Wireless LAN (WLAN)

WLAN provides wireless network communication over short distances using radio or infrared signals instead of traditional network cabling.

Wireless Internet Service Provider(WISP)

Wireless Internet Service Providers  are Internet service providers with networks built around wireless networking

WiMax

WiMax is a telecommunications protocol that provides fixed and mobile Internet access

wide area network

The wide area network, often referred to as a WAN, is a communications network that makes use of existing technology to connect local computer networks into a larger working network that may cover both national and international locations.

T-1 Line

A T1 line refers to a specific type of copper or fiber optic telephone line that can carry more data than traditional telephone lines

Server Operating System

Server Operating System is software that was especially developed to serve as a platform for running multi-user computer programs, applications that are networked and programs critical to business computing

Server

A server is a computer program running as a service, to serve the needs or requests of other programs (referred to in this context as "clients") which may or may not be running on the same computer.

Router

In packet switched networks such as the Internet, a router is a device or, in some cases, software in a computer, that determines the next network point to which a packet should be forwarded toward its destination.

Public Switched Telephone Network (PSTN)

Is a regular phone serve that gives a dial tone, and the ability to dial up any phone number for along (voice) or digital (data)communications over ordinary telephone lines

Proxy Server

A proxy server is a computer that offers a computer network service to allow clients to make indirect network connections to other network services.

Peer-Peer Network

is a communications model in which each party has the same capabilities and either party can initiate a communication session.

Node

In a network, a node is a connection point, either a redistribution point or an end point for data transmissions.

Modem

A modem is a device or program that enables a computerto transmit data over, for example, telephone or cable lines

Local Area Connector (LAN)

LAN are the small networks to which many business and home computer user initially connect

Intranet

An intranet is a private network that is contained within an enterprise

Internet

Internet is a network of networks in which users at any one computer can, if they have permission, get information from any other computer (and sometimes talk directly to users at other computers).

Hub

hub is a fairly unsophisticated broadcast device

Hacker

A hacker can be an expert computer programmer who creates complex software and hardware

firewall

A firewall is a part of a computer system or network that is designed to block unauthorized access while permitting authorized communications

Extranet

An extranet is a private network that uses Internet technology and the public telecommunication system to securely share part of a business's information or operations with suppliers, vendors, partners, customers, or other businesses.

Digital Subscriber Line (DSL)

Digital Subscriber Line is a family of technologies that provides digital data transmission over the wires of a local telephone network

Communication Channels

 Medium through which a message is transmitted to its intended audience, such as print media or broadcast (electronic) media

Client

a client is an application or system that accesses a remote service on another computer system, known as a server, by way of a network

Cable Modem

A cable modem is a device that enables you to hook up your PC to a local cable tv line and receive data at about 1.5 mbps.

Biometric Security Measures

the identity of those taking a school admission test, the research used fingerprints, signature on an electronic screen and capturing the individual image through digital means.