New PMP Question & Answers with explanation

All team members have not yet been hired for a project. However, the project manager went ahead with estimating activity durations, budgeting, and other activities. What could likely happen to the activity durations?
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A project manager had scheduled a number of training programs for his team. However, he was aware that apart from planned training, unplanned training also took place in a number of ways. Which of these is not one of the ways in which unplanned training can take place?
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Your project team members have just started to work together and are now adjusting their work habits and behaviors to support each other. Which stage of the Tuckman ladder has your team just entered?
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A project was awarded based on a competitive proposal. Management made a commitment that a few key team members would work on the project. When such assignments happen, they are:
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Which tool is BEST used to display how a company structures itself departmentally?
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