Transmission+media

Transmission media
This allows the transmission of electronic signals from one computer to another
 * Shielded Twisted Pair (STP)
 * Unshielded Twisted Pair (UTP)
 * Coaxial
 * Fibre Optic
 * Leased Line
 * Wireless Connection

Bandwidth
The amount of data that can be transmitted in a fixed amount of time. Bandwidth is given as a transmission rate and is measured in megabits per second (Mbps). One Mbps is 1 million bits per second. Bandwidth can also be given as a frequency and is measured in kilohertz (kHz).

Geographical spread
The distance that a network covers

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