New PMP Question & Answers with explanation

While the five process groups are usually completed in order, they often overlap with each other throughout the project. Which two process groups usually do not overlap during the course of the project?
Select one
Which of the following inaccurately describes a prototype?
Select one
A ______ is a collection of projects or programs grouped together for strategic business needs.
Select one
A project manager wants to use a group decision-making technique to generate, classify and prioritize requirements. Which of these is not a valid group decision-making technique?
Select one
A project manager approaches you to understand the Work Breakdown Structure (WBS) in better detail. You tell her that:
Select one