Network
Network Architecture
 Network Topology


Network :
  • Is a collection of computer and mobile devices connected together via communication devices and transmission media, often wirelessly aloowing computer to share resource (hardware,software, data and information)

Communication Media
  • Hardware componenet that enables computer to send (transmit) and receive data, instruction, and information to and from one or more computers


 Examples
 Transmission Media
  • The material or sub stance capable of caryying one or more signal
Hub/Switch

Physical
 Example
 Wireless
Modem

Twisted-pair cable
Infrared
Wireless Access Point
Coaxial cable
Microwave
Router
Fiber optic
Cellular radio
Hub

Broadcast radio
Switch
Communication Satellite
Netrwork Interface card(NIC)/Network Card
Bluetooth
Repeater