The ePractice Certification Exam for the Sun Certified Developer for Java Web services prepares students for Sun certification by acquainting them with the format of the exam and its questions, providing instant feedback regarding skill levels and gaps, and suggesting specific Sun Educational Services training to fill those gaps. The exam includes sample test questions, the correct answers including explanations, and suggestions for future study.This Sun ePractice exam is comprised of 210 questions, divided into three forms of 70 questions each.