网络工程师综合教程-第七章网络层基础及子网规划

互联网的各项应用，其实都是分层的，也就是各位网络达人常说的OSI七层模型。确定能够划分的网络数量，网络划分-Network Engineer Integrated Course- the basis of Chapter VII of the network layer and the application of the Internet subnet planning, in fact, are hierarchical, that is up to you often say the OSI seven layer network model. Determine the number of networks can be divided, the network division