项目管理专业人士资格认证（PMP）题库（1459题）

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一个项目开始时，项目经理必须准备一份快速、高层级的成本估算，该项目经理之前管理过一个具有类似规模和复杂性的项目。项目经理应该使用下列哪项工具或技术来准备估算？
At the beginning of a project,a project manager must prepare a quick,high-level cost estimate. The project manager previously worked a project of similar size and complexity. What tools and techniques should the project manager use to develop the estimate?

A.专家判断和类比估算 Expert judgment and analogous estimating.

B.自下而上估算和储备分析 Bottom-up estimating and reserve analysis.

C.三点估算和质量成本(COQ) Three-point estimating and cost of quality(COQ).

D.自上而下估算和制定决策 Top-down estimating and decision making.

知识点：PMP强化练习题（二）

参考答案：A

解析：PMBOK(6)P244- 7.2.2.2 类比估算。成本类比估算使用以往类似项目的参数值或属性来估算。做过类似的项目，可以采用类比估算。