2) Assume that the query string approach has been used to pass information between the ordering page and the payment. Identify one possible threat that might occur. Suggest a solution to avoid this threat. 3) Visitors to the site will be able to register, redeem offer vouchers, and purchase hats. You expect site traffic to be steady through most of the year, but to peak just before Eid Al-Iftar. Should you recommend IIS or Cloud web server for hosting the site? Justify your answer? 4) Assume that we expect to have 2 different layouts: first layout for (i) & (ii) and a second layout for (iii) & (iv). Explain briefly how can we achieve this goal