●（75） has become a fact of modem life, with millions of people now shopping  on-line.

试卷相关题目

• 1●The data（74） includes the function of updating data on a database, and retrievingdata from a database.

  A.management

  B.storage

  C.analysis

  D.communication

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• 2●TCP/IP （73） are the standards around which the Internet was developed.

  A.protocols

  B.agreements

  C.conventions

  D.coordination

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• 3●C++ fully supports（72）programming, including the four properties：encapsulation,data hiding, inheritance, and polymorphism.

  A.computer-oriented

  B.procedure-oriented

  C.object-oriented

  D.aspect-oriented

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• 4●Software（71） refers to that the software to meet the specification must beproduced.

  A.test

  B.support

  C.development

  D.process

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• 5●下面关于交换机的说法中，正确的是（70）。

  A.以太网交换机可以连接运行不同网络层协议的网络

  B.从工作原理上讲，以太网交换机是一种多端口网桥

  C.集线器是一种特殊的交换机

  D.通过交换机连接的一组工作站形成一个冲突域

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