Air 802 Linux USB?ADG?2 Especificaciones descargar pdf (Pagina 27)

APPENDIXA:GLOSSARY



802.11–TheInstituteofElectricalandElectronicEngineers(IEEE)hascreatedanumberof

wirelessstandards.Thishelpstoinsurethatproductsbuilttocomplywithaspecificstandard

areinteroperablewithoneanotherevenifmanufacturedbydifferentcompanies.



802.11b–Specifiesamaximumdatatransferrateof11Mbps,anoperatingfrequencyof2.4

GHz,andWEPencrypionforsecurity.CommonlyreferredtoasWi‐Fi.



802.11g–Specifiesamaximumdatatransferrateof54Mbps,anoperatingfrequencyof2.4

GHzandisbackwardscompatiblewith802.11b.CommonlyreferredtoasWi‐Fi.



AccessPoint–Aninterworkingdevicethatseamlesslyconnnectswiredandwirelessnetworks

together.



Ad‐Hoc–AnAd‐HocwirelessLANisagroupofcomputers,eachwithaWLANcard,connected

asanindependentwirelessLAN.Ad‐HocwirelessLANisapplicableatadepartmentalscalefor

branchSOHOoperation.



BSS–BasicServiceSetisan802.11interworkingframeworkthatincludesanAccessPoint.

ComputersinaBSSmustbeconfiguredwiththesameBSSID.



CTS(CleartoSend)–AnRS‐232signalsentfromthereceivingstationtothetransmitting

stationthatindicatesisisreadytoacceptdata.



Client–AworkstationorPConanetwork.



DefaultGateway–TheIPAddressofeitherthenearestrouterorserverfortheLAN.



DHCP–DynamicHostConfigurationProtocolisamethodinwhichIPaddressesareassigned

fromapoolofIPaddressesbyaserverdynamicallytoclientsonthenetwork.DHCPisusedfor

DynamicIPAddressingandrequiresadedicatedDHCPserveronthenetwork.



DNS–DomainNameSystemisusedtomapreadablemachinenames(Internetdomainnames)

intoIPaddresses.



DSSS–DirectSequenceSpreadSpectrumisamethodthewirelesscardsusetotransmitdata

overthefrequencyspectrum.Theothermethodisfrequencyhopping.Directsequencespreads

thedataoveronefrequencyrange(channel)whilefrequencyhoppingjumpsfromonenarrow

frequencybandtoanothermanytimespersecond.



24



1 2 ... 22 23 24 25 26 27 28 29 30 31 32

Sin comentarios

Air 802 Linux USB?ADG?2 Especificaciones Pagina 27