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50 Cards in this Set
- Front
- Back
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electromagnetic waves
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spectrum of self-propagating waves in space with electric and magnetic components classified in order of increasing frequency; radio, micro, terahertz radiation, infrared radiation, visible light, ultraviolet radiation, x-rays, gamma rays.
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wavelength
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distance between two waves in a repeating pattern. some are not suitable for carrying data.
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spectrum
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gov't regulated, licensed; most common wavelengths for public, unlic. wireless incl infrared and parts of RF radio frequency band
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infrared
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low energy, can't penetrate walls or other obstacles. electromagnetic waves with a frequency range above that of microwaves but below that of the visible spectrum. LAN systems based on this technology represent an emerging technology.
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Infrared Direct Access IrDA
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specialized port used to connect and move data between devices such as PDA, PC, phone. 1-to-1 connex only.
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Radio Frequency
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234
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Industrial Scientific and Medical ISM bands
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234
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Unlicensed National Information Infrastructure UNII
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234
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Bluetooth
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Wireless industry standard that uses an unlicensed radio frequency for short-range communication enabling portable devices to communicate over short distances
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hotspot
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235
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wireless personal-area networks WPAN
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236
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wireless local-area networks WLAN
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236
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wireless wide-area networks WWAN
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236
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Code Division Multiple Access CDMA
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236
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Global System for Mobile Communications GSM
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236
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802.11a
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237
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802.11b
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237
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802.11g
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237
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802.11n
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237
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Wireless-Fidelity (Wi-Fi)
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237
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multiple-input, multiple-output (MIMO)
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237
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wireless client
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any host device that can connect to a wireless network
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STA
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abbreviation for STAtion a basic network device
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access point (AP)
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Wireless LAN transmitter/receiver that acts as a connection between wireless clients and wired networks
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wireless bridge
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Physically connects two or more network segments using the 802.11 standard wireless technology in a point to point or point to multipoint implementation.
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antenna
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239
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Service Set identifier (SSID)
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240
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ad-hoc
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240
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Independent Basic Service Set IBBS
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240
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infrastructure mode
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240
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Basic Service Set (BSS)
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240
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cell
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240
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Extended Service Set (ESS)
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240
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wireless channels
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242
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Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)
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243
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Request to Send (RTS)
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243
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Clear to Send (CTS)
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243
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acknowledgement (ACK)
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transmission control character (or a transmission frame) that confirms a transmitted message was received uncorrupted or without errors or that the receiving station is ready to accept transmissions.
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authentication
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process implemented on a network to verify the identity of a user
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open authentication
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type of wireless authentication where any and all clients are able to associate regardless of who they are.
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pre-shared keys (PSK)
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251
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Extensible Authentication Protocol (EAP)
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252
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Remote Authentication Dial-in User Service (RADIUS)
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252
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association
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252
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encryption
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application of a specific algorithm to data so as to alter the appearance of the data making it incomprehensible to those who are not authorized to see the information.
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Wired Equivalency Protocol (WEP)
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253
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passphrase
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25
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Wi-Fi Protected Access
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254
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site survey
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process of evaluating a network solution to deliver the required coverage, data rates, network capacity, roaming capability and quality of service.
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IrDA (disambiguation)
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Also stands for Infrared Data Association. nonprofit that develops infrared specs for global compatibility
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