SDLC was invented by IBM to replace the older Bisynchronous protocol for wide area connections between IBM equipment. A varietio

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问题 SDLC was invented by IBM to replace the older Bisynchronous protocol for wide area connections between IBM equipment. A varietion of the(71)protocol called NRM is essentially the same as SDLC.
SDLC is(72)protocol like HDLC, Frame Relay or X.25.An SDLC network is made up of(73)that controls all communications, and(74).It is capable of(75).operation, but almost all practical applications are strictly half duplex.

选项 A、a primary station
B、one or more primary stations
C、a secondary station
D、one or more secondary stations

答案D

解析

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本试题收录于：网络工程师上午基础知识考试题库软考中级分类

网络工程师上午基础知识考试

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SDLC was invented by IBM to replace the older Bisynchronous protocol for wide area connections between IBM equipment. A varietio

网络工程师上午基础知识考试

软考中级

the()isagraphthatshowstherelationshipbetweentwovariables.

SOAP(Simple Object Access Protocol，简单对象访问协议)是基于(26)的分布式对象通信协议。

TCP/IP(71)layer protocols provide services to the application(72)running on a computer. The application layer does not define th

Melissa and LoveLetter made use of the trust that exists between friends or colleagues. Imagine receiving an(71)from a friend wh

Melissa and LoveLetter made use of the trust that exists between friends or colleagues. Imagine receiving an(71)from a friend wh

Youaredevelopingaserver-sideenterpriseapplication．Itmustsupportavarietyofdifferentclientsincludingdesktopbrowse

多协议标签交换(MPLS，MultiprotocolLabelSwitch)是一种第三代网络架构技术，也是新一代的IP高速骨干网络交换标准。一旦在路由器上启用MPLS协议进程，路由器便开始邻居发现和标签交换。MPLS交换使用(1)协议进行邻居发现，使用

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在我国社会主义条件下，权力制约和监督的必要性表现为()。

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SOAP(Simple　Object　Access　Protocol，简单对象访问协议)是基于(26)的分布式对象通信协议。

TCP/IP(71)layer　protocols　provide　services　to　the　application(72)running　on　a　computer.　The　application　layer　does　not　define　th

Melissa　and　LoveLetter　made　use　of　the　trust　that　exists　between　friends　or　colleagues.　Imagine　receiving　an(71)from　a　friend　wh

Melissa　and　LoveLetter　made　use　of　the　trust　that　exists　between　friends　or　colleagues.　Imagine　receiving　an(71)from　a　friend　wh

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