New PMP Question & Answers with explanation

You are holding end-of-phase meetings with your team members and key stakeholders to learn what has hindered and helped the project team's performance of the work. Which of the following options are true regarding this question?
Select three
You know that the next status meeting will require some discussion and a decision for a problem that has surfaced on the project. You need to ensure that the impediment on the project is resolved at this meeting. To make the most accurate decision, you know that the number of participants in the meeting should be limited to how many?
Select one
You have accumulated project information throughout the project and regularly post it to the project site. You just received some important information that you need to ensure the stakeholders receive as soon as possible. Which of the following are true regarding this question?
Select one
Receivers in the communication model filter their information through all of the following. (Choose all that apply.)
Select all right
You have been hired as a contract project manager for Grapevine Vineyards. Grapevine wants you to design an Internet wine club for its customers. Customers must register before being allowed to order wine over the Internet so that legal age can be established. You know that the module to verify registration must be written and tested using data from Grapevine's existing database. This new module cannot be tested until the data from the existing system is loaded. You are going to hire a vendor to perform the programming and testing tasks for this module to help speed up the project schedule. You decide to use an IFB and include a detailed SOW. This is an example of which of the following?
Select one