H12-111-ENU HCIA-IoT考试认证题库

H12-111-ENUHCIA-IoTV2.5Exam

Preface

H12-111-ENUHCIA-IoTV2.5Exam

Firstly,thanksalottoeveryonewhosupportmefrommypartnersinsuccessandI'llstartfrommytheparents,wife,sons,andmysisterfromHuawei-IraqJeehanMohammedSalah,andmybrotherfromHuawei-YemenAhmedOmer,andallinstructorsfromUgandawhosearecontributetogivingeducationtoeveryyoungpersoninAfricaandtheMiddleEastwithoutborders,andtheypreparegenerationstounderstandthetechnologiesofferedbyHuaweiandobtainthecertificate.WearegratefulfortheireffortsasAlex,Daniel,NsengaSamuel,SandiSamuel,andJohnPeter...andI'msorryifImissedanyoneIdidn’twritehisname.

Secondly,thisdocumentisorientedtowardsgraduatedengineers&studentspreparingfortheexamofHuaweiCertifiedICTAssociateHCIA-IoTV.2.5.Themainideaofthisbookletistoprovidegraduatedengineers&studentswithanevaluationtoolfortheirunderstandingofthecoursecontent.Thisdocumentisnotanexamdump,becausethedumponlyfordummies,anditshouldneverbehandledlikethat,andwarningagainstviolatingthisactionforpublishing,paraphrasing,quotingfromitforcommercialreasonstobuyingandsellingonits,andobliteratingintellectualproperty,oranythingthantooltocoveringandunderstandingofthecoursecontentwithoutagreementfromme,itiscompletelyfreecharge.

Finally,HCIA-IoTisacoursepreparedprovidedbyHuawei.ItfocusesontheInternetofthingsexplainingthetechnologiesusedtosupportit,suchas5GandNB-IoT.I'monlysimplifyandcoverallthesubjectdependingonTrainingMaterial,andmaybesomemistakeoccursinwritethisdocumentwhichI'mnotinExpertlevelbutIstillinProfessionallevelandI'vecertificationsasHCIA-IoTV2.0,andHCIP-IoTDeveloperV2.0.

HCIA-IoT

010101901924808438691409

HCIP-IoTDeveloper

010201901924808426771409

TrueofFalse

ATcommandsaresentfromDTEtoDCE.

True

FalseAnswer:A

AfteraTEsendsanATcommandtoanMT,theMTsendsbackstheresponse.

True

FalseAnswer:A

Executioncommandscanbewrittenwithorwithoutparameters.

True

FalseAnswer:A

Executioncommandisusedtoinstructamoduletoexecuteaspecificfunction.

True

FalseAnswer:A

TheHuaweiIoTsolutionprovidesmultiplecommunicationstechnologies,suchas5G,NB-IoT,eLTE-IoT,andLoRa,fordeviceconnection.

True

FalseAnswer:A

Allprogramsprocesscomputerdatathroughasimplesetofinstructions.

True

FalseAnswer:A

Therearetwotypesofinstructionsetsintoday’stypicalarchitecture:RISCandCISC.

True

FalseAnswer:A

StandardMPUshaveasystemclockspeedof3GHz.

True

FalseAnswer:A

RAMstoresdatarunningintheprogram,itwilldisappearafterthepowergoesoff.

True

FalseAnswer:A

ADCstandsforAnalog-to-DigitalConverter

True

FalseAnswer:A

AninterruptistheprocesswheretheCPUstopstoexecuteanewprogram.

True

FalseAnswer:A

RTDstandsforResistanceTemperatureDetector.

True

False

Answer:A

Themessagequeueprovidesanasynchronousprocessingmechanism.

True

FalseAnswer:A

Aneventisnotassociatedwithatask.

True

FalseAnswer:A

Thesystemclockisalsoreferredtoastimescaleortick.

True

FalseAnswer:A

ITUreferredtotheIoTconceptattheworldsummitontheinformationsocietyin2005.

