lol read the pamphlet to get a hint from that. look at the sponsor companies to try and get a jist of what you could be working in. and then have a back up answer for everything on your application
beyond that i know jack crap abt ISM, cept their first years had to do info sys subjects (obviously) that werent terribly interesting. also try and look up the fce handbook, in my year it was this snazzy grey thing, it has like outlines of a "typical" major and what subjects you would do, dont know if ISM is there but if it is itll tell you what you would actually study
good luck!