大型信息技术项目一般在需求不十分清晰的情况下开始,项目分成两个主要阶段:需求定义阶段和需求实现阶段。关于大型信息技术项目的需求管理, ( ) 的说法是正确的。
- A.为了计划的严肃性,项目计划在需求定义完成时,不能进行大的修订
- B.项目需求定义和需求实现通常是由不同的组织完成的
- C.项目需求定义和需求实现一般是由一方完成的
- D.项目WBS可以按照组织结构、可交付物、基准计划三个层面进行分解
正确答案及解析
正确答案
解析
首先利用排除法,从B和C选项是相互矛盾的收入,正确答案是其中之一。通常情况下,需求定义是由专业的咨询公司完成的,而需求实现是由系统集成公司完成的。随着项目开展,需求逐步清晰的时候,会导致项目的实际状况和计划差异较大,所以项目计划在需求定义完成时,应该进行一次较大的修订。 项目WBS可以按交付物、项目生命周期、子项目三个层面进行分解。
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