IPv6 is short for“Internet Protocol Version 6”．IPv6 is the “next gene-考呗网题库移动版

单选题IPv6 is short for“Internet Protocol Version 6”．IPv6 is the “next generation” protocol designed by the IETF to（　　）the current version Intemet Protocol，IP Version 4("IPv4”)．

A． substitution
B． swap
C． switchover
D． replace

参考答案D

解析:IPv6是“互联网协议第6版”的简称，它是由IETF设计的下一代互联网协议，目的是取代(Replace)现有的互联网协议第4版(IPv4)。

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单选题The Unified Modeling Language is a standard graphical language for modeling object－oriented software．（　　） can show the behavior ofsystems in terms ofhow objects interact with each other．

A． Class diagram
B． Component diagram
C． Sequence diagram
D． Use case diagram

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单选题SWOT analysis is a kind of risk identification method．If the project team chose me WT strategy, they should（　　）．

A． overcome the weakness and reduce the threat
B． make full use of the advantage and reduce the threat
C． overcome the weakness and catch the opportunity
D． make full use of the advantage and catch the opportunity

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单选题The（　　）Process Group consists of the processes used to complete the work defined in the project management plan to accomplish the project’s requirements.

A． Planning
B． Executing
C． Monitoring and Controlling
D． Close－out

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