True

FalseAnswer:A

Industrial-gradedesignrequirementsincludetheneedofthegatewaytobedustproofandwaterproof.

True

FalseAnswer:A

AnIoTplatformrequiresdeviceaccessdecoupling,securityandreliability.

True

FalseAnswer:A

HuaweicloudIoTplatformusesLwM2MandMQTTtoaccessdevices.

True

FalseAnswer:A

DevicesthatusepropertyprotocolsbasedonTCP/UDPcanconnecttotheIoTplatformbyusingCIGsdeployedonthecloud.

True

FalseAnswer:A

HTTPisaheavyweightprotocolwithmanyheadersandrules,thus,itisnotsuitableforrestrictednetworks.

True

FalseAnswer:A

CoAPisbasedonHTTP.

True

FalseAnswer:A

Devicemanagementincludesdeviceregistrationandactivation.

True

FalseAnswer:A

IntheIoTplatform,firmwareandsoftwareupgradesfordevicesareachievedthroughFOTAandSOTArespectively.

True

FalseAnswer:A

HuaweicloudusesIdentityandAccessManagementforapplicationregistrationauthentication.

True

FalseAnswer:A

Multi-temperaturedatamanagementmaximizesprocessingefficiency.

True

FalseAnswer:A

HuaweicloudIoTisaccessagnostic.

True

FalseAnswer:A

TheIoTplatformhasitsownsecuritystrategies,itincludesoneforeachofthefollowing:device,networking,service,access,datastorageandaccesssecurity.

True

FalseAnswer:A

Thefirst3GPPstandardforthe5GisRelease-16.

True

FalseAnswer:A

Smartagricultureisanexampleofindustry-relatedIoTproducts.

True

FalseAnswer:A

IoTisanInternetwhereallthingsareinterconnected.

True

FalseAnswer:A

HuaweiIoTsolutionarchitectureis1+2+1.

True

FalseAnswer:A

FullyopensmartONTrequiresabitrateupto1Gbit/s.

True

FalseAnswer:A

IntheIoTmodel,devicemanagementandsecuritymaintenanceareperformedbytheplatform.

True

FalseAnswer:A

HuaweiLiteOSfeatureslowpowerconsumption,smallsize,andquickresponse.

True

FalseAnswer:A

IoTmodelincludes4layers.

True

FalseAnswer:A

DDoSstandsforDistributedDenialofService.

True

FalseAnswer:A

Pipedetection,cloud-cloudsynergyandtrusteddeviceauthenticationareeffectivemeanstoresolvesecuritythreats.

True

FalseAnswer:A

HuaweiIoTsecuritysystemprovidessecuritytodata,accessanddevices.

True

FalseAnswer:A

IntheHuaweiIoTsecuritysystem,theuseofdigitalsignatureincludesgenerationofpublicandprivatekeys.

True

FalseAnswer:A

Duringthelasttwodecades,theattackers'capabilitylevelhasincreased.

True

FalseAnswer:A

Inrecentdays,requirementsonattackers'capabilitiesarelow.

True

FalseAnswer:A

AI-basedattacksandransomwarevirusesareexamplesofattacktoolsdevelopedinthe2010s.

True

FalseAnswer:A

Anti-DDoSandsignalingstormsarepartofthepipesecurity.

True

FalseAnswer:A

Apriority-basedsystemisananti-DDoStool.

True

FalseAnswer:A

Thetwo-factorauthenticationcaninclude:certificateandpassword.

True

FalseAnswer:A

FEstandsforFastEthernet.

True

FalseAnswer:A

Micro-BisaUSBportType.

H12-111-ENUHCIA-IoTV2.5Exam

A.True

B.False

Answer:A

USB4.0bitratecangoupto40Gbit/s.

A.True

B.False

Answer:A

Wi-Ficanuse2.4GHzUHFor5GHzSHFISMradiofrequencybands.

A.True

B.False

Answer:A

IMT-Advancedistheofficialnameof4G.

True

FalseAnswer:A

LTEUEcategory1supportsadownlinkbitrateofupto10Mbit/s.

