This week's book giveaway is in the General Computing forum. We're giving away four copies of Arduino in Action and have Martin Evans, Joshua Noble, and Jordan Hochenbaum on-line! See this thread for details.
I am still working with WSAD and just had an exposure to RSA 7.0 since last couple of months.
My preparation time was everyday 2-3 hrs everyday for a week and the weekend. There were around 25 questions asking for the best answer. All you need is to read the questions carefully and answer.
IBM PDF, Mikalai Zaikin notes and Mock Exam should be enough to clear the exam.