In the final analysis, knowledge breeds confidence and confidence breeds success. If you study the material in this book carefully and review all the exam prep question at the end of each chapter, you should become aware of those areas where additional learning and study are required.
Next, follow up by reading some or all of the materials recommended in the "Need to Know More?" section at the end of each chapter. The idea is to become familiar enough with the concepts and situations you find in the sample questions that you can reason your way through similar situations on a real exam. If you know the material, you have every right to be confident that you can pass the exam.
After you have worked your way through the book, take the practice exams in Chapters 15 and 17. This will provide a reality check and help you identify areas you need to study further. Be sure that you follow up and review materials related to questions you miss on the practice exams before scheduling a real exam. Take the real exam only when you have covered all of the ground and feel comfortable with the entire scope of the practice exam.
Armed with the information in this book and the determination to augment your knowledge, you should be able to pass the certification exam. You need to work at it, however; otherwise , you will spend the exam fee more than once before you finally pass. If you prepare seriously, you should do well. Good luck!