True

FalseAnswer:A

5GapplicationscenariosareeMBB,mMTCandURLLC.

True

FalseAnswer:A

NB-IoTiscategorizedasLPWAcommunicationtechnology.

True

FalseAnswer:A

Wi-FiandBluetoothareconsideredhigh-rateandshort-rangetechnologies.

True

FalseAnswer:A

NB-IoTandLoRaarelow-speedconnectiontechnologies.

True

FalseAnswer:A

TheIoToperatingsystemlowersthedevelopmentthresholdfordevelopers.

True

FalseAnswer:A

AIoT=Al+IoT,IoTintegratesAltopromoteinternetofeverything.

True

FalseAnswer:A

DISAgenttransmitsthesimulationdatageneratedintheclustertotheDISstream.

True

FalseAnswer:A

Afterwegetvendingmachinedata,thefirstimportantthingistododatacleaning

H12-111-ENUHCIA-IoTV2.5Exam

A.True

B.False

Answer:A

BydataforwardingyoucanuseotherHuaweicloudservice,soyoudon'tneedtopurchaseserversinyourcampus

A.True

B.False

Answer:A

5Gusessub-6Ghzandmmwave.

A.True

B.False

Answer:A

5GArchitecturesupportsbothNFVandSDN.

True

FalseAnswer:A

Trafficmanagementisacommonprobleminmoderncities.

True

FalseAnswer:A

Devicemanagementinthesmartcitysolutionincludes:2G/3G/4G,fixedandNB-IoTaccesses.

True

FalseAnswer:A

Smartmanholecoversolutioncanprovidereal-timemonitoring.

True

FalseAnswer:A

Securitymanagementisacommonproblemincampusmanagement.

True

FalseAnswer:A

Inthecampussolution,facialrecognitioncanbeusedtomanagevisitors.

True

FalseAnswer:A

V2XincludesV2N,V2I,V2P,andV2V.

True

FalseAnswer:A

DRISconsistsofV2XserverandV2Xedge.

True

FalseAnswer:A

DRISandHUDcanbeintegratedinanIoVsolution.

True

FalseAnswer:A

Blockchainisincludedin5IABCDE.

H12-111-ENUHCIA-IoTV2.5Exam

True

FalseAnswer:A

PowerLineCommunicationTechnologyreferredtoasPLC,referstoawayofcommunicationusingpowerlinestotransmitdataandmediasignals.

True

FalseAnswer:A

CIGcanbedeployedtogetherwiththeIoTplatformordeployedindependently.

True

FalseAnswer:A

Inwiredcommunications,thekeydifferencebetweenRS-485andRS-232isthatRS-485supportsone-to-manycommunicationwhileRS-232supportsonlyone-to-onecommunication.

True

FalseAnswer:A

TheVoLTEtechnologyenables4Guserstoavoidfallingbacktothe2/3Gnetworkwhenperformingvoicecalls.

True

FalseAnswer:A

Asanindependentcomponent,theLiteOSSDKdevice-cloudinterconnectioncomponentdoesnotdependonspecificchiparchitectureornetworkhardwaretypeandcanbeeasilyintegratedintovariouscommunicationmodules.

True

FalseAnswer:A

InthedirecthardwareconnectionmodeofHiLink,Wi-FimodulesthathavepassedtheHiLinkSDKandHuaweiLiteOScertificationareusedfordevelopmentonfirmwaresidestowardstheHiLinkcloud.ConnectioncapabilitiesareintegratedandaddedtotheHiLinkecosystem.

True

FalseAnswer:A

HuaweiHiLinkplatformsupportDirectHardwareandCloud-basedconnectionmodestoaccesstheplatform.

True

FalseAnswer:A

HuaweiHiLinkallowstwoconnectionmodes:directhardwareandcloud-based.

True

FalseAnswer:A

HuaweiHiLinkecosystemconnectionincludesmodules,SDKandrouters.

True

FalseAnswer:A

Ultra-wideband(UWB)technologypresentssofarthebestpositioningsolution.

