What is a Computer Network?
LAN
(Local Area Network) A computer network limited to the immediate area usually the same building or floor of a building or a school campus.
WAN
(Wide Area Network) A network that connects computers and other resources over great distances.
Switches
A computer networking device that connects network segments
Access point (AP or wireless AP)
A device that receives the signals and transmits signals back to wireless network interface cards (NICs).
optical fiber
A long, thin strand of glass or plastic that can carry light for long distances without allowing the light to escape.
client/server network
A network that uses centrally administered computers, known as servers, to enable resource sharing for and to facilitate communication between the other computers on the network.
Router
A type of computer that forwards data across a network
UTP (Unshielded Twisted Pair)
A type of twisted pair cabling that does not include shielding around its conductors.
Network Interface Card (NIC)
An expansion card that enables a computer to connect other computers or to a cable modem to facilitate a high-speed Internet connection.
Modem
Communications hardware device that facilitates the transmission of data.
Internet Service Provider (ISP)
a company that provides access to the internet for a monthly fee
peer-to-peer network
any network without a central file server and in which all computers in the network have access to the public files located on all other workstations