New PMP Question & Answers with explanation

Which of the following describes who is responsible for the quality assurance of the project?
Select one
Contract phases are closely related to the Project Procurement Management Knowledge Area processes. Which of the following are true?
Select three
Roshoud is serving as the project sponsor for a high-visibility project within the Galactic Kidz corporation. During a weekly executive status meeting, he expresses concern regarding quality assurance and requests an update. Quality assurance is most concerned with what?
Select one
Sally is a project manager who works at Galactic Kidz. While managing the execution of the project team’s work, she notices that two critical activities are delayed and decides to speak to the project sponsor. What action are Sally and the project sponsor likely to take?
Select one
You work within a team that uses a feature-driven development approach to manage software projects. As the senior project manager on the team, you know from experience the criticality of communication. You often coach other project managers on the various elements of communication, which are incorporated within the models of communication exchange. Which of the following best explains these communication elements?
Select one