True

FalseAnswer:A

Ladder-likewaterpricerequiresonefamilyonemeter,itisanimportantdrivingforceforwatercompaniestodevelopsmartmeterreading.

H12-111-ENUHCIA-IoTV2.5Exam

True

FalseAnswer:A

Thekeyrequirementsforintelligentparkingaretoreduceoperatingcosts,improveparkingspace,lowutilizationandparkingdifficulties,simultaneouslytakingintoaccountuserexperience,networkcostsandnetworkreliability.

True

FalseAnswer:A

Intelligentgatewayisthecoreoftheentiresmarthomenetwork,isthehomenetworkhub.

True

FalseAnswer:A

Thesmartgatewayisthecoreandhuboftheentiresmarthomenetwork.

True

FalseAnswer:A

Inthefieldofsmarthome,intelligentONTcanalsoprovidevariousInternetofThingsbasicaccesscapabilitiesincludingZig-bye/Z-wavebasedontheUSBDongleextension.Throughtheunityofaccessstandards,itwillbeabletointegratesmartdevicesfromdifferentmanufacturers.

True

FalseAnswer:A

Thethird-partyplatformsetsAESencryptionparametersforthespecifieddeviceIDontheOceanConnectplatform,itneedstouseAESencryptionforcommunicationbetweenthesubsequentOceanConnectplatformandthisvehicle-mounteddevice.

True

FalseAnswer:A

WhiteAppliancesareproductsthatcanalleviatelaborstrengthandimprovelivingconditionsandquality(productssuchasairconditionersandrefrigerators).

True

FalseAnswer:A

JasperandEricssonarecurrentlythetwomostdominantvendorsintermsofbottom-layerconnectionmanagementplatformsforoperators'InternetofThingsnetworks.

True

FalseAnswer:A

SigFoxstartedinFranceandLoRawasoriginatedinUS.Thetwohavesimilarbusinesspatternsandarewidelyappliedinprivatenetworks.

True

FalseAnswer:A

UBIisanapplicationoftheInternetofVehicles,whichisaninsurancebusinessbasedondrivingbehavior.

True

FalseAnswer:A

Ittookonly9monthstocompleteNB-IoTprotocolsfrominitiationtofinalization.

True

False

Answer:A

ThedevelopmentoftheoperatingsystemgoesthroughPCera,Internetera,andMobileInternetera.

True

FalseAnswer:A

IfthereisalargetransformernearthePLCenvironment,thetransformermightcauseseriousnoiseinterferenceoncommunications.

True

FalseAnswer:A

Thesmarthomenetworkconsistsofthebasicbroadbandnetworkandintelligentinterconnectionnetwork.Thesmarthomeaccessesbroadbandnetworksofcarriers.

True

FalseAnswer:A

IoTapplicationsarepenetratingintoallwalksoflifefromthewirelessradiofrequency(RF)fieldtosmartwearablesandsmarthomes.

True

FalseAnswer:A

CellularmobilecommunicationplaysanimportantroleintheIoTfield.

True

FalseAnswer:A

Frequencyhoppingallowsthephysicalchannelforuplinkdatatransmissiontochangeconstantly,avoidingsustainedinterference.

True

FalseAnswer:A

HuaweiLiteOSisa1+Narchitecture

True

FalseAnswer:A

Dataintheread-onlymemory(ROM)doesnotdisappearafterthepower-off

True

FalseAnswer:A

ATcommandsareusedtocontroltherulesofinteractionbetweenaTEandanMT

True

FalseAnswer:A

Inthepowerindustry,themainadvantageofachievingAMIremotemeterreadingwitheLTE-IoTisbroadcoverage,massiveconnectivity,easeofdeploymentandexpansion.

True

FalseAnswer:A

HUAWEICLOUDIoTplatformsupportstwocommanddeliverymode:immediatedeliveryanddelayeddelivery.

True

FalseAnswer:A

AnIoTapplicationmustbeauthenticatedbeforebeingconnectedtotheIoTplatform.

