I have removed the question you posted, because as you said yourself, the question is a real question from the real PMP exam, and we are NOT allowed to discuss those questions at all.
As a reminder: You have signed a waiver with PMI in which you stated that you will not discuss such questions.
Training for Project Management Professional (PMP)®, PMI Agile Certified Practitioner (PMI-ACP)®, and Certified Associate in Project Management (CAPM)®