Internet tecnology

1. Network architecture

1.1. New Topic

2. Introduction of internet

3. Basic concept of network

3.1. Digital modems

3.1.1. Cable modem

3.1.2. DSL modem

3.1.3. ISDN modem

3.2. Wireless modem

3.2.1. USB modem

3.2.2. Wireless Access point (WAP)

3.2.3. Router

3.3. Network Card

3.3.1. Called a network interface card (NIC pronounced nick)

3.4. Hub and switches

3.4.1. central point for cable in a network

3.5. Transmission media

3.5.1. Twisted-pair cable

3.5.2. Coaxial cable

3.5.3. Fiber-optic cable

3.6. Wireless transmission media

3.6.1. Broadcast radio

3.6.2. Infrared

3.6.3. Cellular radio

3.6.4. Microwave

3.6.4.1. High-speed signal transmission

3.6.5. Communications satelite

4. Classificationof network

4.1. Local Area Network LAN

4.2. Wide Area Network WAN

5. The internet adress

5.1. Internet protocol address

5.1.1. IPv4

5.1.2. IPv6

6. The broadband internet connection