Introduction - If you have any usage issues, please Google them yourself
L2 data network with a variety of different communication protocol and frame structure, the network node device can be of various types of data switches (X.25, FR, Ethernet and ATM packet switches, etc.) and L3 data network (IP network or internet) have a unified TCP/IP communication protocol and packet structure, the whole network using a unified format for the IP address, node equipment reunification-oriented connectionless router. In order to facilitate understanding, we can L3 data network simply interpreted as a data network built on the L2 platform for a network router.
Packet : 377241159927428netengineer.rar filelist
网络工程师资料\chapter1.pdf
网络工程师资料\chapter10 应用层.pdf
网络工程师资料\chapter11 INTERNET的发展.pdf
网络工程师资料\chapter12 网络操作系统.pdf
网络工程师资料\chapter2.pdf
网络工程师资料\chapter3.pdf
网络工程师资料\chapter4 数据链路层.pdf
网络工程师资料\chapter5 局域网.pdf
网络工程师资料\chapter6 广域网.pdf
网络工程师资料\chapter7 网络层.pdf
网络工程师资料\chapter8 传输层.pdf
网络工程师资料\chapter9 会话层和表示层.pdf
网络工程师资料\内容简介.txt
网络工程师资料\前 言.txt
网络工程师资料\目录.txt
网络工程师资料