Dear all, I just fail passing this upgrade exam which I feel really hard, becasue it includes 3 exams in one... I get a lot of question based on Real web application design if Farm web server environement which correspond to initial exam 70-548 PRO: Designing and Developing Windows-Based Applications . This kind of environement is really hard to simulate if you have not doen sommany of those case ... Is tehre any link which point an on line study for Designing and Developing Windows-Based Applications . ? Does anyone could give me a hit on our to approcha my second chance ...? thnaks for help serge