[单选题]Configuration management system can be used in defining approval levels for authorizing changes and providing a method to validate approved changes.（）is not a project configuration management tool.

正确答案 ：B

QualityFunctionDeployment

[单选题]A （）is a collection of projects and other work that are grouped together to facilitate effective management ofthat work to meet strategic business objectives.

正确答案 ：B

portfolio

[单选题](1) is a method of constructing a project schedule network diagram that uses boxes or rectangles, referred to as nodes, to represent activities and connects them with arrows that show the dependencies.This method includes following types of dependencies or precedence relationships: (2) the initiation of the successor activity, depends upon the completion ofthe predecessor activity.(3) the initiation ofthe successor activity, depends upon the initiation ofthe predecessor activity.

正确答案 ：

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