上面第5空（ ）

试卷相关题目

• 1上面第2空（ ）

  A.regarded

  B.well-suited

  C.worked

  D.used

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• 2上面第3空（ ）

  A.interfaces

  B.functions

  C.logics

  D.formats

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• 3上面第2空（ ）

  A.structure

  B.style

  C.technology

  D.method

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• 4We initially described SOA without mentioning Web services，and vice vers

  A.This is because they are orthogonal service-orientation is an architectural（ 1 ），while Web services are an implementation（ 2 ）.The two can be used together，and they frequently are，but they are not mutually dependent.For example,although it is widely considered to be a distributed-computing solution,SOA can be applied to advantage in a single system,where services might be individual processes with well-defined（ 3 ）that communicate using local channels，or in self-contained cluster，where they might communicate across a high-speed interconnect.Similarly, while Web services are （ 4 ）as the basis for a service-oriented environment，there is nothing in their definition that requires them to embody the SOA principles.While （ 5 ）is often held up as a key characteristic of Web services，there is no technical reason that they should be stateless—that would be a design choice of the developer，which may be dictated by the architectural style of the environment in which the service is intended to participate.A.design

  B.style

  C.technology

  D.structure

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• 5下面关于IP地址和MAC地址说法错误的是（  ）。

  A.IP地址长度32或128位，MAC地址的长度48位

  B.IP地址工作在网络层，MAC地址工作在数据链路层

  C.IP地址的分配是基于网络拓扑，MAC地址的分配是基于制造商

  D.IP地址具有唯一性，MAC地址不具有唯一性

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