PROGRESSION FIELD TECH IV – V QUESTIONS WITH CORRECT ANSWERS 2025

PROGRESSION: FIELD TECH IV – V QUESTIONS
WITH CORRECT ANSWERS 2025
BasebandTsignalingT-TCORRECTTANSWERT-isTpredominantTinTEthernetTnetworks.



twoTwaysTweTcanTuseTaTflowTofTenergyTtoTcarryTdataT-TCORRECTTANSWERT-AnalogTandTdigital



SimplexT-TCORRECTTANSWERT-
ATsignalTmayTflowTinTonlyToneTdirection.TATcommercialTradioTstationTusesTsimplexTcommunication,Tbecaus
eTlistenersTcannotTtransmitTradioTsignalsTbackTtoTtheTstation.



Half-duplexT-TCORRECTTANSWERT-
SignalsTmayTflowTinTeitherTdirection,TbutTnotTsimultaneously.TForTexample,TaTtwo-
wayTradioTallowsTonlyToneTuserTtoTspeakTatTanyToneTtime.



Full-duplexT-TCORRECTTANSWERT-
SignalsTmayTflowTinTbothTdirectionsTsimultaneously.TATtelephoneTisTtheTbestTexampleTofTfull-
duplexTcommunication.TOneTwireTbringsTaTsignalTfromTtheTtelephoneTcompanyTtoTyourThome,TandTaTsecon
dTwireTcarriesTaTseparateTsignalTfromTyourThomeTbackTtoTtheTtelephoneTcompany.TThus,TyouTcanTbothThear
TandTspeakTsimultaneously.




SynchronousT-TCORRECTTANSWERT-
TheTcommunicatingTpartiesTorTendpointsTuseTtimeTtoTorganizeTcommunication.TInTaTdataTnetwork,TtwoTco
mmunicatingTcomputersTuseTeachTclockT"tick"TtoTdetectTwhetherTaTdigitalTbitTisTaT1TorT0.TForTexample,TasTe
achTtimeTintervalTpasses,TaTcomputerTchecksTtheTnetworkTcableTtoTseeTwhetherTtheTvoltageTisThighT(binaryT
1)TorTlowT(binaryT0).TBecauseTtheTtimingTdeterminesTtheTmeaningTofTtheTsignal,TitTisTessentialTthatTtheTend
pointsTareTsynchronizedTtoTtheTsameTclockTbeforeTsendingTsignals.



AsynchronousT-TCORRECTTANSWERT-
BitsTareTnotTtransmittedTonTanyTstrictTtimetable.TForTexample,TaTcomputerTmodemTtypicallyTusesT8TbitsTtoT
representToneTcharacterTorTletter.TToTindicateTtheTstartTofTeachTcharacter,TtheTsendingTmodemTtransmitsTaT
"start"TbitTtoTalertTtheTreceivingTendTtoTtheTincomingTsignal.TAfterTtheTfinalTbitTofTtheTeighthTcharacterTisTtr
ansmitted,TtheTsendingTmodemTtransmitsTaT"stop"TbitTtoTindicateTtheTendTofTtheTcharacter.TThisTprocessTisT
repeatedTforTeachTcharacterTtheTmodemTtransmits.TThus,TtheTreceivingTmodemTmustTstayTsynchronizedTto
TtheTsignalTonlyTforTtheTlengthTofTtimeTitTtakesTtoTtransmitT8Tbits.TIfTtheTsendingTandTreceivingTclocksTareTsli

ghtlyToutTofTsynchronization,TtheseTshortTdataTtransfersTwillTstillTbeTsuccessful.

,WhichTofTtheTfollowingTisTmostTtypicalTofTaTbroadbandTnetwork?T-TCORRECTTANSWERT-
MultipleTanalogTchannels



DataTbusTsizeT-TCORRECTTANSWERT-
TheTsizeTofTtheTbusTrefersTtoTtheTnumberTofTdataTbitsTaTCPUTcanTworkTonTinTaTsingleTinstruction.



