New PMP Question & Answers with explanation

Why are the approved change requests input to the Direct and Manage Project Work process?
Select one
Which of the following is neither an input nor an output of the Direct and Manage Project Work process?
Select one
A project can be authorized by any of the following except:
Select one
Procurement statement of work (SOW) is a narrative description of the products or services to be delivered by the vendor. It usually references all the following except:
Select one
A project charter that formally authorized a project was created. The project charter documented the initial requirements to satisfy stakeholders' needs and expectations. How often should the project charter be revised?
Select one