Poonam Don't over prepare you might get lost if you try to go through all Spec! Just go through what is out line for test! I am not going through any Spec just HFSJ.
Good Luck
AR
yes you can find your required information from http://www.sun.com/training/catalog/courses/CX-310-084.xml and www.certpaper.com. The second one site link will help you get all information about JSP 2.0 Specification. You can get some study material as well practice test with latest expected questions and expected answers.