POST-ASSESSMENT QUESTIONS WITH
CORRECT ANSWERS GRADED A+ FOR
2025-2026 ASSURED EXCEL!!
1.vYourvorganizationvhostsvanve-
commercevwebvserver.vThevservervrandomlyvexperiencesvavhighvvolumevofvsalesvandvusagevfromv
mid-
NovembervtovthevendvofvDecember,vcausingvspikesvinvresourcevusage.vThesevspikesvhavevresultedvi
nvoutagesvduringvthevpastvyear.vWhichvofvthevfollowingvshouldvbevimplementedvtovpreventvthesevo
utages?
A.vStoredvprocedures
B.vScalability
C.vVersionvcontrol
D.vMemoryvmanagement
Bvisvcorrect.vScalabilityvisvthevbestvchoicevbecausevitvallowsvadministratorsvtovmanuallyvscal
evthevservervupvorvoutvasvneededvinvresponsevtovthisvpredictablevhighvresourcevusage.vStoredvproc
eduresvarevavgroupvofvSQLvstatementsvthatvexecutevasvavwholevandvhelpvpreventvSQLvinjectionsvatt
acks.vVersionvcontrolvtracksvsoftwarevversionsvasvitvisvupdatedvandvisvunrelatedvtovthisvquestion.vM
emoryvmanagementvtechniquesvhelpvensurevthatvapplicationsvdon'tvcausevmemoryvproblemsvsuc
hvasvmemoryvleaksvorvintegervoverflows.vSeevChapterv1
2.vEmployeesvcurrentlyvlogvinvwithvtheirvusernamevandvavpasswordvbutvmanagementvwantsvtovincr
easevloginvsecurityvbyvimplementingvsmartvcards.vHowever,vthevITvdepartmentvanticipatesvitvwillvta
kevavlongvtimevtovpurchasevthevnecessaryvequipmentvandvissuevsmartvcardsvforveveryone.vYouvnee
dvtovidentifyvavsolutionvthatvwillvprovidevcomparablevsecurityvuntilvthevsmartvcardsvarevimplement
ed.vWhichvofvthevfollowingvisvavcompensatingvcontrolvthatvwillvmeetvthesevneeds?
A.vImplementvanvaccountvlockoutvpolicy
B.vIncreasevpasswordvpolicyvrequirements
C.vImplementvavTOTPvsolution.
D.vRequirevusersvtovchangevtheirvpasswordvmorevoften. Cvisvcorrect.vAvTime-basedvOne-
TimevPasswordv(TOTP)vsolutionvcanvbevimplementedvasvavcompensatingvcontrol.vItvcanvbevimplem
entedvwithvhardwarevtokensvorvwithvanvappvonvavsmartphone.vThevsmartvcardsvprovidevtwo-
factorvauthentication,vsovthevcompensatingvcontrolvshouldvprovidevtwo-
,factorvcontrol,vandvTOTPvfilesvthatvneed.vNonevofvthevothervanswersvprovidesvanvadditionalvfactorv
ofvauthentication.vAnvaccountvlockoutvpolicyvlocksvoutvusersvafterventeringvanvincorrectvpasswordv
toovmanyvtimes.vThevpasswordvpolicyvcanvbevusedvtovincreasevpasswordvsecurity.vRequiringvusersvt
ovchangevtheirvpasswordvmorevoftenvisvinvthevpasswordvpolicyvasvpasswordvexpiration.vSeevchapte
rv1.
3.vYouvhavevconfiguredvavfirewallvinvyourvnetworkvtovblockvICMPvtraffic.vYouvwantvtovverifyvthatvitvisv
workingvasvexpected.vWhichvofvthevfollowingvcommandsvwouldvyouvuse?
A.varp
B.vipconfig
C.vroute
D.vping
Dvisvcorrect.vThevpingvcommandvsendvInternetvControlvMessagevProtocolv(ICMP)vechovrequ
estsvandvchecksvforvICMPvechovreplies/vThevAddressvResolutionvProtocolv(ARP)vresolvesvIPvaddress
esvtovmediavaccessvcontrolv(MAC)vaddresses,vandvthevARPvcommandvisvusedvtovviewvandvmanipula
tevthevARPvcache.vThevipconfigvcommandvdisplaysvthevconfigurationvofvavNIC.vThevroutevcommandv
canvbevusedvtovdisplayvandvmanipulatevthevroutingvtablevonvcomputingvsystems.vSeevChapterv1.
4.vYouvneedvtovrebootvavdatabasevserver.vBeforevdoingvso,vyouvneedvtovverifyvitvdoesn'tvhavevanyvac
tivevnetworkvconnections.vWhichvofvthevfollowingvcommandsvwillvBESTvmeetvyourvneeds?
A.varp
B.vipconfig
C.vhping3
Dvnetstat
Dvisvcorrect.vThevnetstatvcommandvdisplaysvactivevconnectionsvonvavsystem.vARPvdisplaysvi
nformationvrelatedvtovmediavaccessvcontrolv(MAC)vaddresses.vIpconfigvdisplaysvTCP/IPvconfigurati
onvinformationvforvwiredvandvwirelessvnetworkvinterfacevcards.vThevhping3vcommandvisvusedvtovid
entifyvopenvandvclosedvportsvonvremotevsystem.vSeevChapterv1.
