New PMP Question & Answers with explanation

Which of the following can you use in addition to the probability and impact matrix to prioritize risks?
Select four
All of the following statements are true of the project Closing process group except for which one?
Select one
The Plan Procurement process applies evaluation criteria to bids and proposals and selects a vendor. It also uses independent estimates to compare vendor prices. This is also known as which of the following?
Select one
Who is responsible for performing and managing project integration when using an agile project management approach?
Select one
According to the PMBOK® Guide, which of the following names all the components of an interactive communication model?
Select one