True

FalseAnswer:A

BeforeconnectinganIoTapplicationtotheIoTplatform,authenticationisrequired.

True

FalseAnswer:A

Theentireprocessofthepowersystemisasfollows:powergeneration,transformation,transmission,transformation,distribution,andpowerconsumption.

True

FalseAnswer:A

SomecontrolmessagesofIoTdevicesarenotforwardedinrealtime.TheOceanConnectplatformstoresthesecontrolmessages.

True

FalseAnswer:A

HuaweiLiteOSsupportsinterruptresponseandinterruptnon-response.

True

FalseAnswer:A

RPLisadistance-vector-basedroutingprotocol.

True

FalseAnswer:A

TheapplicationintegrationserviceoftheHUAWEICLOUDIoTplatformprovidescapabilitiesforapplicationstoaccesstheplatformandopensupplatformcapabilitiesthroughAPIs.

True

FalseAnswer:A

Intheexperimentofdevice-cloudinterconnectionbasedonNB-IoT,theATcommandisinputthroughthePCporttocontroltheNB-IoTmodulewithabaudrateof115200,whichisrelatedtothebaudrateofUARTport.

True

FalseAnswer:A

Asamechanismforinter-taskcommunication,asemaphoreenablestaskstoaccesssystemresourcesasynchronouslyoraccesscriticalresourcesexclusively.

True

FalseAnswer:A

Whenauserprocessesaservice,themessagequeueprovidesanasynchronousprocessingmechanism.Theuserisallowedtoputamessageintoaqueueforlaterprocessing.

True

FalseAnswer:A

NB-IoTisatechnologyapplicableto5GmMTCscenarios.

True

FalseAnswer:A

ThebasickernelofHuaweiLiteOScanbetailoredtobelessthan10KB.

True

FalseAnswer:A

NB-IoThasbeenrecognizedasa5Gtechnology.

True

FalseAnswer:A

NB-IoTandNRcancoexist.

True

FalseAnswer:A

Peripheralshardwareincludesexternalmemory,inputdevicesandoutputdevices.

True

FalseAnswer:A

Punchedtapesareanexampleofthemanualoperationsystem.

True

FalseAnswer:A

Multi-jobbatchprocessingOSdevelopedtotime-sharingOS.

True

FalseAnswer:A

Insingle-jobbatchprocessingOSprogramsareloadedintothememoryandexecutedindividually.

True

FalseAnswer:A

OpensourceHuaweiLiteOSenteredtheIoTfieldin2015.

True

FalseAnswer:A

HighrequirementsonperformanceandpowerconsumptionforvideosaretwochallengesfacingtheIoTOS.

True

FalseAnswer:A

Smartterminalsneedtomeetthreestandards:smartconnections,smartnetworkingandsmartmanagement.

True

FalseAnswer:A

TheindustryrecognizesNB-IoTevolutionandagreestoincorporateitintotheoverall5Gplan.

True

FalseAnswer:A

NB-IoTusesretransmissionovertheairinterfaceandultra-narrowbandwidthtoprovideanextragainofover20dBcomparedwithGSM.

True

False

Answer:A

NB-IoTisbasedoncellularnetworksandcoexistswithothernetworksofthistype.

True

FalseAnswer:A

NB-IoTsupportsthreedeploymentmodes.

True

FalseAnswer:A

DRXperiodcanbe1.28,2.56,5.12or10.24s,anditisdeterminedbytheoperator'snetwork.

True

FalseAnswer:A

ThemaximumeDRXperiodis2.92hours.

True

FalseAnswer:A

AnIoTdevicecanbeinthedormantstateforupto99%ofthetotaltime.

True

FalseAnswer:A

NB-IoTisawidecoveragetechnology.

True

FalseAnswer:A

NB-IoTdownlinkhas12subcarrierseachis15kHz.

True

FalseAnswer:A

OFDMAisanevolutionofOFDMthatcombinesitwithFDMA.

