NETWORK

NETWORK ARCHITECTURE

DEFINITION NETWORK

A network is collection of computers and mobile devices connected together via communications devices and transmission media often wirelessly allowing computers to share resources(hardware,software and data)


COMMUNICATION DEVICES

Hardware component that enables a computer to sent(transmit)  and receive data, instructions and information to and from one or more computers.





TRANSMISSION MEDIA

It describes the type of physical system used to carry a communication signal from one system to another

• Physical  -send signal through cable, wire and tangible materials.
• Wireless - send signal through air or space

Physical	Wireless
TWISTED CABLE	MICROWAVE
COAXIAL CABLE	SATELLITE