IP datagram format IP protocol version 32 bits Imber total datagram header lenath lver/head pe length(bytes) (bytes) Hlen service

Assignment: read Part I: Introduction chapter 1 in text ur goa Overview: get contex↑ what's the Internet overview.\feel\of what's a protocol?

7.1 What is network security? 7.2 Principles of cryptography 7.3 Authentication 7.4 Integrity 7.5 Key Distribution and certification 7.6 Access control: firewalls 7.7 Attacks and counter measures 7.8 Security in many layers

《计算机网络与通讯》课程教学资源（PPT课件讲稿，英文版）Chapter 3 Transport Layer

Chapter Overview: understand principles transport layer services behind transport layer 0multiplexing/demultiplexing services: 0connectionless transport: UDP multiplexing/demultiplex

第12讲网页设计与编程(三) 一、CG概念和PHP程序设计基础

一、因特网与TCP—因特网的协议 二、DNS 三、TCP、UDP

一、普通网站的基本构成 二、Web中的静态和动态网页 三、Web服务器环境的安装 四、Web网页的发布和访问

Dezina Brittania Theme nice blue/white theme which was originally based on Somara \s Red-White-Blue

一、HTML句法结构 二、HTML文档结构和常用元素 三、HTML标准单位 四、HTML基本元素的使用 五、HTML的其他元素