabs, one for viewing photos shared in your own state or region (e.g. Dhaka, Chittagong etc.) and the other for viewing photos shared across any and all regions There will be a search bar on all pages that will allow users to search for specific accounts and follow them The username of the currently logged in user should be present at the top of every page, and beside the username, there should be a Logout button that will allow the user to logout any time he/she wants. a) Assume that you are using the Model 2 architecture to design your web application. Now, which Java technologies are suitable to implement the different components of the web application mentioned above and where should each component lie in the said architecture? Justify your answer. b) Describe how you have ensured the concept of separation of concerns' through your architectural design solution. c) How will you implement the search bar functionality i.e. how will you ensure the presence of a search bar on every page? Explain your idea with a sample block of code. 10 5 5 d) Create a diagram to show the several stages of the lifecycle of JSP. What are the main lifecycle methods of JSP? 5