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1Thecentralhubhasmalfunctionedinthenetwork.Asaresult,theentirenetworkisdown.Whichtypeofphysicalnetworktopologyisimplemented?busstarringmesh2WhichofthefollowingarelayersoftheTCP/IPmodel?(Choosethree.)ApplicationPhysicalInternetNetworkAccessPresentation3Aswitchhasfailedinthenetwork.Asaresult,onlyonesegmentofthenetworkisdown.Whichtypeofphysicalnetworktopologyisimplemented?busringstarextendedstar4Refertotheexhibit.WhichcolumnshowsthecorrectsequenceofOSImodellayers?ABCD5WhichtermdescribestheprocessofaddingheaderstodataasitmovesdownOSIlayers?divisionencodingseparationsegmentationencapsulation6WhichlayeroftheOSImodelprovidesconnectivityandpathselectionbetweentwoendsystemswhereroutingoccurs?physicallayerdatalinklayernetworklayertransportlayer7WhichthreefeaturesapplytoLANconnections?(Choosethree.)operateusingserialinterfacesmakenetworkconnectionusingahublimitedtooperationoversmallgeographicareasprovidepart-timeconnectivitytoremoteservicestypicallyoperateunderlocaladministrativecontrolprovidelowerbandwidthservicescomparedtoWANs8Whatisthetermusedtodescribethetransportlayerprotocoldataunit?bitspacketssegmentsframesdatastreams9Refertotheexhibit.IdentifythedeviceslabeledA,B,C,andDinthenetworkphysicaldocumentation.A=bridge,B=switch,C=router,D=hubA=bridge,B=hub,C=router,D=switchA=bridge,B=router,C=hub,D=switchA=hub,B=bridge,C=router,D=switch10Whichbestdescribesthefunctionofthephysicallayer?Definestheelectricalandfunctionalspecificationsforthelinkbetweenendsystems.Providesreliabletransitofdataacrossaphysicallink.Providesconnectivityandpathselectionbetweentwoendsystems.Concernedwithphysicaladdressing,networktopologyandmediaaccess.11Whichofthefollowingarefactorsthatdeterminethroughput?(Choosetwo.)typesofpasswordsusedonserverstypeofLayer3protocolusednetworktopologywidthofthenetworkcablenumberofusersonthenetwork12WhichtwofeaturesapplytoWANconnections?(Choosetwo.)operateusingserialinterfacesmakenetworkconnectionusingahublimitedtooperationoversmallgeographicareastypicallyoperateunderlocaladministrativecontrolprovidelowerbandwidthservicescomparedtoLANs13Whatmakesiteasierfordifferentnetworkingvendorstodesignsoftwareandhardwarethatwillinteroperate?OSImodelproprietarydesignsIPaddressingschemestandardlogicaltopologiesstandardphysicaltopologies14Refertothefollowinglist.Choosethecorrectorderofdataencapsulationwhenadevicesendsinformation.1.segments2.bits3.packets4.data5.frames1-3-5-4-22-1-3-5-42-4-3-5-14-3-1-2-54-1-3-5-23-5-1-2-415WhatisoneadvantageofdefiningnetworkcommunicationbythesevenlayersoftheOSImodel?Itincreasesthebandwidthofanetwork.Itmakesnetworkingeasiertolearnandunderstand.Iteliminatesmanyprotocolrestrictions.Itincreasesthethroughputofanetwork.Itreducestheneedfortestingnetworkconnectivity.16WhichlayeroftheOSImodelprovidesnetworkservicestoprocessesinelectronicmailandfiletransferprograms?datalinktransportnetworkapplication17Whichofthefollowingarewaysthatbandwidthiscommonlymeasured?(Choosethree.)GHzpskbpsMbpsNbpsMHzpsGbps18Whichofthefollowingaredatalinklayerencapsulationdetails?(Choosetwo.)Aheaderandtrailerareadded.Dataisconvertedintopackets.Packetsarepackagedintoframes.Framesaredividedintosegments.PacketsarechangedintobitsforInternettravel.