challenge-response
(1) A common authentication technique whereby an individual is prompted (the challenge) to provide some private information (the response). Most security systems that rely on smart cards are based on challenge-response. A user is given a code (the challenge) which he or she enters into the smart card. The smart card then displays a new code (the response) that the user can present to log in.
(2) In biometrics, challenge response is the term used to describe the method by which the identification of a person is detected based on voluntary or involuntary responses. Challenge response is a type of biometric system security.
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- channel
(1) A transmission path . (2) A set of properties that distinguishes one channel from another. For example, TV channels refer to particular frequencies at which radio waves are transmitted. IRC channels refer to specific discussions. (3) In sales and marketing, the way in which a vendor communicates with and sells products to consumers. (4) […]
- channel bank
A channel bank is the foundation for all digital telecommunication transmissions. It is the part of a carrier -multiplex terminal that multiplexes a group of channels into a higher bit-rate digital channel and demultiplexes these aggregates back into individual channels. A channel bank changes analog voice and data signals into a digital format. It is […]
- channel bonding
A technology that combines two telephone lines into a single channel, effectively doubling the data transfer speeds. To take advantage of channel bonding, you need two modems and two telephone lines. If both modems offer 56 Kbps speeds, for example, bonding two modems together would give you a 112 Kbps Internet connection, comparable to an […]
- channel captain
The name given to the chief individual or company responsible for overseeing a channel and its channel partners. A channel captain would organize the channel and prevent or handle any issues and conflict within the channel and also largely decide the products and services that are distributed throughout the channel.
- channel partner
The name used to describe a company that partners with a manufacturer or producer to market and sell the manufacturer’s products, services, or technologies- usually through a co-branding relationship. Channel partners may be distributors, vendors, retailers, consultants, systems integrators (SI), technology deployment consultancies, and value-added resellers (VARs) and other organizations.