Publisher's Note This is the 4th edition of the PMP Exam Prep, often called "Rita's book" by project management students, which has easily become the standard training material to help project managers pass the PMP exam. PMP Exam Prep is being used in over 43 countries. It is more than a series of sample exams. It is a comprehensive guide to get ready to pass the PMP exam. PMP Exam Prep goes beyond the material contained in the PMBOK incorporating input about project management from around the world. The emphasis on this publication is the tools you need to pass the exam and apply project management principles to real-world situations. Since the world of project management is constantly being updated, RMC prides itself on keeping its materials as up-to-date as possible with frequent edits and printings.