电子商务概论知识(ppt 87页)

Chapter 2
Learning Objectives
Learning Objectives (cont’d.)
Introduction
The Internet and the World Wide Web
The Internet and the World Wide Web (cont’d.)
Origins of the Internet
New Uses for the Internet
New Uses for the Internet (cont’d.)
Commercial Use of the Internet
Growth of the Internet
Growth of the Internet (cont’d.)
The Internet of Things
Packet-Switched Networks
Packet-Switched Networks (cont’d.)
Routing Packets
Routing Packets (cont’d.)
主要内容
Public and Private Networks
Virtual Private Network (VPN)
Intranets and Extranets
Internet Protocols
TCP/IP
IP Addressing
IP Addressing (cont’d.)
Electronic Mail Protocols
Electronic Mail Protocols (cont’d.)
Web Page Request and Delivery Protocols
Web Page Request and Delivery Protocols (cont’d.)
Emergence of the World Wide Web
The Development of Hypertext
The Development of Hypertext (cont’d.)
Graphical Interfaces for Hypertext
The World Wide Web (cont’d.)
The Deep Web
Domain Names
Markup Languages and the Web
Markup Languages and the Web (cont’d.)
Markup Languages
Hypertext Markup Language
Hypertext Markup Language (cont’d.)
Scripting Languages and Style Sheets
Extensible Markup Language (XML)
Extensible Markup Language (cont’d.)
Extensible Markup Language (XML) (cont’d.)
HTML and XML Editors
Internet Connection Options
Connectivity Overview
Connectivity Overview (cont’d.)
Voice-Grade Telephone Connections
Broadband Connections
Broadband Connections (cont’d.)
Leased-Line Connections
Leased-Line Connections (cont’d.)
Wireless Connections
Personal Area Networks
Personal Area Networks (cont’d.)
Wireless Ethernet (Wi-Fi)
Wireless Ethernet (cont’d.)
Fixed-Point Wireless
Mobile Telephone Networks
Internet2 and the Semantic Web
Internet2 and the Semantic Web (cont’d.)

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