True

FalseAnswer:A

Sensingtechnologyisbasicallysensortechnology.Itcansenseanambientenvironmentoraspecialsubstancetoimplementfunctionssuchasgassensing,lightsensing,temperatureandhumiditysensing,andhumanbodysensing,convertananalogsignalintoadigitalone,andsendthedigitalsignaltoaCPUforprocessing.

True

FalseAnswer:A

InterruptionreferstotheprocessinwhichtheCPUstopstoexecuteanewprogram.

True

FalseAnswer:A

Ataskistheminimumrunningunittocompeteforsystemresources.

True

FalseAnswer:A

Atotalof128subcarrierscanbedeployedforPLC-IoT.

True

False

Answer:A

ThePLCtechnologyreferstoacommunicationmodeinwhichdataandmediasignalsaretransmittedusingpowerlines.

True

FalseAnswer:A

Anoperatingsystem(OS)isacomputerprogramthatmanagescomputersoftwareandhardware.

True

FalseAnswer:A

LPWAisshortforLow-PowerWide-Area.

True

FalseAnswer:A

TheIoTconnectionmanagementplatformismainlyusedforterminalaccessdecouplingandcapabilityexposure.

True

FalseAnswer:A

Asecure,reliableplatformthatsupportsdeviceaccessdecouplingandcapabilityopennessisrequiredtodevelopIoTservices.

True

FalseAnswer:A

HUAWEIPandMateseriessmartphonesusetheHuaweiLiteOSsmartsensingframework,whichworkswiththephotosensitivemoduletoreducepedometerpowerconsumptionandimprovemeasurementaccuracy.

True

FalseAnswer:A

AnOSisacomputerprogramthatmanagescomputerhardwareandsoftwareresources.

True

FalseAnswer:A

ThecommunicationtechnologyusedbythevendingmachineisWIFI.

True

FalseAnswer:A

HuaweiLiteOSisalightweightIoToperatingsystembuiltbyHuaweifortheIoTfield.

True

FalseAnswer:A

Theproject.mkfiledefinesallfilestobemigrated.

True

FalseAnswer:A

Theiot_linkfoldercontainsallfunctioncodesoftheLiteOSSDK.

True

FalseAnswer:A

oc_mqtt_report_entryindicatesthedatareportingtask.

True

FalseAnswer:A

AfterdatafilesareuploadedtotheOBSbucket,youneedtomanuallysynchronizethedataintheModelArtsdevelopmentenvironment

True

FalseAnswer:A

Afterwegetthemodelandwewanttoapplymodel,weusethemodel.save()functiontosaveourmodel.

True

FalseAnswer:A

Afterwegetdata,weneedtoseethequalityofthedata,andthencleandata,buildmodels,trainmodels,evaluatemodel,andapplyyourmodel.

True

FalseAnswer:A

NeuralnetworksismainDeeplearningalgorithm,itisbasedonhowtohumanbrainworks.

True

FalseAnswer:A

Therearevarietyoftypesofneuralnetworks,thenetworklayercanbebroadlydividedintoinput,hidden,andtheoutputlayer.

True

FalseAnswer:A

Thehierarchicalclusteringalgorithmcanclusterintonon-convexshapes.

True

FalseAnswer:A

In5G,URLLCscenariosneedtoprovideultra-highreliabilityandultra-lowlatencyservices.

True

FalseAnswer:A

VR,ARandMRareexamplesofeMBBscenarios.

True

FalseAnswer:A

NSAcancoexistwithSA.

True

FalseAnswer:A

eNBstandsforevolvedNodeB.

True

FalseAnswer:A

5GNewRadiosupportsMassiveMIMO.

True

FalseAnswer:A

Productdevelopmentincludesproductmanagement,modeldevelopingandonlinedebugging.

True

FalseAnswer:A

Theprofiledescribeswhatadeviceis,whatitcandoandhowtocontrolit.

True

FalseAnswer:A

OnlydatathatismatchedwiththeproductmodelissavedontheIoTplatform.

True

FalseAnswer:A

Graphicalcodecdevelopmentisrecommended.

