axe概述及7号信令知识

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1、AXE概述及7号信令知识1、WhatistheinterfacebetweentheMSCandBSCknownas?a)A-interfaceb)Abis-interfacec)B-interface2、WhatistheinterfacebetweentheMSC/VLRandSGSN?a)Gsb)Gnc)Gp3、WhatprotocolisusedontheA-bisinterfacetoensureerror-freetransmissionofsignalingmessagesbetweentheBSCandBTS?a)LAPD

2、mb)MTPc)LAPD4、WhatprotocolinaGSMnetworkisresponsibleforthecommunicationbetweentheCAMELnodes?a)CAPb)INAPc)MAP5、WhichoftheISUPmessagesacknowledgesthereceptionofalladdressininformation,requiredforroutingacall?A、IAMB、ACMC、ANM6、WhichofthefollowingisneverapartoftheSCCPaddress?A

3、、GLOBALTITLEB、DESTINATIONPOINTCODEC、ORIGINATINGTRANSACTONIDENTIFIER7、Whatisthenameoftheoperation,generatedbygsmSSFwhenatriggerisdetectedintheBasicCallStateModel,torequestinstructionsfromthegsmSCF？A、INITIALDPB、CONNECTC、SENDCHARGINGINFORMATION1、Inwhichpartofthesignalunitare

4、ISUPmessagessent?A、MSUB、LSSUC、FISU2、WhichlayerintheOSIreferencemodelisresponsibleforerror-freepoint-topointcommunication?A、physicallayerB、datalinklayerC、transportlayer3、WhatisthenameofthecommonpartofsignallingSystemNo.7usedbyallUserParts?A、MessageTransferPartB、MobileAppli

5、cationPartC、CommonChannelSignallingSubsystem4、WhatprotocolinaGSMnetworkisresponsibleforthecommunicationbetweentheCAMELnodes?a)CAPb)INAPc)MAP5、WhatisthenameoftheprotocolusedbytheSGSNtocommunicatewiththeBSCintheGSMnetwork?a)MAPb)GTPc)BSSAP+6、ThelengthindicatorfieldintheMTPm

6、essageisa)Usedtoindicatethetypeofsignalunitandsometimesthenumberofoctetscarriedbythesignalunitb)AlwaysusedtoindicatethelengthofaMSU,aLSSUoraFISUc)Performerrorcorrection7、WithSCCPyoucanroutesignalingmessages:a)Onlyinonecountrya)Onlywithinoneworldzoneb)Inthewholeworld1、SCCP

7、isusedinthenetworktoexchangesignalingmessages:a)BetweenBSCandMSC/VLRonlyb)BetweenBSCandMSC/VLRandbetweennodesintheSwitchingSystemc)BetweennodesintheSwitchingSystemonly2、Whatisthemaximumnumberofsignalinglinksinonelinkset?1618、以下哪些协议必须SCCP支持(A)、BSSAP和ISUP(B)、MAP和TUP(C)、MAP和

8、BSSAP(D)、MAP和ISUP19、在OSI模式中，流量控制的实现在(A)、物理层(B)、网络层(C)、传送层(D)、数据链路层20、在手机起呼的短信息过程中，短信的传送至SMS-SC是由