D337 ADVANCED PRACTICE EXAM FINAL LATEST 2026 ACTUAL EXAM TEST BANK| D337 INTERNET OF THINGS AND INFRASTRUCTURE OA FINAL EXAM REVIEW WITH 35 REAL EXAM QUESTIONS AND CORRECT VERIFIED ANSWERS/ ALREADY GRADED A+ (MOST RECENT!!)

D337 ADVANCED PRACTICE EXAM
FINAL LATEST 2026 ACTUAL EXAM
TEST BANK| D337 INTERNET OF
THINGS AND INFRASTRUCTURE OA
FINAL EXAM REVIEW WITH 35 REAL
EXAM QUESTIONS AND CORRECT
VERIFIED ANSWERS/ ALREADY
GRADED A+ (MOST RECENT!!)
1. InmamreferencemIoTmpipeline,mwhichmstatementmismMOSTmaccuratemaboutmdatammovementm
responsibility?mA)mAccessmnetworkmterminatesmTLSmandmstoresmstatemB)mGatewaymaggrega
tes/translatesmandmforwardsmupstreammC)mBackhaulmauthenticatesmdevicesmviamPKImD)mPla
tformmassignsmRFmchannelsmtomsensorsm-
mCORRECTmANSWERmAnswer:mB.mGatewaysmbridgemlocalmaccessmtomcoremservicesmandmfor


wardmcollectedmdata;maccessmprovidesmfirstmhop,mplatformmhandlesmhigher-levelmservices.



2. Amcampusmmovesmsensormradiosmfromm2.4mGHzmtomsub-
GHzmISM.mWhichmnetmeffectmismMOSTmexpected?mA)mLowermpenetration,mhighermdatamrate
mB)mHighermpenetration,mlowermdatamratemC)mSamemrange,mhighermthroughputmD)mAutomat


icmmeshmformationm-mCORRECTmANSWERmAnswer:mB.mSub-
GHzmgenerallymtravelsmfarthermandmpenetratesmbettermatmthemexpensemofmthroughput.



3. WhichmpairingmBESTmrepresentsmshort-rangemmeshmvsmlong-rangemnon-
mesh?mA)mZigbeemvsmLoRaWANmB)mLoRaWANmvsmZigbeemC)mSigfoxmvsmBLEmMeshmD)mNB-
IoTmvsmZ-Wavem-mCORRECTmANSWERmAnswer:mA.mZigbeem=mshort-
rangemmesh;mLoRaWANm=mLPWANmstarmtopology.



4. WhichmTWOmcomponentsmtogethermmostmdirectlymprovidemdevice→platformmconnectivity
?m(Choosem2)mA)mAccessmnetworkmB)mGatewaymC)mSensormD)mSCADAm-
mCORRECTmANSWERmAnswer:mA,mB.mAccessmismfirstmhop;mgatewaymaggregatesmandmforwar


dsmtomplatform.

, 5. Amcompanymwantsmtomcommandmdevicesmevenmwhenmtheymaremoffline,mthenmhavemthemma
pplymsettingsmatmreconnect.mWhichmmechanismmfitsmBEST?mA)mDigitalmtwinmwithmphysicsm
modelmB)mDevicemshadowmwithmdesired/reportedmfieldsmC)mMQTTmretainedmmessagemonly
mD)mStatemmachinemwithmnomcloudmstatem-


mCORRECTmANSWERmAnswer:mB.mShadowsmpersistmdesiredmvsmreportedmstatemsomdevicesm


canmconvergemwhenmtheymreconnect.



6. WhichmstatementmMOSTmcleanlymdistinguishesmdigitalmtwinmvsmdevicemshadow?mA)mTwinmi
smamDBmrow;mshadowmismamsimulationmB)mTwinmismamvirtualmmodelmofmbehavior/structure;ms
hadowmismcloudmstatemsyncmC)mBothmaremidenticalmD)mShadowmismonmdevice;mtwinmisminmthe
mgatewaym-mCORRECTmANSWERmAnswer:mB.mTwinm=mrichmvirtualmmodel;mshadowm=mcloud-


sidemstatemformsync.



7. Youmaremaskedmtomimplementmdeterministicmbehaviormformamsensormnodemwithmknownmtra
nsitionsmonmevents.mWhatmmodelmismMOSTmappropriate?mA)mACLmB)mFSMmC)mRBACmD)mDAG
m-


mCORRECTmANSWERmAnswer:mB.mFinitemstatemmachinesmencodemexplicitmstatesmandmlegalm


transitions.



8. Ambatterymnodemsendsmam30-
bytemreadingmeverym10mminutesmovermamlargemfarm.mWhichmfamilymismMOSTmappropriate?m
A)mWLANmB)mLPWANmC)mWPANmD)mPLCm-
mCORRECTmANSWERmAnswer:mB.mLPWANmtargetsmlongmrange,mtinympayloads,mlongmbattery


mlife.




9. PickmthemBESTmmappingmofmprotocolmandmtransport:mA)mCoAP/TCPmB)mMQTT/UDPmC)mAMQ
P/UDPmD)mCoAP/UDPmwithmDTLSm-
mCORRECTmANSWERmAnswer:mD.mCoAPmismUDP;msecuremwithmDTLS.mMQTTmnormallymrunsm


overmTCPm(optionmBmismamtrap).



10. AnmengineeringmteammproposesmHTTP/RESTmingestionmfrommthousandsmofmintermittentlym
connectedmsensors.mWhichmalternativemismMOSTmappropriate?mA)mSMTPmB)mAMQPmC)mMQ