模型的网络层 meaning in Chinese

network layer osi model osi
network layer，osi model osi

Network layer osi model osi
模型的网络层
Which two cisco ios commands can be used to verify connectivity above the network layer of the osi model
题目的准确翻译为：哪两个ios的命令可以验证osi模型的网络层以上各层的连通性。
Functioning at the network layer of the open systems interconnection model , the packet - encryption device at the originating site encrypts the entire packet , including the ip header , and provides it with a new header
由于是在“开放系统互连”模型的网络层上起作用的，始发站上的包加密装置对整个包加密，包括ip报头，都提供一个拥有新报头的包。