A task has an early start of day three, a late start of day 13, an early finish of day nine, and a latefinish of day 19. What is the task’s float?一个活动最早开始日期为第3天,最后开始日期为第13天,最早结束日期是第9天,最晚结束日期是第19天。这个任务的浮动时差是?
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An activity that consumes no time or resources and shows only that a dependency exists between two activities is called: 不消耗时间和资源,仅显示两个活动之间依赖关系的活动被称为:
A milestone 里程碑
B. A hammock汇总活动
C. A dummy activity虚活动
D. b and c b和c
The activity attributes will be updated as the project progresses. In the initial stage of the project, the activity attributes include 活动属性会随着项目的进展而不断更新,在项目初始阶段,活动属性包括()。
Activity name, activity description and logical relationship 活动名称、活动描述和逻辑关系
B. Activity name, activity description and activity resource requirements 活动名称、活动描述和活动资源需求
C. Activity ID, WBS ID and activity name 活动标识、WBS标识和活动名称
D. Activity identification, activity description, predecessor activity and successor activity活动标识、活动描述、紧前活动和紧后活动
To calculate the late start and late finish dates for a set of tasks, you must do: 计算一系列任务的最晚开始和最晚结束时间,你必须:
An analysis of the critical path 分析关键路径
B. A forwards pass利用正推法计算
C. A backwards pass利用逆推法计算
D. A and C A和C
Which estimating technique(s) uses a statistical relationship between historical data and other variables?运用历史数据和其他变量之间的统计关系的估算方法是:
Analogous Estimating.类比估算
Bottom-up estimating自下而上估算
C. Parametric estimating参数估算
D. Statistical estimating统计估算