I can answer both questions with "it depends on the scenario".
Each PMP Exam question has to be viewed separately. One question will be this way and another question will be that way. It depends 100% on how the question was developed and framed.
My recommendation is always the same: Don't worry too much about how a question could be asked or not asked. The PMP exam doesn't try to "trick" you. It tests your understanding of general PM concepts.
That much said: Each question on the exam will have the correct amount of information needed for you to find the correct answer.
Until Next Time,
Cornelius Fichtner, PMP, CSM
President, OSP International LLC
Moderators: Yolanda Mabutas, Ahmed Amin, Scott Gillard, Mary Kathrine Padua, ERIC BARTLETT, Gail Freedman, Kevin Nason, Steven Mudrinich, PMP, Mark Wuenscher, PMP, John Wolverton, Tracy Shagnea, PMP, Jada Garrett
This interview with Simona Fallavollita (LinkedIn Profile) was recorded at the magnificient Project Management Institute (PMI)® Global Conference 2017 in Chicago, Illinois. We discuss the how, what, why and when of the changes that are coming to the PMP exam.