Chapter II Basic Knowledge of Data Communication 13 2. 1 Basic Concept of Data Communication 13 2. 1 Information, Data and Signals 1 32.10.2 Basic Structure of Data Communication System142. 5 2. 1.4 The main technical indicators of data communication system are as follows: transmission mode 17 2.2.2 modulation of digital signal 19 2.2.3 modulation of analog signal 20 2.2.4 synchronization mode of data transmission 2 1 2.3 switching technology 23 2.3./KLOC. Overview of switching technology 23 2.3.2 Circuit switching technology 25 2.3.3 26 2.3.4 Packet switching technology 28 2.3.5 Comparison of three switching technologies 30 2.4 Channel sharing technology 35 2.5 Transmission control technology 38 2.5. 1 error control 38 2.5.2 Flow control 39 2.5.3 Congestion control 40 2.
Chapter III Computer Network Architecture 45 3. 1 Overview of Network Architecture 45 3. 1 Hierarchical Features of Network Architecture 45 3. 1.2 Development of Network Architecture 46 3. 1.3 Several Basic Concepts 46 3.2 Open System Interconnection 48 3.3 TC. P/IP model and related protocols 54 3.3. 1 TCP/IP protocol architecture overview 54 3.3.2 TCP/IP protocol family 56 3.3.3 IP addressing technology 60 3.3.4 IPv6 64 3.4 Comparison between OSI and TCP/IP model 65 Exercise 6
Chapter IV Transmission Media and Network Equipment 68 4. 1 transmission media 68 4. 1 twisted pair 68 4. 1.2 coaxial cable 7 1 4. 1.3 optical fiber 72 4. 1.4 wireless transmission media 74.2 network card.
Chapter V Overview of LAN 92 5. 1 LAN 92 5.2 LAN Protocol 92 5.2. 1 IEEE 802.3 Ethernet 94 5.2.2 IEEE 802.4 Token Bus 95 5.2.3 IEEE 802.5 Token Ring Network 96 5.3 Ethernet 97 5.3. 1 Traditional Ethernet 97 5.3.2 High-speed Ethernet 99 5.4 Switched Ethernet 106538 105 5.2 VLAN Division Method 106 5.6 Overview of WLAN 107 5.6. 1 Characteristics of WLAN/KLOC-.
Chapter VI Establishment of LAN 1 13 6. 1 establishment of peer-to-peer LAN1.1characteristics of peer-to-peer LAN136./kloc-0 .2 Types of Peer-to-Peer LAN 65438+ 8+0.3 Establishment of Two-Machine Peer-to-Peer Network 0 6.4 Integrated Wiring Technology1346.4./Composition of Integrated Wiring System 135 6.4.2 Common Wiring Materials and Tools 136 6.4.3 Construction of Network Wiring Project.
Chapter VII Internet Basics 147 7. 1 Internet Introduction 147 7. 1 Understanding Internet Domain Name System148 7.10.2 China Internet 149 7.2 Internet. Understand DNS 150 7.2. 1 domain name 15 1 7.2.3 gateway 152 7.3 Internet access 65438+ 054 7.3.65438+. 054 7.3.2 access 154 7.3.3 proxy server access 158 7.3.4 ADSL access 160 7.3.5 other access methods 165 practice 170.
Chapter 8 Internet and its Application 17 1 8. 1 information browsing 17 1 8. 1 using search engines 1 728.10.2 on the Internet. 76 8.5438+083 8.3.2 Apply for and use the email address 184 8.3.3 Use Outlook Express 185 8.3.4 Use Foxmail 186 8.4 Instant Messaging187 8.4./kloc-. 2 MSN newsletter 189 8.5 forums and blogs 193 8.5. 1 forum registration and posting 193 8.5.2 blog usage 196 8.6 e-commerce 199 exercise 20/kloc-.
Chapter 9 Configuring Network Services 202 9. 1 Internet Information Services 202 9. 1 Installing IIS Services 202 9.10.2 Configuring IIS Services 204 9.2 Domain Name Services 207 9.2. 1 Installing DNS Services 207 9.2.2 Configuring DNS Services. Service 208 9.3 DHCP service 2139.3./how kloc-0/DHCP works 2 13 9.3.2 configure DHCP service 2 15 9.3.3 manage DHCP service 2 18 9.4 WWW service 220 9.4./. 220 9.4.2 Configuring Website 223 9.5 FTP Service 230 9.5.1How FTP Works 230 9.5.2 Installing FTP Service 23 1 9.5.3 Configuring FTP Service 232 Exercise 238
Chapter 10 Network Management and Security 239 10. 1 0.1Network Management Function 239 10. 1 0.2 Network Management Model 240/ 0.655438 makeipconfig 24610.2.4 route tracing command pathping 247 10.2.5 network status command netstat 248 10.2.6 network connection status command nbtstat 249 10.3 network security 250. KLOC-0/0.3.650000000001+0 Basic concepts of network security 250 65438