IP address | Internet Protocol address |
| The address of a host (computer) on the Internet, consisting of |
| four numbers, each from 0 to 255, separated by periods, e.g., |
| 209.191.4.240. An IP address consists of a network ID that |
| identifies the particular network the host belongs to, and a host ID |
| uniquely identifying the host itself on that network. A network |
| mask is used to define the network ID and the host ID. Because |
| IP addresses are difficult to remember, they usually have an |
| associated domain name that can be specified instead. See also |
| domain name, network mask. |
ISP | Internet Service Provider |
| A company that provides Internet access to its customers, |
| usually for a fee. |
LAN | Local Area Network |
| A network limited to a small geographic area, such as a home, |
| office, or small building. |
LED | Light Emitting Diode |
| An electronic |
| front of the |
MAC address | Media Access Control address |
| The permanent hardware address of a device, assigned by its |
| manufacturer. MAC addresses are expressed as six pairs of |
| characters. |
mask | See network mask. |
Multicast | To send data to a group of network devices. |