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问题:

[单选]

A ( )is a software that provides a method of communication between two electronic devices over the World Wide Web.
 

A . router
B . cober
C . J2EE
D . web service

In project management, a ( )is a list of a project’s milestones, activities, and deliverables, usually with intended start and finish date. Those items are often estimated in terms of resource allocation, budget and duration, linked by dependencies and scheduled events.   schedule。 WBS。 SOW。 charter。 ( )can be considered as part of risk mitigation.   Risk identification。 Purchasing insurance。 Assessment of outcomes。 Assessment of probabilities。 ( )is not the advantage of GERT (Graphical evaluation and review techniques)as compared with PERT (project evaluation and review techniques).   Allowing looping。 Allowing for dummy tasks。 Allowing branching。 Allowing multiple project end results。 以下关于变更控制委员会CCB的描述中,()是正确的 A、CCB是作业机构 。 B、CCB在审批变更是要提出变更方案 。 C、项目经理不能进入CCB 。 D、CCB的权利包含对初步资源的XXX。 以下关于需求变更策略的叙述中,()是错误的 A、所有需求变更必须遵循变更控制过程 。 B、对于未获得核准的变更,不应该做变更实现工作 。 C、完成了对某个需求的变更后,就可以删除或者修改变更请求的原始文档 。 D、每一个需求变更必须能追溯到一个经核准的变更请求。

A ( )is a software that provides a method of communication between two electronic devices over the World Wide Web.
 

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