1.1 Origin and Development of Computer Network Systems+ 1.2 Functions and Applications of Computer Networks+ 1.3 Subnet Systems and Network Classifications+ 2.1 The Basics of Data Communication+ 2.2 The Technologies of Data Transmission+ 2.3 The Multiplexing Techniques of Data Channel+ 2.4 The Technologies of Data Exchange+ 2.5 The Error Detection and Correction in Data Transmission+ 3.1 The Concept of Network Architecture+ 3.2 OSI Reference Model+ 3.3 TCP/IP Reference Model+ 3.4 Commonly Used Network Protocols+ 3.5 IP Addresses+ 3.6 Subnet Configuration+ 4.1 Transmission Media+ 4.2 Common Network Devices+ 4.3 Introduction to Cisco Packet Tracer+ 5.1 The Overview of the Internet+ 5.2 Domain Name System (DNS) and Uniform Resource Locator (URL)+ 5.3 Internet Access Technologies+ 5.4 Next Generation Internet and New Internet Technologies+ 6.1 Network Operating Systems+ 6.2 The Application Basics of Windows Server+ 6.3 The Application Basics of Linux+ 7.1 Local Area Networks (LANs) and the IEEE 802 Standards+ 7.2 Ethernet and the IEEE 802.3 Standard+ 7.3 The Methods of Wireless LAN Networking+ 7.4 Commonly Used Network Commands+ 8.1 Overview of Computer Network Security+ 8.2 Computer Network Viruses+ 8.3 Computer Network Penetration and Anti-Penetration+ 8.4 Anti-Phishing Attack Methods+ 8.5 Common Tools for Preventing Penetration Attacks+ Course Introduction+