【名词&注释】
管理软件、周期性(periodicity)、网络工程(network engineering)、工作能力(work ability)、双绞线(twisted-pair)、工作量(workload)、通信线路(communication line)、维护费用(maintenance cost)、可行性。、软件系统升级
[单选题]关于项目目标的描述，不正确的是：()。
A. 项目可以有一个目标，也可以有多个目标
B. 项目目标可以量化，也可以不量化
C. 顶目的成果目标与约束目标可能会冲突
D. 项目目标应该是具体的、可实现的
查看答案&解析
举一反三：
[单选题]以下网络工程投资项目中，属于一次性投资的是(19)。
A. 双绞线等材料消耗费
B. 设备维护费用(maintenance cost)
C. 人员消耗费
D. 网络管理软件费用
[多选题]System analysis is traditionally done top-down using structured analysis based on（ ）. Object-oriented analysis focuses on creation of models. The three types of theanalysis model are（ ）. There are two substages of object-oriented analysis.（ ）focuses on real-world things whose semantics the application captures. The object constructedin the requirement analysis shows the（ ）of the real-world system and organizes it intoworkable pieces.（ ）addresses the computer aspects of the application that are visible tousers. The objects are those which can be expected to vary from time to time quite rapidly.
A. functional decomposition
B. object abstraction
C. data inheritance
D. information generalization
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