第74题： 某单位进行信息系统的开发，软件开发过程中，严格按照制定开发计划、需求分析、软件设计、编码、测试及运行维护的过程进行，每一个阶段的工作结束后都得到确认后，才能继续进行下一项活动，并且注重每一个阶段的文档管理。这个过程采用的是（） 。
A．原型模
B．瀑布模
C．螺旋模
D．喷泉模型
答案解析与讨论：www.cnitpm.com/st/6803721206.html

第75题： 以下不属于光缆测试的方法的是（） 。
A．连通性测试
B．端-端的损耗测试
C．收发功率测试
D．特性阻抗测试
答案解析与讨论：www.cnitpm.com/st/6803829256.html

第76题： （）is the Budgeted amount for the work actually completed on the schedule activity or WBS component during a given period.In project time management processes,（）involves identifying and documenting the relationships between project activities.（）in not inc1uded in Control Quality input documents.Both TCP and UDP belong to（）layer of the OSI mode.Cloud computing provides on-demand service to users by using distributed computing and（）resource management.
A．network
B．virtual
C．centralized
D．specialized
答案解析与讨论：www.cnitpm.com/st/6803918071.html

第78题： （）is the Budgeted amount for the work actually completed on the schedule activity or WBS component during a given period.In project time management processes,（）involves identifying and documenting the relationships between project activities.（）in not inc1uded in Control Quality input documents.Both TCP and UDP belong to（）layer of the OSI mode.Cloud computing provides on-demand service to users by using distributed computing and（）resource management.
A．Project management plan
B．Project documents
C．Quality problems report
D．Work performance data
答案解析与讨论：www.cnitpm.com/st/680414557.html

第79题： （）is the Budgeted amount for the work actually completed on the schedule activity or WBS component during a given period.In project time management processes,（）involves identifying and documenting the relationships between project activities.（）in not inc1uded in Control Quality input documents.Both TCP and UDP belong to（）layer of the OSI mode.Cloud computing provides on-demand service to users by using distributed computing and（）resource management.
A．activity defifinition
B．activity sequencing
C．schedule control
D．schedule development
答案解析与讨论：www.cnitpm.com/st/6804229128.html

第80题： （）is the Budgeted amount for the work actually completed on the schedule activity or WBS component during a given period.In project time management processes,（）involves identifying and documenting the relationships between project activities.（）in not inc1uded in Control Quality input documents.Both TCP and UDP belong to（）layer of the OSI mode.Cloud computing provides on-demand service to users by using distributed computing and（）resource management.
A．Planned value
B．Actual cost
C．Earned value
D．Cost variance
答案解析与讨论：www.cnitpm.com/st/680438764.html