Network - Two or more computers connected together for the purpose of sharing data or resources., LAN - A network which covers a small geographical area such as a single site or building., WAN - A network which covers a large geographical area such as a region, or country or an international area., Client-server - A network setup where resources or processing are carried out by a central computer (a server), with other devices (called clients) accessing resources via the network., Peer-to-peer - A network setup where all computers have an equal status and function as both client and server, Wireless Access Point - Uses a wireless radio signal to allow devices to connect wirelessly to a network., Router - A device which connects two or more different networks together allowing them to communicate with another., Switch - A device which provides computers and other devices with a wired connection to a network and directs traffic to specific devices on the network., NIC (Network Interface Card) - A component within a computer or other device which allows the device to connect to a network.  The card provides the physical connection to the network and controls the sending and receiving of data between the computer and the network., Transmission media - The physical connection which carries data between network devices. This could be a cable or a wireless signals, depending on the network., DNS (Domain Name System) - A system which enables a URL to be resolved into an IP address., Hosting - The storing of files, web pages or other data on a server., Protocol - An agreed set of rules to govern how data is transmitted across a network., Star network - A network topology where all devices connect back to a single central point. All communications travel via the central point e.g. a switch., Mesh network - A network topology where all devices are connected to each other rather than a central point. Devices may be connected in a full mesh or a partial mesh., Bandwidth - The amount of data which can be transferred by a network in any given time, Ethernet - A physical copper cable used to connect devices on a network. The term also refers to the protocols and standards used to control how data is sent and received on the cable., Wi-Fi - A technology which uses wireless signals to connect network devices., IP Address - A unique address assigned to every computer on a network., MAC Address - A 12 digit hexadecimal number assigned to a Network Interface Card (NIC).,

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