New PMP Question & Answers with explanation

You are working on a project that was proceeding well until a manufacturing glitch occurred that requires corrective action. It turns out the glitch was an unintentional enhancement to the product, and the marketing people are absolutely crazy about its potential. The corrective action is canceled, and you continue to produce the product with the newly discovered enhancement. As the project manager, you know that a variance has occurred. Which of the following options is true?
Select one
The Delphi method, technology forecasting, and forecast by analogy are examples of what category of forecasting methods?
Select one
Your project is in a bit of trouble. You are in the Control Resources process and the specialized equipment you were expecting for the next set of project tasks is not available. The truck with the equipment was stolen and the vendor providing the machine you need has only two of them. The other is already deployed on another job. Which of the following are true?
Select three
Your project was kicked off more than two years ago. Your stakeholders are not as engaged as they once were on this project. There are only four months to go until the project is complete. Which of the following are true regarding this scenario?
Select one
You are holding a regularly scheduled status meeting for your project. You know all of the following are true regarding status meetings except which one?
Select one