05第三方无线无线优化通用L311B场考试题库06.docx
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05第三方无线无线优化通用L311B场考试题库06.docx
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05第三方无线无线优化通用L311B场考试题库06
05
【题目】4015、ThedownlinkfrequencyrangeofBand7forLTEsystemsis().
A、925MHz-960MHz
B、1805MHz-1880MHz
C、2110MHz-2170MHz
D、2620MHz-2690MHz
【正确答案】D
【题目】4016、DuringtheprocessofPowerOnAttach,iftheRRCreconfigurationmessageislostortheRRCreconfigurationcompletionmessageisnotreceivedortheeNodeBfailstoconfigureofthesecurityparameteroftheUE,theeNodeBwillnotifythe()oftheinitialcontextsetupfailurE、
A、UE
B、MME
C、S-GW
D、PDN
【正确答案】B
【题目】4017、DuringtheprocessofPowerOnAttach,iftheRRCreconfigurationmessageislostortheRRCreconfigurationcompletionmessageisnotreceivedortheeNodeBfailstoconfigureofthesecurityparameteroftheUE,theeNodeBwillnotifythe()oftheinitialcontextsetupfailurE、Thenthe()willsendthecontextreleasecommandtotheUE、Finally,theeNodeBwillsendtheRRCConnectionReleasemessagetothe().
A、MME,MME,UE
B、MME,eNodeB,UE
C、UE,eNodeB,UE
D、UE,MME,MME
【正确答案】A
【题目】4018、Themodificationofthededicatedbearercannotbeoriginatedbythe().
A、UE
B、eNodeB
C、MME
D、S-GW
【正确答案】B
【题目】4019、Whenthenetworkneedstoberecoveredfromanetworkerror(forexample,theS-TMSIisnotavailable),itcanoriginatethepagingprocessusingthe().
A、IMSI
B、C-RNTI
C、TMSI
D、USIM
【正确答案】A
【题目】4020、Inthe()state,theeNodeBalwayssavestheUERadioCapabilityinformation.
A、RRCIdle
B、RRCConnected
C、RRCRelease
D、detach
【正确答案】B
【题目】4021、Ifthenetworkcapability(safetycapability)changes,the()processmustbeoriginateD、
A、randomaccess
B、paging
C、TAU
D、detach
【正确答案】C
【题目】4022、IftheMMEdoescarrytheinformationofUEradiocapabilityinthemessageofINITIALCONTEXTSETUPREQUEST,theE-TURANwillrequestthisinformationfromthe().
A、UE
B、eNodeB
C、MME
D、S-GW
【正确答案】A
【题目】4023、Aftertheattachprocesssucceedsandadedicatedbearerchannelissetup,iftheRRCconnectionisreleasedandtheRRCenterstheIDLEstate,the()processwillbeoriginatedwhentheUEoriginatesthedataconnectionnexttimE、
A、Attach
B、paging
C、servicerequest
D、detach
【正确答案】C
【题目】4024、IftheeNodeBfailstosetupadedicatedbearerchannel,theeNodeBwillindicatethisinformationtotheUEinthemessageofRRCReconfigurationCompleteandtheUEwill()thisbearerchannellocally.
A、activate
B、deactivate
C、reestablish
D、release
【正确答案】B
【题目】4025、SupposeaUE(currentUE)initiatesanIMSI-basedattachment,butitsIMSIisthesameastheIMSIofanotherUE(previousUE)thathasalreadyattachedtothenetwork.Inthiscase,Theattachment(request)of()UEwillbereleaseD、
A、current
B、previous
C、all
D、none
【正确答案】B
【题目】4026、InIDLEstate,ifanUEdoesnotincludeanactiveflag""intheTAUrequestmessagetheNASsignallingconnectionis()aftertheTAUprocedurecompletes.""
A、held
B、established
C、updated
D、released
【正确答案】D
【题目】4027、Whichiscorrectaboutthecomparisonofthebuildingpenetrationlossindifferentareas?
