Layers 1 and 2 are the physical and data link layers, respectively, fulfilled by the Ethernet network.

层1和层2分别是物理层和数据链接层，通过以太网实现。

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To avoid the problem of mutual infiltration between the system network, especially through the Ethernet network of the signal safety data communication network.

避免系统网络之间的相互渗透问题，尤其是通过以太网络对信号安全数据通信网的渗透问题。

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Secondly, the operation instructions of the control network technique in the integrated batch control system are carefully explained, especially the details of the Ethernet network.

深入研究了控制网络技术在综合化、集约化间歇控制系统中的应用方法，特别分析了工业以太网的性质和特点。

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The WBI machines are subject to outside security threats because they employ Windows XP operating system and the Ethernet network.

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An 802.11b network is meant to specifically replace the Ethernet cords you now need to connect your PC to a local area network.

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Also, given the possibility of network sniffing, use switched Ethernet hubs wherever possible to isolate traffic (thus minimizing the amount of sniffable information).

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