New PMP Question & Answers with explanation

A ______ is a collection of projects or programs grouped together for strategic business needs.
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A project manager wants to use a group decision-making technique to generate, classify and prioritize requirements. Which of these is not a valid group decision-making technique?
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A project manager approaches you to understand the Work Breakdown Structure (WBS) in better detail. You tell her that:
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While managing a project, you have included the product acceptance criteria in the Quality Management Plan. While reviewing your plan, a senior manager asks you to reconsider this. You then realize that what you did is incorrect. Where should you place the product acceptance criteria?
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Establishing control accounts for the work packages and a unique identifier from a code of accounts finalizes the WBS. This provides a structure for hierarchical summation of:
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