New PMP Question & Answers with explanation

Kristin has recently joined a growing startup company as a project manager in the medical device industry, reporting to the head of research and development. During her first week, she spends time familiarizing herself with the organization and her responsibilities. She is pleasantly surprised to learn that she will be directly responsible for managing her own project budgets. What type of organizational structure does Kristin work within?
Select one
The lowest level of the WBS is referred to as which of the following?
Select one
You have been assigned a new project and meet with your manager to discuss it further. The PMO organization has been on a journey over the past six months to become an Agile PMO. Your manager shares that the new project should be managed using an adaptive approach to support the direction of the team. He further clarifies that the project will be highly constraint-driven with a strong focus on quality and time and that the executive team expects incremental builds. Which of the following adaptive approaches should you use to manage this project?
Select one
You are a senior project manager working at a manufacturing plant that produces components used by the aviation industry. You are using a combination of lean and waterfall to manage a project and are in the process of implementing approved changes. What process group do these process activities belong to?
Select one
All of the following are benefits of virtual teams except for which one?
Select one