Untitled

Page 1

Technology

Define a network - A computer network is a group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources located on or provided by the network nodes.

Network devices - A "networked" device refers to equipment that connects to a network, which includes computers, printers and most A/V gear (servers, Blu-ray players, etc.), which operate in an Ethernet or Wi-Fi network or both.

Modem- Modem is short for "Modulator-Demodulator." It is a hardware component that allows a computer or another device, such as a router or switch, to connect to the Internet

Router- A router is a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet.

Firewall - A firewall is a security device — computer hardware or software — that can help protect your network by filtering traffic and blocking outsiders from gaining access to private data on your computer.

Wap - Wireless Application Protocol (WAP) is a device accessing information over a mobile wireless network. A WAP browser is a web browser for mobile devices such as mobile phones that use the protocol.

Workstation - Workstation, a high-performance computer system that is basically designed for a single user and has advanced graphics capabilities, large storage capacity, and a powerful processing unit.

Server - A server is a computer that provides data to other computers.

Switch - A switch is a device in a computer network that connects other devices together. Multiple data cables are plugged into a switch to enable communication between different networked devices

Network types

Wan - A wide area network (also known as WAN), is a large network of information that is not tied to a single location.

Lan - A local area network (LAN) is a collection of devices connected together in one physical location, such as a building, office, or home.

Pan- A personal area network (PAN) is a computer network for interconnecting electronic devices centered on an individual person's workspace.