involves using mathematical techniques to forecast future outcomes based on historical results.
A．Trend analysis
B．Quality audit
C．Defect repair review
D．Flowcharting
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involves using mathematical techniques to forecast future outcomes based on historical results.
A．Trend analysis
B．Quality audit
C．Defect repair review
D．Flowcharting
● 以下不具有容错功能的是 （2） 。
（2）
A. RAID 0
B. RAID 1
C. RAID 3
D. RAID 5
在层次化网络设计方案中，通常在(68)实现网络的访问策略控制。
A．应用层
B．接入层
C．汇聚层
D．核心层
The(71) is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several(72). In a workflow system, a process is specified using the process definition tool. Usually, processes are defined in terms of a(73), which consists of(74) indicated using a circle, and(75) shown as a rectangle. These two components can be linked by means of a directed arc.
A．waterfall model
B．workflow reference model
C．evolutionary model
D．spiral model
局域网A为采用CSMA/CD工作方式的10Mbps以太网，局域网B为采用CSMA/CA工作方式的11Mbps WLAN。假定A、B上的计算机、服务器等设备配置相同，网络负载大致相同，现在分别在A、B上传送相同大小的文件，所需时间分别为Ta和Tb，以下叙述正确的是______。
A．Ta大于Tb
B．Ta小于Tb
C．Ta和Tb相同
D．无法判断Ta和Tb的大小关系
关于需求管理的描述，不正确的是(4)。
A．需求管理要确保利益相关方对需求的一致理解
B．需求管理要获取用户需求并定义产品需求
C．需求管理要与需求开发紧密合作
D．需求管理要取得利益相关方对需求的一致承诺