1. Networks
1.1. Classification
1.1.1. LAN(Local Area Network)
1.1.2. WLAN(Wireless LAN)
1.1.3. MAN(Metropolitan Area Network)
1.1.4. WAN(Wide Area Network)
1.2. Network Architectures
1.2.1. Client/Server
1.2.2. Peer-to-Peer
1.2.3. Internet Peer-to-Peer
1.3. Network Topologies
1.3.1. Star Network
1.3.2. Bus Network
1.3.3. Ring Network
1.3.4. Intranet
1.4. Standards
1.4.1. Ethernet
1.4.2. Token Ring
1.4.3. TCP/IP
1.4.4. Wi-Fi
1.4.5. Bluetooth
1.4.6. UWB(Ultra-WideBand)
1.4.7. IrDA
1.4.8. RFID
1.4.9. WiMAX
1.4.10. WAP
1.5. Communications Software
1.5.1. Establish a connection
1.5.2. Manage the transmission
1.5.3. Provide an interface for users
1.6. Telephone Network
1.6.1. Dial-Up Lines
1.6.2. Dedicated Lines
1.6.2.1. Digital Dedicated Line
1.6.2.1.1. ISDN Lines
1.6.2.1.2. DSL(Digital Subscriber Line)
1.6.2.1.3. FTTP
1.6.2.1.4. T-Carrier Lines
1.6.2.1.5. ATM(Asynchronous Transfer Mode)
1.7. Communication Devices
1.7.1. Dial-Up Modems
1.7.2. Digital Modem
1.7.2.1. ISDN
1.7.2.2. DSL
1.7.2.3. Cable
1.7.3. Wireless Modems
1.7.4. Network Cards
1.7.5. Wireless Access Points
1.7.6. Routers
1.7.7. Hubs and Switchs
1.8. Communication Channel
1.8.1. Physical Transmission Media
1.8.1.1. Twisted-Pair Cable
1.8.1.2. Coaxial Cable
1.8.1.3. Fiber-Optic Cable
1.8.2. Wireless Transmission Media
1.8.2.1. Infrared
1.8.2.2. Broadcast Radio
1.8.2.3. Cellular Radio
1.8.2.4. Microwaves
1.8.2.5. Communications Satellite
2. computer communication
2.1. Communication Type
2.1.1. blog
2.1.2. chat room
2.1.3. E-mail
2.1.4. Fax
2.1.5. FTP
2.1.6. MSN