New PMP Question & Answers with explanation

You are managing a software development project with a team that is colocated. The project is managed through a set of iterations that begin with the creation of story cards. The focus of each iteration is to deliver business value, with programmers working together in pairs and as a group. Which of the following are true regarding this question?
Select two
Marysil is an enterprise project manager for Cups on Fire. She is managing the implementation of an enterprise relationship management system using a hybrid of waterfall and Scrum. In preparation for a meeting with the sponsor, Marysil plans to review how much work the team has and whether they will finish on time. Which of the following are useful point-in-time measurements that Marysil may use?
Select three
You are a lead project manager for a company that develops and manufactures healthcare devices. Recently, your team went through major organizational changes, which required resource shifts within project teams. One of your projects experienced a 50 percent change in team member assignments. While the change posed challenges initially, the team has finally settled and are focused on the project. What phase of the team development model is your project team currently in?
Select one
As a result of a face-to-face meeting you recently had, you have resolved an issue and have come away with an update to the issue log, change requests, project management plan updates, and project documents updates, and you have submitted a change request. You know all of the following are true regarding this except which one?
Select one
Your project team is struggling to complete the latest set of features, which requires advanced knowledge of facial recognition technology. After considering various options, you decide to create a war room. What are you hoping to accomplish?
Select one