New PMP Question & Answers with explanation

Which of the following statements regarding configuration management is not true?
Select one
Your project has a high degree of certainty, firm requirements, a stable team, and low risk. Which of the following life cycle methodologies does this describe?
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Project managers spend what percentage of their time communicating?
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These types of dependencies can create arbitrary total float values and limit your scheduling options.
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The project sponsor has approached you with a dilemma. At the annual stockholders’ meeting, the CEO announced that the project you're managing will be completed by the end of this year. The problem is that this is six months prior to the scheduled completion date. It's too late to go back and correct her mistake, and now stockholders expect implementation by the announced date. You must speed up the delivery date of this project. Your primary constraint before this occurred was the budget. Choose the best action from the options listed to speed up the project.
Select one