ClockTspeedT-TCORRECTTANSWERT-
TheTclockTspeedTindicatesThowTmanyTinstructionsTperTsecondTtheTprocessorTcanTexecute.TEachT"tick"TofTth
eTclockTisTcalledTaTcycle,TthusTclockTspeedTisTmeasuredTinTcyclesTperTsecond.TATsingleTcycleTperTsecondTisTcal
ledT1ThertzT(Hz),T1,000THzTisT1TkilohertzT(kHz),T1TmillionTHzTisT1TmegahertzT(MHz),TandT1TbillionTHzTisT1Tgigah
ertzT(GHz).TATCPUTthatTrunsTatT400,000,000TcyclesTperTsecondTisTaT400-TMHzTprocessor.



storageT-TCORRECTTANSWERT-
usedTtoTdescribeTmediaTthatTholdTdataTforTlongerTperiods,TevenTwhenTtheTpowerTgoesToff.



WhatTcomponentsTareTcommonTtoTallTcomputerTsystems?T(CheckTallTthatTapply.)T-TCORRECTTANSWERT-
Processor

Memory

Storage

I/O



WhatTdoesTI/OTstandTfor?T-TCORRECTTANSWERT-InputT/TOutput



ATNICTisTaTdeviceTusedTfor:T-TCORRECTTANSWERT-Signaling



ATsoundTcardTisTwhatTgeneralTtypeTofTcomputerTcomponent?T-TCORRECTTANSWERT-Input/output



DistributedTapplicationsT-TCORRECTTANSWERT-
ApplicationsTcanTbeTdistributedTonTtheTnetworkTbasedTonTtheirTrequirementsTforTresources.TForTexample,T
anTapplicationTthatTprovidesTcomputing-
intensiveTservicesTcanTbeTinstalledTonTaTcomputerTwithTveryThighTprocessingTcapacity,TwhileTtheTuser'sTclie
ntTapplicationTrunsTonTaTworkstationTthatTprovidesThigh-endTgraphicTdisplayTcapabilities.

, ResourceTsharingT-TCORRECTTANSWERT-
ATserverTprocessTtypicallyTcanTserveTmanyTclients,TthusTclient/serverTarchitectureTisTaTgoodTwayTtoTshareTm
anyTtypesTofTresourcesTacrossTanTorganization.



ApplicationsT-TCORRECTTANSWERT-softwareTprogramsTusedTtoTperformTwork



Peer-to-peerTnetworkingTsoftwareT-TCORRECTTANSWERT-
isTincludedTwithTmostTpopularTdesktopTOSs.TEachTindividualTuserTconfiguresTsoftwareTsettingsTtoTallowTorT
disallowTtheTsharingTofTthatTcomputer'sTresourcesTbyTotherTusers.TThereTisTnoTcentralTauthorityTthatTdecid
esTwhatTusersTmayThaveTaccessTtoTwhatTresources.



ATnetworkTOST(NOS)T-TCORRECTTANSWERT-
alsoTcalledTaTclient/serverTOS,TprovidesTcentralizedTcontrolTofTallTnetworkTresources.TATnetworkTadministra
torTcanTdecideTwhatTeachTuserTmayTseeTandTdoTonTtheTnetwork.TByTfar,TtheTmostTcommonTNOSTpackagesTa
reTMicrosoftTandTUNIX/LinuxTservers.



WhichTofTtheTfollowingTisTmanagedTbyTtheTOS?T-TCORRECTTANSWERT-KeyboardTinput

ScreenTdisplay

FileTI/O

PeripheralTcontrol



TheTprimaryTpurposeTofTaTdeviceTdriverTisTtoTcontrolThardwareTunderTtheTsupervisionTofTtheTOS.TTrueTorTFa
lse?T-TCORRECTTANSWERT-True



MostTLANsT-TCORRECTTANSWERT-useTstarTbusTtopologies.



PersonalTAreaTNetworksT(PAN)T-TCORRECTTANSWERT-
areTsmallTandTlocal.TPANsTconnectTbyTmeansTofTBluetoothTwirelessTandTcanTconnectTphones,Ttablets,Tmice,
Tkeyboards,TandTmore.




LocalTAreaTNetworksT(LAN)T-TCORRECTTANSWERT-
canTrangeTfromTaTfewTnodesTinTaThomeToffice,TtoTseveralThundredTnodesTinTaTcorporation.THowever,TaTLANT
isTtypicallyTconfinedTtoTaTsingleTbuilding.