New PMP Question & Answers with explanation

Name the difference between the agile iterative approach and the agile incremental approach as discussed in the Agile Practice Guide (PMI®, 2017).
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Which of the following statements regarding configuration management is not true?
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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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