专业技术中级资格软件评测师基础知识2009年上半年软件评测师上午试卷

试卷预览

• 61● 在Windows系统中设置默认路由的作用是 （68） 。

  A.当主机接收到一个访问请求时首先选择的路由

  B.当没有其它路由可选时最后选择的路由

  C.访问本地主机的路由

  D.必须选择的路由

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• 62● 集线器是一种物理层联网设备，下面有关集线器的叙述中，错误的是 （69） 。

  A.集线器没有自动寻址能力

  B.连接在集线器上的故障设备不会影响其他结点通信

  C.集线器可以隔离广播风暴

  D.连接在集线器上的所有结点构成一个冲突域

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• 63● 用户访问某Web网站，浏览器上显示“HTTP-404”错误，则故障原因是  （70）  。

  A.默认路由器配置不当

  B.所请求当前页面不存在

  C.Web服务器内部出错

  D.用户无权访问

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• 64● For nearly ten years, the Unified Modeling Language (UML) has been the industrystandard for visualizing, specifying, constructing, and documenting the  （71）  of asoftware-intensive system. As the  （72）  standard modeling language, the UML facilitatescommunication and reduces confusion among project  （73） . The recent standardization ofUML 2.0 has further extended the language's scope and viability. Its inherent expressivenessallows users to  （74）  everything from enterprise information systems and distributedWeb-based applications to real-time embedded systems.    The UML is not limited to modeling software. In fact, it is expressive enough to model（75）  systems, such as workflow in the legal system, the structure and behavior of a patienthealthcare system, software engineering in aircraft combat systems, and the design ofhardware.    To understand the UML, you need to form a conceptual model of the language, and thisrequires learning three major elements: the UML's basic building blocks, the rules that dictatehow those building blocks may be put together, and some common mechanisms that applythroughout the UML.

  A.classes

  B.components

  C.sequences

  D.artifacts

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