NETWORK ARCHITECTURE
NETWORK TOPOLOGY
BASIC NETWORK


DEFINITON NETWORK

  • collection of computers and mobile device connected together via communication device and transmission media, often wirelessly allowing computers to share resources (hardware, software, data and information
DEFINITION OF COMMUNICATION DEVICE
  • hardware component that enables a computer to send  (transmit ) and receive data, instruction and information to and from one or more computers

EXAMPLE COMMUNICATION DEVICES


TERMS
PICTURES
Router

Switch

Wireless Access Point

Hub



DEFINITION TRASMISSION MEDIA

  • materials or substances capable of carrying one or more signals in a communication channel. There are two types of transmission media : physical and wireless
EXAMPLE OF TRANSMISSION MEDIA

TERMS
PICTURES
Twisted Pair Cable

Coaxial Cable

Fiber Optic

Communication Satellite

Broadcast Media


ADVANTAGES OF NETWORK 

  • Hardware sharing
  • Data and information
  • Faclitate communication
  • Internet access sharing

DISADVANTAGES OF NETWORK
  • Undesirable sharing
  • Security issues
  • Network hardware, software and setup costs
  • Illegal or undesirable behaviour
  • Expenses/cost