Don't fear the specs! The Notes of Mikalai Zaikin (lot of thank to him) are mostly an excerpt of the specs, sometimes I understood better by reading the spec itself.
I don't know the book "EJB3 in Action", sounds good.
You can't do the exam only by reading, you must act with these things.
- Ethuware 5 mock exams helped me a lot
- try things on a
EJB 3.0 Container (I used
JBoss, because it was already installed, next time I would try Glassfish)
Klaus
passed with 93%