New PMP Question & Answers with explanation

Which of the following tools can enhance the visibility of traditional written project plans and other documents to provide a real-time overview of the project status?
Select one
What is a control chart?
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A software team tracing the root cause of an application failure can use this to help determine the cause(s) of the failure:
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The Cost of Quality principle includes:
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The term ________ indicates the degree to which a particular product or service meets requirements, while _____________ indicates a category or rank used to distinguish that item from other similar items.
Select one