cdma interview questions and answers, cdma interview faq
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4/20/2015 CDMAinterviewquestionsandanswers,CDMAinterviewFAQ
http://www.careerride.com/CDMAinterviewquestions.aspx 1/2
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CDMAinterviewquestionsandanswers
Wirelesscommunicationinterview
WhatisCDMA2000?
CDMA2000isaMulticarriercodedivisionmultipleaccessversionofIMT2000standard,CDMA2000isa3Gwirelesstechnology................ReadAnswer
ExplainEDGE.
EDGEisanacronymforEnhancedDataGSMEnvironment,AnimprovedwirelesstechnologyoverGSM,A2ndgenerationcellphonetechnology.............ReadAnswer
ExplainDECT.
DECTisoneofthewirelesstechnologies,originatedinEurope,DECTwasdesignedtointerworkwithvariousnetworkssuchasPSTN,ISDN,GSMetc.............ReadAnswer
ExplainHighSpeedPacketAccess.
HSPAisacombinationof2mobiletelephonyprotocolsHighSpeedDownlinkPacketAccessandHighSpeedUplinkPacketAccess,HSPAimprovestheperformanceofexistingWCDMAprotocols..............ReadAnswer
ExplainEVDO/EVDO.
EVDOstandsforEvolutionDataOptimized,EVDOisa3GbroadbandtechnologyusedbyVerizon,Spring,Alltel..............ReadAnswer
WhatisthedifferencebetweenCDMAandGSM?
Theimportantdifferencesare:DataTransferSpeed:CDMAisfasterthanGSM,CDMA2000downstreamrateis2megabits/second,throughEVDO,whereGSMdownstreamrateisupto384kilobits/second,throughEDGEtechnology.............ReadAnswer
WhatistheimportanceofCDMAintodayscellularworld?
Thetransitiontodigitalradiothroughtheprocessofdefiningstandardsisimplementingabout90%inthecellularindustry.SmoothtransitiontodigitalstandardsisinvolvedinCDMAtechnology............ReadAnswer
Differentiatebetween:a.)CDMAandFDMAb.)CDMAandTDMA
a.)CDMAandFDMASamefrequencyisusedbyeveryuserandsimultaneoustransmissionoccursEverynarrowbandsignalismultipliedbywidebandspreadingsignal,usuallyknownascodeword...............ReadAnswer
WhatisthedifferencebetweenCDMAandGPRS?Whichofthemisbetter?Why?
TheDifferences:CDMAisoneofthetypesofmobileconnectionsformakingcallswhereasGPRSisatechnologyforinternetconnectionsthroughamobilephone................ReadAnswer
ExplainfollowingforwardlinkchannelsinCDMAsystem:a.)PilotChannelb.)Sync.Channel
PilotChannelAforwardlinkchannelwhichisabasetomobilethatmodulatesonlybythepilotPN.Itspreadscommoncodestoallsignalstransmittedfromagivenbasestation..............ReadAnswer
ExplainthefollowingtwotypesofhandoffinCDMAsystem:a.)Softhandoffb.)Softerhandoff
InterviewquestionsBluetooth
3G
CDMA
GSM
GPRS
TestNetworkingskillsNew
TestSQLServerskillsNew
TestOracleskillsNew
Networkingnotes
Applicationlayer
Datalinklayer
IPlayer
Ethernet
Firewall
Networktechnology
Protocols
Routers
Security
TCPlayer
VPN
Tunneling
Subneting
RTP
Multicasting
SocketProgramming
SecuredSocketLayer
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4/20/2015 CDMAinterviewquestionsandanswers,CDMAinterviewFAQ
http://www.careerride.com/CDMAinterviewquestions.aspx 2/2
a.)SofthandoffSofthandoffisafeatureinwhichacellularphoneissimultaneouslyconnectedtotwoormorecellularphonesduringasinglecall............ReadAnswer
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