A、denseurbanarea>normalurbanarea>suburbarea>ruralarea
B、normalurbanarea>denseurbanarea>suburbarea>ruralarea
C、denseurbanarea D、denseurbanarea=normalurbanarea>suburbarea>ruralarea 【正确答案】A 【题目】4028、Whatdescriptioniscorrectaboutthefeedercablelossofthesamefrequencyandsamelengthbutdifferentsizes? A、1/2"">7/8"">5/4"" B、1/2""<7/8""<5/4"" C、1/2"">5/4"">7/8"" D、allabovearewrong 【正确答案】A 【题目】4029、Theuplinkinterferencemarginmainlyconsiderstheinfluenceof___________. A、thermalnoise B、environmentnoise C、intra-cellinterference D、inter-cellinterference 【正确答案】D 【题目】4030、IntheDenseUrbanenvironment,theShadowingStandardDeviationisnormallysetto____dB、 A、6 B、7 C、8 D、10 【正确答案】C 【题目】4031、IntheRuralenvironment,theShadowingStandardDeviationisnormallysetto____dB、 A、6 B、7 C、8 D、10 【正确答案】A 【题目】4032、Accordingtothesimulationresult,thevaluerangeofthehandovergainis____dB、 A、1to3 B、1to4 C、2to3 D、2to4 【正确答案】D 【题目】4033、WhentheUEoriginatesthedataservice,thevalueoftheBodyLossshouldbe____dB、 A、-3 B、0 C、1 D、3 【正确答案】B 【题目】4034、Forthethree-sectordirectionalsite,thethecoverageareaofeachsectoris____R2,whereRisthecellradius. A、1.5 B、1.73 C、1.95 D、2.6 【正确答案】C 【题目】4035、Thecoverageareaoftheomnidirectionalsiteis____R2,whereRisthecellradius. A、1.5 B、1.73 C、1.95 D、2.6 【正确答案】D 【题目】4036、IftheMIMO2x2isconfiguredonthedownlinkandtheeNodeB'stransmitpowerinthelinkbudgettableis40W/path,themaximumtransmitpoweroftheeNodeBis: A、20W B、40W C、60W D、80W 【正确答案】D 【题目】4037、WhichhandovermodeisadoptedbyLTE? A、softhandover B、hardhandover C、softerhandover D、relayhandover 【正确答案】B 【题目】4038、Whicheventtriggersinter-systemhandover? A、A1event B、A3event C、B1event D、A5event 【正确答案】C 【题目】4039、Whatisthecharacteristicofthenetworkauxiliaryhandover? A、ItreducesthesignalingloadandterminalcomplexitybutthereliabilityofthehandoverjudgmentislowereD、 B、Thehandoverisfasttoreducethehandovertimedelaybuttheterminalcomplexityisincreasedanditisnotareliablehandoverjudgment. C、Ithasalowersignalingloadandshorterhandovertimedelay. D、Itincreasesthereliabilityofthehandoverbutincreasesthecomplexityofthemobileequipmentandthesignalingloadofthecurrentwirelesslink. 【正确答案】C 【题目】4040、Theintra-frequency/inter-frequencyhandoverbasedonthecoverageisahandoverbasedonthe()eventanditstriggeringcriteriaistheratioofthequalityoftheneighborcelltothatoftheservingcellishigherthananabsolutethresholD、 A、A3 B、A5 C、A2 D、B1 【正确答案】A 【题目】4041、Whenistheintra-frequencymeasurementreleased? A、AftertheUEisswitchedfromonesystemtotheEUTRAN. B、WhentheUEenterstheRRC_IDLEstatE、 C、Aftertheintra-frequency/inter-frequencyhandover. D、AftertheRRCconnectionisestablisheD、 【正确答案】B 【题目】4042、WhichhandovermodeisadoptedbytheLTE? A、terminalcontrolhandover B、networkcontrolhandover C、terminalauxiliaryhandover D、networkauxiliaryhandover 【正确答案】C 【题目】4043、WhenthetimesoftheUEreportingmeasurementresultsreachthespecifiedtimesof(),theUEdoesnotreportthemeasurementresultstotheeNodeB,evenifthemeasuredvaluesatisfiesthetriggeringthresholdofthisevent. A、AmountofReportingforevent