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2.1 Basic concept of network - Coggle Diagram
2.1 Basic concept of network
Definition of network
A collection of computers and devices connected together via communications devices and transmission media
Inside a network
Communication devices
Definition
A communication device is any type of hardware capable of transmitting data, instructions and information between a sending device and a receiving device.
Devices
Dial Up modem
ISDN &DSL modem
Cable modem
Wireless modem
Wireless Access Points (WAP)
Routers
Network Cards
Hubs and Switches
Advantages
Facilitate communication
Sharing file data & information
Transferring funds
Sharing software
Sharing hardware
Disadvantages
Theft of personal information
Exposed to malware threats
Social disconnects
Expose to pornograhy
Transmission media
Wired transmission media(physical)
Twisted-pair cable
Coaxial cable
Fiber-optic cable
Wireless transmission media
Cellular radio
microwave
Infrared
Broadcast radio