cdma interview questions and answers, cdma interview faq

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Interview Current affairs Civil services Banking Engineering MBA GD Placement papers HR CV Cover letter Aptitude English Online test Ask question! CDMA interview questions and answers Search CDMA interview questions and answers <<Previous Next>> Wireless communication interview What is CDMA2000? CDMA2000 is a Multicarrier codedivision multiple access version of IMT2000 standard, CDMA2000 is a 3G wireless technology................ Read Answer Explain EDGE. EDGE is an acronym for Enhanced Data GSM Environment, An improved wireless technology over GSM, A 2nd generation cell phone technology............. Read Answer Explain DECT. DECT is one of the wireless technologies, originated in Europe, DECT was designed to interwork with various networks such as PSTN, ISDN, GSM etc............. Read Answer Explain High Speed Packet Access. HSPA is a combination of 2 mobile telephony protocols – High Speed Downlink Packet Access and High Speed Uplink Packet Access, HSPA improves the performance of existing WCDMA protocols.............. Read Answer Explain EVDO/ EVDO. EVDO stands for Evolution Data Optimized, EVDO is a 3G broadband technology used by Verizon, Spring, Alltel.............. Read Answer What is the difference between CDMA and GSM? The important differences are: Data Transfer Speed: CDMA is faster than GSM, CDMA2000 downstream rate is 2 megabits / second, through EVDO, where GSM downstream rate is up to 384 kilobits / second, through EDGE technology............. Read Answer What is the importance of CDMA in today’s cellular world? The transition to digital radio through the process of defining standards is implementing about 90% in the cellular industry. Smooth transition to digital standards is involved in CDMA technology............ Read Answer Differentiate between: a.) CDMA and FDMA b.) CDMA and TDMA a.) CDMA and FDMA Same frequency is used by every user and simultaneous transmission occurs Every narrowband signal is multiplied by wideband spreading signal, usually known as codeword............... Read Answer What is the difference between CDMA and GPRS? Which of them is better? Why? The Differences: CDMA is one of the types of mobile connections for making calls where as GPRS is a technology for internet connections through a mobile phone. ............... Read Answer Explain following forward link channels in CDMA system: a.) Pilot Channel b.) Sync. Channel Pilot Channel A forward link channel which is a base to mobile that modulates only by the pilot PN. It spreads common codes to all signals transmitted from a given base station.............. Read Answer Explain the following two types of hand off in CDMA system: a.) Soft handoff b.) Softer handoff Interview questions Bluetooth 3G CDMA GSM GPRS Test Networking skills New Test SQL Server skills New Test Oracle skills New Networking notes Application layer Data link layer IP layer Ethernet Firewall Network technology Protocols Routers Security TCP layer VPN Tunneling Subneting RTP Multicasting Socket Programming Secured Socket Layer

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  • 4/20/2015 CDMAinterviewquestionsandanswers,CDMAinterviewFAQ

    http://www.careerride.com/CDMAinterviewquestions.aspx 1/2

    Interview Currentaffairs Civilservices Banking Engineering MBA GD Placementpapers HR CV Coverletter AptitudeEnglish Onlinetest Askquestion!

    CDMAinterviewquestionsandanswersSearch

    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

  • 4/20/2015 CDMAinterviewquestionsandanswers,CDMAinterviewFAQ

    http://www.careerride.com/CDMAinterviewquestions.aspx 2/2

    a.)SofthandoffSofthandoffisafeatureinwhichacellularphoneissimultaneouslyconnectedtotwoormorecellularphonesduringasinglecall............ReadAnswer

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