I am already a Certified Associate in Photoshop CS3 and am looking to upgrade my skills. I understand Expert is a lot harder than Associate.
there are 6 questions about automation to be more precise
I would not count on this. I understand that there is a pool of questions in the exams, and the ones that each person gets varies randomly. (It was like that back when I got my ACE.)
So different users may or may not get the same number of questions on any one area. You really want to be up on everything in the prep guide that Zeno points to.