New PMP Question & Answers with explanation

Sandra is managing an ERP system deployment project. Due to the complexity of the project and the number of project stakeholders involved, she decides to use a multi-criteria decision analysis for reviewing all change requests. What should be her first step in establishing this?
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You work at a software company that authors Material Safety Data Sheets (MSDS) for chemical companies. Prior to releasing the MSDS to the company, you have created a list of items for review to ensure they appear in the document. These items include chemical name, CAS#, protection required, what to do in an emergency, etc. This list is an example of what type of tool?
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Which of the following is NOT a valid project schedule presentation format:
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Andy is currently working for ABC Contractors as a quality control manager for a railway track construction project. National Railways awarded this cost-plus construction contract to ABC Contractors a few months ago. As a contractual requirement, ABC Contractors has to submit each completed deliverable for client acceptance. Reviewing project data, Andy found that the current submission rejection rate is 22 percent. He conducts a root cause analysis and submits his findings along with construction process improvement recommendations to the project director. In this scenario, Andy’s report is an example of:
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Caitlin’s project is behind schedule. She is planning to crash the project by allowing overtime to the project team. This approach can bring additional risks to the project. Which of the following is not a valid risk in this scenario:
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