爱立信华中区技术支持交换试题

-1-交换部分考题第一部分：客观题1、自动DUMP备份到_AA、RELFSW0B、RELFSW1C、RELFSW2D、RELFSW32、关于系统再启动下面说法不正确的是：BA、系统小启动对已经在通话的用户没有影响B、系统大启动清除所有的呼叫，包括半永久性连接C、再启动+大启动清除所有的呼叫，包括半永久性连接，并重装系统软件D、系统再启动可由硬件故障、软件故障或人机命令引起3、备份文件RELFSWn由子文件构成，其中用于存储PS和RS的内容的是：DA、R0B、R1和R2C、R3和R4D、R54、RE功能块是：AA、只有中央软件的功能块B、既有硬件也有软件的功能块C、是TCS中用于呼叫监视和协调的功能块5、电缆信息在什么文件中可找到：DA、B-MODULEB、E-MODULEC、H-MODULED、C-MODULE6、主CLM的标准控制值是多少？BA、4096B、2048C、512D、10247、WhichoftheISUPmessagesacknowledgesthereceptionofalladdressininformation,requiredforroutingacall?BA、IAMB、ACMC、ANM8、WhichofthefollowingisneverapartoftheSCCPaddress?CA、GLOBALTITLEB、DESTINATIONPOINTCODEC、ORIGINATINGTRANSACTONIDENTIFIER9、WhatisthenameofafunctionalentitythatcontainstheCAMELservicelogictoimplementtheoperatorspecificservices?AA、gsmSCFB、gsmSRFC、gsmSSF10、WhatisusedtoinformthegsmSCFabouttheservicelogicitshouldapplyforacall?CA、MSISDNB、IMSI-2-C、SERVICEKEY11、Whatisthenameoftheoperation,generatedbygsmSSFwhenatriggerisdetectedintheBasicCallStateModel,torequestinstructionsfromthegsmSCF？AA、INITIALDPB、CONNECTC、SENDCHARGINGINFORMATION12、DuringlocationupdatingofanewsubscriberintheMSC/VLR,whichinformationisnotsentfromtheHLR?cA、theHLRaddressB、theMSISDNC、theAUCaddress13、WhatisthemaximumnumberofsignallinglinksthatcanbesimultaneouslyhandledbyoneEricssonSIGNALINGTERMINAL(ST-7)inRPG?CA、1B、2C、414、InwhichpartofthesignalunitareISUPmessagessent?AA、MSUB、LSSUC、FISU15、WhichlayerintheOSIreferencemodelisresponsibleforerror-freepoint-topointcommunication?bA、physicallayerB、datalinklayerC、transportlayer16、WhatisthenameofthecommonpartofsignallingSystemNo.7usedbyallUserParts?aA、MessageTransferPartB、MobileApplicationPartC、CommonChannelSignallingSubsystem17、WhichofthefollowingprovideroutingfunctionsforincomingcallstoaGSMnetwork?ca)EIRb)AUCc)GMSC18、The_______temporarilystoresinformationabouttheMScurrentlyvisitingitsServiceArea.aa)VLRb)HLRc)EIR19、WhatistheinterfacebetweentheMSCandBSCknownas?aa)A-interfaceb)Abis-interfacec)B-interface20、WhichofthisinformationisincludedinBearerCapabilities(BC)?ca)Informationonthetypeofservice,suchasspeechordatatransmission,requiredbyauser.b)AuthenticationParameters,includingIMSInumber-3-c)Cipheringcodes21、HowmanybasicservicegroupsarethereinGSM?aa)6b)12c)922、InwhichnetworkelementistheIMSIDetachandIMSIAttachinformationstored?ca)BSCb)HLRc)MSC/VLR23、TheMobileGlobalTitle(MGT)isdeviratedfrom____?ba)MSRNb)IMSIc)DestinationPointCode(DPC)24、WhichofthefollowingcontainsaTypeApprovalCode(TAC)?ca)TMSIb)IMSIc)IMEI25、Whichthreesecurityfunctionsareinitiatedduringcallset-up?aa)Authentication,IMEICheckFunctionsandCipher-modeSet-upb)Authentication,IMSICheckandSubscriptionCheckc)Cipher-modeSet-up,IMEICheckFunctionsandSubscriptionCheck26、WhatischeckedduringtheAuthenticationprocess?aa)SIMb)IMEIc)MSISDN27、WhyisTMSIused?ba)AsatemporarypersonalcodetoactivatetheMSb)Forsecurityreasonsc)Forusewitharentedmobiletelephone28、TimersareusedforPeriodicLocationUpdating.Wherearethesetimerslocated?aa)IntheMSandMSCb)IntheMSandBSCc)IntheBSCandMSC29、Whenamobilesubscriberwantstochangeasupplementaryservice,forexample,callforwardingunconditional,theMShastosignaltothe______.ba)MSC/VLR-4-b)HLRc)BSC30、Inlinewithyourknowledge,whataretwomainfunctionallevelsnamedunderAXEplatform?ca)ANZ&ANTb)AXD&ANXc)APZ&APT31、Whatisthehighestuserratesupportedbycombining14.4kbpsDataChannelCodingwithHSCSDinERICSSONExchange?ba)38.4kbit/sb)57.6kbit/sc)64kbit/s32、OSSistheEricssonproductforthecentralizedcontroloftheGSMNetwork.OSSisbasedontheEricssonfamilyofmanagementproducts:_________ba)SMASb)TMOSc)GAS33、WhatistheinterfacebetweentheMSC/VLRandSGSN?aa)Gsb)Gnc)Gp34、WhichofthefollowingisnotpartoftheSwitchingSystem?ba)EIRb)BSCc)HLR35、WhatinformationischeckedbytheEIR?ba)Thesubscriptionb)Thetelephonec)Thesubscribercategory36、Whichofthefollowingstatementsistrue?aa)OneLAcanbelongtoseveralBSCsb)OneLAcanbelongtoseveralMSC/VLRsc)OneLAisalwayshandledbyonlyoneBSC37、Whatisthenameofthenodecalculatingtheencryptionparameters?ba)EncryptionCenterb)Authenticationcenterc)CipheringCenter-5-38、WhichofthefollowingisperformedintheMSC/VLR?aa)Numberanalysisb)Locatingandhandoverc)Ciphering39、WhichofthefollowingidentitynumbersisdialedwhenmakingacalltoanMS?aa)MSISDNb)IMEIc)IMSI40、WhenisIMEIused?ba)Whenthesubscriptionbelongstoarentalphoneb)WhenitisnecessarytoidentifytheMSequipmentc)AsatemporarypersonalcodetobeabletousetheMSequipment41、UnconditionalCallForwardingishandledin____ba)CurrentMSC/VLRb)GMSCc)HLR42、Whichnodeoutputschargingrecords?aa)MSC/VLRb)Billingcenterc)BSC43、WhichnodestorethecharginginformationwhenasubscriberishandoveredtoanewMSC/VLR?ca)GMSCb)NewMSC/VLRc)OldMSC/VLR44、WhyisPeriodicRegistrationperformed?ba)ToinformthenetworkwheretheMSisb)ToinformthenetworkthattheMSisattachedc)TopagetheMS45、WhatprotocolisusedontheA-bisinterfacetoensureerror-freetransmissionofsignalingmessagesbetweentheBSCandBTS?a)LAPDmb)MTPc)LAPD46、WhatprotocolinaGSMnetworkisresponsibleforthecommunicationbetweentheCAMELnodes?a-6-a)CAPb)INAPc)MAP47、InwhatsituationistheMAPoperation“ProvideRoamingNumber”used?aa)theHLRaskstheMSC/VLRfortheMSR