New PMP Question & Answers with explanation

The VP of customer service has expressed concern over a project in which you're involved. His specific concern is that if the project is implemented as planned, he'll have to purchase additional equipment to staff his customer service center. The cost was not taken into consideration in the project budget. The project sponsor insists that the project must go forward as originally planned or the customer will suffer. Which of the following are true?
Select two
A project is considered successful when __________________.
Select one
Which of the following state the four main components of maintaining project artifacts?
Select four
You are a project manager for Zippy Tees. Your selection committee has just chosen a project you recommended for implementation. Your project is to manufacture a line of miniature stuffed bears that will be attached to your company's trendy T-shirts. The bears will be wearing the same T-shirt design as the shirt to which they're attached. Your project sponsor thinks you've impressed the big boss and wants you to skip to the manufacturing process right away. What is your response?
Select one
Which of the following is true?
Select one