ISA 62443 IC34 5 FIREWALL AND IDS QUESTIONS WITH CORRECT ANSWERS 2025

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ISA 62443 IC34 5 FIREWALL AND IDS QUESTIONS WITH CORRECT ANSWERS 2025

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2024/2025

Institution ISA 62443 IC34

Course ISA 62443 IC34

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ISA 62443 IC34 5 FIREWALL AND IDS QUESTIONS WITH CORRECT ANSWERS 2025

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ISA 62443 IC34 5 FIREWALL AND IDS
QUESTIONS WITH CORRECT ANSWERS 2025
WhatMisMaMFirewall?M-MCORRECTMANSWERM-
AMhardwareMorMsoftwareMsolutionMthatMregulatesMtrafficMbetweenMnetworksMorMdevicesMbasedMonMaMpre
definedMpolicy.MItMprovidesMprotectionMbyMfilteringMoutMunauthorizedMcommunicationsMlikeMhackerMatte
mptsMorMmalware.

WhatMareMtheMtwoMmainMcategoriesMofMfirewall?M-MCORRECTMANSWERM-NetworkMFirewalls

Host-basedMFirewalls

WhatMisMaMnetworkMfirewall?M-MCORRECTMANSWERM-
AMdeviceMthatMfiltersMtrafficMbetweenMmultipleMnetworksMbyMinspectingMeachMinboundMandMoutboundMd
ataMpacketMbasedMonMconfigurableMrules.

WhatMisMaMhardwareMapplianceMthatMregulatesMtrafficMbetweenMnetworksMbyMinspectingMeachMpacketMag
ainstMaMsetMofMrules?M-MCORRECTMANSWERM-NetworkMFirewall

WhatMisMaMsoftwareMorMfirmwareMonMaMhost,MbuiltMintoMtheMOS/firmwareMorManMapplication,MthatMprotec
tsMtheMindividualMhost?M-MCORRECTMANSWERM-HostMbasedMfirewall

WhatMareMtheMthreeMclassesMofMfirewalls?M-MCORRECTMANSWERM-PacketMFilter

StatefulMInspection

DeepMPacketMInspectionM(applicationMlevel)

WhatMisMaMpacketMfilteringMclassMofMfirewall?M-MCORRECTMANSWERM-
ThisMclassMofMfirewallMinspectsMvariousMelementsMwithinMaMpacket,MsuchMasMsourceMandMdestinationMadd
resses,MnetworkMprotocol,MflagMstatus,MandMtransportMlayerMports.MItMmakesMdecisionsMbasedMonMtheseM
attributesMandMtheMdirectionMofMtheMpacketM(inboundMorMoutbound)MwithoutManalyzingMtheMpacket'sMpa
yload.

WhatMisMaMstatefulMinspectionMclassMofMfirewall?M-MCORRECTMANSWERM-
ThisMclassMofMfirewallMtracksMtheMstateMofMconnectionsMandMblocksMpacketsMdeviatingMfromMexpectedMsta
tes.MItMscrutinizesMTCPMheaderMvaluesMandMmaintainsMaMstateMtableMforMconnectionMtracking.MItMthenMco
mparesMeachMnewMpacketMwithMtheMstateMtableMtoMdetectManyMinconsistencyMwithMtheMexpectedMstate.

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Uploaded on: February 9, 2025
Number of pages: 4
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Questions & answers

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ISA 62443 IC34 5 FIREWALL AND IDS QUESTIONS WITH CORRECT ANSWERS 2025

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