“微信扫一扫”进入"可可试卷"微信小程序刷题
你正负责为世界银行的一个大项目准备成本估计。因为你的估计需要尽可能的准确,所以你决定准备一个自下而上的估计。你的第一步是:
You are responsible for preparing a cost estimate for a large World Bank project. You decide to prepare a bottom-up estimate because your estimate needs to be as accurate as possible. Your first step is to
A.确定在进程中需要的计算工具 Locate a computerized tool to assist in the process
B.利用前面的项目成本估计来帮助准备这个成本估计 Use the cost estimate from a previous project to help you prepare this estimate
C.确定并且估计每一个工作包的成本 Identify and estimate the cost for each individual work item
D.向这个方面的专家咨询,并且将他们的建议作为你的估计的基础 Consult with subject matter experts and use their suggestions as the basis for your estimate
参考答案:C
解析:知识点出处:PMBOK 6th 页码:P244 章节:7.2.2.4 自下而上估算:自下而上估算是对工作组成部分进行估算的一种方法。首先对单个工作包或活动的成本进行最具体、细致的估算,然后把这些细节性成本向上汇总或“滚动”到更高层次,用于后续报告和跟踪。自下而上估算的准确性及其本身所需的成本,通常取决于单个活动或工作包的规模或其他属性。