B、Reportingintervalforperiodical C、A5Threshold2forRSR D、Reportingintervalforevent 【正确答案】A 【题目】4044、WhichmessagecanberesentbytheHARQretransmissionmechanismintherandomaccessprocess? A、RandomAccessRequest B、RandomAccessResponse C、RRCConnectionRequest D、MeasurementReport 【正确答案】C 【题目】4045、TheHARQretransmissionstartsfromthe()messageintherandomaccessprocess? A、RandomAccessRequest B、RandomAccessResponse C、RRCConnectionRequest D、RRCConnectionSetup 【正确答案】C 【题目】4046、HowmanyLTErandomaccesspreamblescanbeconfiguredtothemaximum? A、60 B、64 C、63 D、59 【正确答案】B 【题目】4047、HowmanyPRBsareoccupiedbythePRACHinthefrequencydomain? A、6 B、12 C、2 D、10 【正确答案】A 【题目】4048、HowmanyPreambleFormatscanbeadoptedbytheLTEFDDsystem? A、1 B、2 C、4 D、5 【正确答案】C 【题目】4049、WhatdecidesthepositionofthetimedomainofthePRACHchannel? A、PRACHConfigurationIndex B、PreambleFormat C、RA-RNTI D、Ncs 【正确答案】A 【题目】4050、WhatwilltheeNodeBsetupwhenreceivingtheRRCConnectionRequestmessagesentbytheUEintheinitialattachprocess? A、SRB0 B、SRB1 C、SRB2 D、DRB 【正确答案】B 【题目】4051、WhatwilltheeNodeBsetupwhenreceivingtherandomaccessrequestmessagesentbytheUEintheinitialattachprocess? A、SRB0 B、SRB1 C、SRB2 D、DRB 【正确答案】A 【题目】4052、Whichbearerdoesnotadopttheencryptionalgorithmorintegrityprotectionalgorithm? A、SRB0 B、SRB1 C、SRB2 D、DRB 【正确答案】A 【题目】4053、Whattriggerstherandomaccessprocesswhenthedownlinkdataarrivesandtheuplinkdataarenotsynchronized? A、UE B、eNodeB C、MME D、S-GW 【正确答案】B 【题目】4054、ThecorrectconversionbetweenthetwounitsErlangandCCS(centumcallseconds)is(). A、1Erlang=36CCS B、1Erlang=360CCS C、1CCS=36Erlang D、1CCS=360Erlang 【正确答案】A 【题目】4055、1wattisequivalentto(). A、3dBW B、2dBW C、1dBW D、0dBW 【正确答案】D 【题目】4056、Infreespacepropagation,therelationbetweentheattenuationofthesignalreceivingpowerandthepropagationdistancecanbeexpressedas(). A、10dB/10octave B、20dB/10octave C、30dB/10octave D、40dB/10octave 【正确答案】B 【题目】4057、TheCOST-231-Hatamodelisapplicabletothefrequencyrangefrom(). A、150MHzto1500MHz B、900MHzto2000MHz C、900MHzto1500MHz D、1500MHzto2000MHz 【正确答案】D 【题目】4058、AboutERPandEIRP,theincorrectdescriptionis(). A、EIRPisthemaximumtransmitpowerthatcanbeobtainedbythetransmitterinthedirectionofmaximumantennagain(directionalantennaused),comparedwithanidealisotropicantenna,whichgetsthesamegaininalldirections. B、ERPisthemaximumtransmitpowerthatcanbeobtainedbythetransmitterinthedirectionofmaximumantennagain(directionalantennaused),comparedwithahalf-wavedipoleantennA、 C、Inatransmissionsystem,theERPislargerthantheEIRP. D、EIRP=Pt*Gt,wherePtisthetransmitpower,GtistheantennagainintheunitofdBi. 【正确答案】C 【题目】4059、Ifeachsubscribermakes1.2voicecallsontheaverageinbusyhoursandeachcalllastsfor90seconds,theavergevoicetrafficisthen()ErlanG、 A、0.2 B、0.3 C、0.02 D、0.03 【正确答案】D 【题目】4060、ThetransmitpowerofaUEisatmost23dBm,whichisequivalentto()W. A、0.15 B、0.2 C、0.25 D、0.3 【正确答案】B 【题目】4061、Inamobilecommunicationsystem,atreeleafmaycause(). A、directtra
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- 05 第三 无线 优化 通用 L311B 考试 题库 06