although i'm not a CCIE'r i'm pretty sure that if u just make sure that u understand all the CCIE related topics (u want to pass) u don't need to bother which question u will be asked. There's not such i thing as general interview question i think (except the very basic ones ofcourse)
For a purpose I did some analysis of discussion ratings. I would like to share those numbers as they may interests someone.
I analyzed rating of discussions in LAN, Switching and Routing community.
Total number of discussions