New PMP Question & Answers with explanation

A project manager managing a small project has a total of 45 active stakeholders. How many lines of communication exist?
Select one
You are working on an Agile project that is most concerned about providing finished deliverables that the customer may use immediately. Which development life cycle are you most likely to use?
Select one
You recently joined an organization as a project manager. Your first project assignment involves a project that has been active for six months. The prior project manager retired from the company after a 20-year tenure. During your first week on the job, you notice that team members are experiencing a multitude of conflicts with one another. In leaning on your experience, you know that conflicts typically come about as a result of what?
Select three
Kristin has recently joined a growing startup company in the medical device industry. While she is considered an experienced project manager, the industry is new for her. To be effective, what should Kristin do?
Select one
Mike is a seasoned project manager who has been tasked with mentoring Bernard, a junior project manager. During a mentoring session, Mike stresses the importance of managing lines of communication and then asks Bernard how many stakeholders are engaged in his project. Bernard responds with 15. How many lines of communication must Bernard manage for his project?
Select one