True

FalseAnswer:A

PUTactionisusedtoupdateresourcesontheserver.

True

FalseAnswer:A

InanAPImessage,pathparameterincludesthepathpartintheURL.

True

FalseAnswer:A

Applicationaccessauthenticationisachievedbyexchangingmessageswiththeplatform'sIAM.

True

FalseAnswer:A

Creatingadevicerequiresregisteringitinthecloudfirstandthenbindingit.

True

FalseAnswer:A

AlldevelopmentsonthedevicesidecanbeachievedusingMQTTandCoAP/LwM2M.

True

FalseAnswer:A

AuthenticationfordevicesispossibleusingNativeMQTTorMQTTS.

True

FalseAnswer:A

Whendeletingadevicesuccessfully,thereturnedcodeis204.

True

FalseAnswer:A

Sub-3GHzmeanslowerthan3000MHzandC-bandcovers3000-6000MHz.

True

H12-111-ENUHCIA-IoTV2.5Exam

FalseAnswer:A

MassiveMIMOsupports64transceiverantennasand64forreceivers.

True

FalseAnswer:A

Release15isthefirst3GGPstandarddedicatedfor5G.

True

FalseAnswer:A

Comparedtothe4Gtechnology,latencyin5Gis30to50timesless.

True

FalseAnswer:A

Comparedtothe4Gtechnology,throughputin5Gis100timeshigher.

True

FalseAnswer:A

5Gcansupportanumberofconnectionsperkm2upto1million.

True

FalseAnswer:A

APstandsforAccessPoint.

True

FalseAnswer:A

SmarthomedevicescanusePLC.

True

FalseAnswer:A

Securitysurveillanceisoneapplicationofthesmarthomescenario.

True

FalseAnswer:A

Wi-Fi,ZigBee,Z-WaveandBluetoothareexamplesofwirelesscommunicationtechnologiessupportedbythesmarthomegateway.

True

FalseAnswer:A

IndustrialIoTgatewayincludesextensiveinterfacesandprotocols.

True

FalseAnswer:A

IndustrialIoTgatewayusesedgecomputingtoreducelatency.

True

FalseAnswer:A

Bustopologyissimpleandeasytoexpand.

True

FalseAnswer:A

3T+1Mmeans3securitytiresand1managementlayer.

True

FalseAnswer:B

Datainterceptionandtamperingisnotconsideredasasecuritythreat.

True

FalseAnswer:B

APIattacksarecategorizedasapipethreat.

True

FalseAnswer:B

EthernetusesCSMA/CAtodetectcollisions.

True

FalseAnswer:B

Doesthedevicelayergeneratedatasetandforwardrulestoothercloudservices?

True

FalseAnswer:B

AnOSisacomputerprogramthatonlymanagescomputersoftwareresources

True

FalseAnswer:B

Multi-tonetransmissionismandatoryforterminaldevices,whilesingle-tonetransmissionisoptional.

True

FalseAnswer:B

HuaweiLiteOStaskshave32prioritiesfrom0to31.Thehighestpriorityis0,andthelowestis31.Ataskwithahigherprioritycanpreemptataskwithalowerone.Ataskwithalowerprioritycanbescheduledonlyafterataskwithahigheroneiscompleted.

True

FalseAnswer:B

TheMCLvalueofNB-IoTis164,whichincreasesby30dBcomparedwithGPRS

True

FalseAnswer:B

HuaweiLiteOSconsistsofbasicOScomponentssuchastaskmanagement,memorymanagement,timemanagement,communicationmechanism,interruptmanagement,queuemanagement,eventmanagement,timer,andexceptionmanagement.Thesecomponentscannotrunindependently.

True

FalseAnswer:B

TheNB-IoTmodulemaynotusetheATINYframeworkoftheHuaweiLiteOSbecausetheprotocolstackassembledbytheNB-IoTmodulecanbeparsedbytheplatform.

True

FalseAnswer:B

TheAR501L1Rcmodeldevicesonlysupportswitchinganddonotprocessthedimmingfunction.

