WGU D481 - Section 2 OA Prep Questions with Correct Answers 2025

WGU D481 - Section 2 OA Prep
Questions with Correct Answers 2025
Circuit-switchedH-HCORRECTHANSWERH-CreatesHaHpathHbetweenHsourceHandHdestinationHdevices



ExtranetH-HCORRECTHANSWERH-
PrivateHnetworkHforHauthorizedHexternalHusersHtoHshareHinformation



InternetHProtocolH(IP)H-HCORRECTHANSWERH-
DeliversHpacketsHacrossHnetworksHbyHhandlingHroutingHdecisions



InternetHProtocolH(IP)HSuiteH-HCORRECTHANSWERH-AnotherHnameHforHtheHTCP/IPHsuite



InternetworkingH-HCORRECTHANSWERH-ConnectingHmultipleHcomputerHnetworks



IntranetH-HCORRECTHANSWERH-Private,HinternalHnetwork



LogicalHTopologyH-HCORRECTHANSWERH-
ShowsHhowHdevicesHconnectHtoHaHspecificHsegmentHofHtheHnetwork



NetworkHTopologyH-HCORRECTHANSWERH-MapHofHaHnetworkHandHhowHdevicesHareHconnected



OpenHSystemsHInterconnectionH(OSI)HReferenceHModelH-HCORRECTHANSWERH-
FrameworkHofHstandardsHforHcomputerHsystemHcommunication



Packet-switchedH-HCORRECTHANSWERH-NetworksHthatHtransmitHpacketsHasHindividualHmessages



PhysicalHTopologyH-HCORRECTHANSWERH-PhysicalHnetworkHdevicesHandHdevicesHusedHtoHconnect

,Point-to-pointHNetworkH-HCORRECTHANSWERH-
NetworkHconsistingHonlyHofHdirectlyHconnectedHcomputersHandHdevices



TransmissionHControlHProtocolH(TCP)H-HCORRECTHANSWERH-
GuaranteesHreliableHdataHstreamHbetweenHtwoHcomputers



TransmissionHControlHProtocol/InternetHProtocolH(TCP/IP)HReferenceHModelH-
HCORRECTHANSWERH-DescriptiveHframeworkHforHcomputerHnetworkHprotocols




TransmissionHControlHProtocol/InternetHProtocolH(TCP/IP)HSuiteH-HCORRECTHANSWERH-
CollectionHthatHprovidesHsupportHtoHinternet-capableHsystemsHandHdevices



DataHLinkHLayerH-HCORRECTHANSWERH-SecondHlayerHofHtheHOSIHmodel,HalsoHcalledHLayerH2



BridgesH-HCORRECTHANSWERH-NetworkHdevicesHthatHinterconnectHtwoHorHmoreHLANs



EthernetH-HCORRECTHANSWERH-WiredHsystemHforHconnectingHdevicesHinHlocalHareaHnetworks



HubH-HCORRECTHANSWERH-HardwareHdeviceHthatHconnectsHmultipleHnetworkingHdevices



IEEEH802.3HStandardsH-HCORRECTHANSWERH-
EthernetHstandardsHandHprotocolsHestablishedHbyHIEEE



IEEEH802.3HCSMA/CDHStandardsH-HCORRECTHANSWERH-StandardHspecificationsHforHEthernet



PhysicalHLayerH-HCORRECTHANSWERH-FirstHlayerHofHtheHOSIHmodel,HalsoHcalledHLayerH1

,ProtocolH-HCORRECTHANSWERH-EstablishedHsetHofHrulesHforHdataHtransmissionHacrossHdevices



RedundancyH-HCORRECTHANSWERH-
ProvidingHalternateHmeansHforHnetworkHtoHcontinueHfunctioning



RepeaterH-HCORRECTHANSWERH-DeviceHthatHreceivesHandHamplifiesHaHsignal



ResilienceH-HCORRECTHANSWERH-
AbilityHtoHcontinueHprovidingHacceptableHserviceHdespiteHchallenges



StructuredHWiringHSystemH-HCORRECTHANSWERH-ModularHcableHsolutionHthatHisHflexible



SwitchesH-HCORRECTHANSWERH-
NetworkingHequipmentHthatHallowsHmultipleHdevicesHtoHcommunicate



Connection-orientedHProtocolH-HCORRECTHANSWERH-
SetsHupHaHconnectionHbetweenHsourceHandHdestination



ConnectionlessHProtocolH-HCORRECTHANSWERH-TreatsHeachHconnectionHindividually



DatagramH-HCORRECTHANSWERH-PacketsHtransmittedHacrossHnetworks



InternetHAssignedHNumbersHAuthorityH(IANA)H-HCORRECTHANSWERH-
OrganizationHoverseeingHIPHaddressHallocations



NetworkHAddressHTranslationH(NAT)H-HCORRECTHANSWERH-
MapsHlocalHprivateHaddressesHtoHpublicHones

, ARPANETH-HCORRECTHANSWERH-ComputerHnetworkHdevelopedHbyHtheHDepartmentHofHDefense



LayerH2HTunnelingHProtocolH(L2TP)H-HCORRECTHANSWERH-
ProtocolHsupportingHvirtualHprivateHnetworksH(VPNs)



WebHBrowserH-HCORRECTHANSWERH-ProtocolHtoHlinkHallHresourcesHtogether



SMTPH-HCORRECTHANSWERH-
SimpleHMailHTransferHProtocolH(SMTP)HisHaHTCPHserviceHthatHoperatesHonHportH25HandHisHusedHforHt
heHexchangeHofHelectronicHmailHbetweenHnetworkedHsystems.



SpoofingH-HCORRECTHANSWERH-
SpoofingHisHaHvulnerabilityHassociatedHwithHSMTPHwhereHanHattackerHimpersonatesHaHtrustedHenti
tyHtoHgainHunauthorizedHaccess.



SpammingH-HCORRECTHANSWERH-
SpammingHisHaHvulnerabilityHassociatedHwithHSMTPHwhereHanHattackerHsendsHunsolicitedHbulkHem
ails.



TFTPH-HCORRECTHANSWERH-
TrivialHFileHTransferHProtocolH(TFTP)HoperatesHonHUDPHportH69HandHisHusedHtoHtransferHrouterHconfi
gurationHfilesHandHconfigureHcableHmodems.



AuthenticationH-HCORRECTHANSWERH-
AuthenticationHisHtheHprocessHofHverifyingHtheHidentityHofHaHuserHorHsystemHbeforeHgrantingHacces
sHtoHresources.