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考试

1、计算机网络的组成分为那些部分?硬件方面:通过线缆将网络设备和计算机连接软件方面:应用程序通过通信线路进行互相通信 2、计算机网络中协议三要素有哪些?语法、语义、同步 3、简述OSI七层模型的作用?应用层:网络服务与...

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