** Written for the revised PMBOK Guide 6th exam version per March 26, 2018 ** Oliver F. Lehmann's PMP® Exam prep app coaches you for the PMP® (Project Management Professional) examination, offered by PMI®. The PMP® credential is the most important and most widely accepted project management certification with a fast growing number of credential holders (over 790,000 by July 31, 2017). The test is hard to pass and candidates should be perfectly prepared for it. The set of questions, answers,