jolting wrote: I have the MCDST exam 70-271 supporting users and troubleshooting a microsoft windows xp operating system book from microsoft. The practice test that came with the book is all to easy with me getting above 80% each time i take the random test. I also work been working as a DST for about 7 months over the telephone and took a class about 5 years ago from NIT in network administration. I do know some of windows XP but there is somethings that my job don't cover or the class covered.