单项选择题

在UML中，图是系统体系结构在某个侧面的表示，所有图在一起组成系统的完整视图。在UML九种图中，（）是静态图，（）是动态图。

在UML九种图中，（）是静态图。

A．序列图
B．配置图
C．协作图
D．数据流图

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单项选择题
Configuration management is the process of managing change in hardware, software, firmware, documentation, measurements, etc. As change requires an initial state and next state, the marking of significant states within a series of several changes becomes important.The identification of significant states within the revision history of a configuration item is the central purpose of （） identification.

A．baseline
B．value
C．cost
D．control
单项选择题
The standard (IEEE 802) format for printing（）in human-friendly form is six groups of two hexadecimal digits, separated by hyphens (-) or colons (:), in transmission order, e.g.01-23-45-67-89-ab, 1:23:45:67:89:ab. This form is also commonly used for EUI-64.

A．hard disk logical block address
B．IP address
C．mail address
D．MAC address
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