New PMP Question & Answers with explanation

Agile practices promote dedicated team members. When this is not the case, team members must multitask and experience productivity losses. On average, what range of productivity loss occurs?
Select one
A predictive life cycle approach is characterized by which of the following?
Select two
Which of the following are elements captured within the team charter?
Select two
During a meeting with the team, you collaborate to prepare stories for the upcoming iteration, with the intention of providing enough information about the stories for the team to understand what the stories are and determine sizing. In what activity are you engaged?
Select one
What is the most commonly used method of performance measurement?
Select one