True

FalseAnswer:B

Homenetworksuseastartopology,eithernoworinthefuture.

True

FalseAnswer:B

IntheHUAWEICLOUDIoTplatform,FOTA,alsocalledsoftwareovertheair,allowsuserstoupgradeMCUsofdevicesbasedonHuawei'sPCPupgradeprotocol.

True

FalseAnswer:B

ThenetworklayeroftheIoTsolutionusesonlywirelesscommunicationtechnologies.

True

FalseAnswer:B

PowerLineCommunication(PLC)canbeusedtotransmitdataacrosstransformerequipment.

True

FalseAnswer:B

ThearchitectureoftheTrojanRoomCoffeePotisacompleteIoTarchitecturewithfourlayers:sensing,network,platform,andapplication.

True

FalseAnswer:B

Edgecomputingandcloudcomputingaremutuallyexclusiveandcannotco-exist.

True

FalseAnswer:B

Edgecomputingandcloudcomputingaremutuallyexclusiveandcannotcoexist.

True

FalseAnswer:B

IoTsecuritytechnologiesarefocusedonlyonthesensinglayer.

True

FalseAnswer:B

ThesystembandwidthofNB-IoTis200kHz.

True

FalseAnswer:B

5Gnetworkingcanonlybebasedonthestandalone(SA)mode.

True

FalseAnswer:B

Wi-Fitechnologyiscommonlyusedforparking,firefighting,andmanholecovermanagementinsmartcities?

True

FalseAnswer:B

ThemaximumtransmissiondistanceoftheM-Busis1,000m.TheM-Buscannotsupplypowertoonsitedevices,andauxiliarypowercablesarerequired.

True

FalseAnswer:B

ThemaximumtransmissiondistanceoftheM-Busis1000m.TheM-Buscannotsupplypowertoonsitedevices,andauxiliarypowercablesarerequired.

True

FalseAnswer:B

BeforecallingAPIsprovidedbytheHUAWEICLOUDIoTplatform,youdonotneedtocarrytheAPIcredentialtocalltheIAMAPIforobtainingatoken.

True

FalseAnswer:B

The3T+1MframeworkoftheHuaweiIoTsecuritysolutiondoesnotincludetheapplicationlayer.Therefore,youdonotneedtopayattentiontoapplicationlayersecurity.

True

FalseAnswer:B

AllNB-IoTnetworksaredeployedonthelicensedsub-GHzfrequencybands.

True

FalseAnswer:B

Inthe"3T+1M"architectureofHuaweiIoTsecuritysolution,"3T"referstothreesecuritytechnologiesattheSensinglayer.

True

FalseAnswer:B

TheIoTconceptwasproposedbyKevinAshtonin1991.

True

FalseAnswer:B

SmarthomenetworkincludesthebasichomenetworkandsmartInternet.

True

FalseAnswer:B

NB-IoTisanarrowbandwirelesscommunicationtechnology.Enterprisescanusethistechnologyasrequired.

True

FalseAnswer:B

NB-IoTfocusesonIoTandfeatureswidecoverage,lowpowerconsumption,highrate,andmassiveconnections.

True

FalseAnswer:B

WiththeadventofNB-IoT,thelong-distancelow-powersolutiontermedenvironmentpowersupplywouldbenolongeruseful.

True

FalseAnswer:B

Streetlampcontrolconcernsabouton/offstatesonly.Brightnessandstatusmonitoringarenotneededforconcern.

True

FalseAnswer:B

Inrealimplementations,ZigBeeallowsforacommunicationdistanceofuptodozensofhundredsofmeters.

True

FalseAnswer:B

Ittakesabout1minutefordevicestostartwithLiteOS.

True

FalseAnswer:B

ThetaskinHuaweiLiteOSisthepreemptiveschedulingmechanism.Currently,thetimeslicerotationschedulingmodeisnotsupported.

True

FalseAnswer:B

IoTisanInternetwhereallthingsareinterconnected.Thissentencehas