New PMP Question & Answers with explanation

You are a project manager working for a technology company that develops smart Bluetooth-enabled wearables for dogs. The product currently under development features a harness that gently vibrates when the dog gets beyond a specified range from the owner’s smartphone. You are developing the application that controls the harness using an incremental approach and have decided to create a prototype to gain feedback from your top five customers. The prototype will contain only a subset of features. What technique is being used by the team?
Select one
A project manager looking to improve their emotional intelligence should focus on what?
Select two
You work for Writer’s Block, a service that reviews and critiques manuscripts for aspiring writers. You were assigned to be the project manager for a new computer system that logs, tracks, and saves submitted manuscripts along with the editor’s notes. You hired and worked with a vendor who wrote the system from scratch to your specifications. You are reviewing a report regarding certain aspects of the project’s performance, and one of the measurements on the report calculates the difference between the budget at completion and the estimate at completion. Which of the following does this describe?
Select one
You are using Crystal Red to manage your project. At the start of the project, you negotiated with leadership to colocate the team together within a large team for the duration of the project. Your intent is to set up an environment where team members can overhear conversations as they occur within the room to politely eavesdrop and engage in conversations as needed. What is this communication method called?
Select one
Adaptive life cycles are also known by what other name?
Select one