"计算机网络第七版考试知识点整理及互联网基础结构发展总览"

"Computer Networks (7th Edition) Exam Knowledge Points Summary.pdf; Computer Networks (7th Edition) Exam Knowledge Points Summary.pdf; Computer Network》 Summary Data Chapter 1 Overview 1. The two major functions of computer networks: connectivity and sharing; 2. Computer networks (referred to as networks) are composed of nodes and links connecting these nodes. Nodes in the network can be computers, hubs, switches, or routers. 3. The three stages of the development of the basic infrastructure of the Internet: ① The process from a single network ARPANET to the development of the Internet. ② The Internet with a three-tier structure. ③ The gradual formation of the multi-level ISP (Internet service provider) structure of the Internet. 4. The formal standards for the Internet are developed through the following three stages: ① Internet Draft ② Proposed Standard ③ Internet Standard 5. The composition of the Internet: ① Edge part: composed of all hosts connected to the Internet, this part is directly used by users. The edge part of the Internet is all hosts connected to the Internet, these hosts are also called end systems. (Communication between processes) Two types of communication: client-server mode: this mode is the most common and traditional mode on the Internet. Clients and servers are;"...