New PMP Question & Answers with explanation

Your project has a high degree of uncertainty, high risk, evolving requirements, and cross-functional teams. Which of the following life cycle methodologies does this describe?
Select one
Name the difference between the agile iterative approach and the agile incremental approach as discussed in the Agile Practice Guide (PMI®, 2017).
Select one
Which of the following statements regarding configuration management is not true?
Select one
Your project has a high degree of certainty, firm requirements, a stable team, and low risk. Which of the following life cycle methodologies does this describe?
Select one
Project managers spend what percentage of their time communicating?
Select one