New PMP Question & Answers with explanation

Which of the following best describes virtual teams?
Select one
With the first major milestone around the corner, the project manager has decided to move all the active project team members to a war room. This is an example of:
Select one
Which of the following best defines internal rate of return (IRR)?
Select one
Tom is a project manager working for a reputable editorial agency specializing in exam preparation. He and his team use Agile approaches to manage projects. Because of the company’s growth, three new project managers have been hired, and Tom has stepped up to mentor the new hires. Given their limited experience with Agile, he decides to walk them through the four values and twelve principles that define Agile in order to help them adopt an Agile mindset. What is Tom reviewing with the project managers?
Select one
Susan and David are both project managers for Blazing Broadband Internet Solutions, but they work in different divisions of the company, each having led numerous successful projects for the organization. They have been teamed together to find innovative solutions to problems on a new project, including ways of harmonizing the group of stakeholders in order to accomplish the project objectives. What skill set will Susan and David need to use to facilitate consensus on project objectives, influence stakeholders to support the project, and negotiate agreements?
Select one