5.vYouvarevtroubleshootingvanvissuevwithvthevycdavapplicationvhostedvonvavLinuxvsystem.vYouvsuspe
ctvthatvthevissuevisvcausedvwhenvperformingvavspecificvfunctionvandvseevavgenericverrorvmessage.vY
ouvnowvwantvtovviewvthevdetailedverrorvloggedvinvthevmessagesvfile.vWhichvofvthevfollowingvcomm
andsvwouldvbevthevBESTvchoicevtovuse?
A.vhead
B.vtail
,C.vchmod
D.vlogger
Bvisvcorrect.vThevtailvcommandvshowsvthevlastv10vlinesv(byvdefault)vofvavlogvfilevand,vinvthisvs
cenario,visvthevbestvchoicevtovshowvavrecentverrorvmessage.vThevheadvcommandvshowsvthevbeginn
ingvlinesvinvavlogvfilevandvisvunlikelyvtovdisplayvrecentverrorvmessages.vYouvwouldvusevthevchmodvco
mmandv(shortvforvchangevmode)vtovchangevpermissionsvonvfilesvandvdirectories.vThevloggervcomm
andvisvusedvtovaddventriesvintovthevsyslogvfile.vSeevChapterv1.
6.vLisavisvinstallingvanvapplicationvnamedvgcga.exevonvavLinuxvserver.vThevdocumentationvindicatesv
thatvthevapplicationvshouldvbevinstalledvwithvthevfollowingvpermissions:
-vthevownervofvthevapplicationvshouldvhavevread,vwrite,vandvexecutevpermissions.
-vThevownervgroupvofvthevapplicationvshouldvhavevreadvandvexecutevpermissions.
-vAllvothervusersvshouldvnotvhavevanyvpermissionsvforvthevapplication.
Whichvofvthevfollowingvcommandsvshouldvbevusedvtovmeetvthesevrequirements?
A.vchmodv067vgcga.exe
B.vchmodv661vgcga.exe
C.vchmodv760.gcga.exe
D.vchmodv770vgcga.exe
Cvisvcorrect.vThevchmodv760vgcga.exevshouldvbevused.vThev7v(inv760)vgivesvread,vwrite,vandv
executevpermissionsvtovthevowner.vThev6v(inv760)vgivevreadvandvexecutevpermissionsvtovthevownerv
group.vThev0v(inv760)vensuresvthatveveryonevelsevhasvnovpermissions.vThev0v(in067)vdeniesvread,vw
rite,vandvexecutevpermissionsvforvthevowner,vandvthev7v(inv067)vgrantsvread,vwrite,vandvexecutevper
missionsvforveveryone.vThevfirstv6v(inv661)vgrantsvonlyvreadvandvwritevpermissionsvbutvnotvexecutev
permissionsvtovthevowner.vThevsecondv7v(inv770)vgrantsvread,vwrite,vandvexecutevpermissionsvforvt
hevownervgroup,vbutvthevscenariovsaysvthatvonlyvreadvandvexecutevpermissionsvshouldvbevgrantedv
forvthisvgroup.vSeevChapterv1.
7.vHomervisvnotvablevtovaccessvanyvnetworkvresourcesvfromvhisvLinux-
basedvcomputer.vWhichvofvthevfollowingvcommandsvwouldvhevusevtovviewvthevnetworkvconfigurati
onvofvhisvsystem?
A.vifconfig
B.vipconfig
C.vnetstat
, D.vtracert
Avisvcorrect.vThevifconfigvcommandvdisplaysvnetworkvsettingsvonvavLinuxvcomputer.vThisvinc
ludesvthevIPvaddress,vsubnetvmask,vandvdefaultvgatewayvassignedvtovthevnetworkvinterfacevcardv(N
IC).vThevipconfigvcommandvperformsvsimilarvchecksvonvWindowsvcomputersvbutvnotvonvLinusvsyst
ems.vNetstatvshowsvnetworkvstatisticsvandvactivevconnectionsvbutvnotvthevnetworkvsettings.vThevtr
acertvcommandvtracesvthevroutevbetweenvsystemsvonvavnetworkvandvcanvhelpvdeterminevwhichvn
etworkvdevicesvarevfailing.vSeevChapterv1.
8.vManagementvwantsvtovincreasevsecurityvforvanyvusersvaccessingvthevnetworkvwithvavVPN.vTheyv
planvtovimplementvavmethodvthatvwillvrequirevusersvtovinstallvanvapplicationvonvtheirvsmartphones
.vThisvapplicationvwillvgeneratevavkeyvthatvthey'llvhavevtoventervinvadditionvtovtheirvusernamevandvp
assword.vWhatvisvthevBESTvdescriptionvofvthisvaddedvauthenticationvmethod?
A.vSomethingvyouvknow
B.vSomethingvyouvhave
C.vSomethingvyouvare
D.vSomethingvyouvcanvdo
Bvisvcorrect.vThisvisvinvthevsomethingvyouvhavevfactorvofvauthentication.vUsersvarevrequiredv
tovhavevavsmartphonevwithvthevauthenticationvapplicationvinstalled.vThevapplicationvgeneratesvavk
eyvofvnumbers,vbutvusersvdon'tvknowvthisvkeyvuntilvthevapplicationvgeneratesvit.vBiometricsvarevinvt
hevsomethingvyouvarevfactor,vbutvbiometricvmethodsvaren'tvmentioned.vSomethingvyouvcanvdovref
ersvtovavuser'svactions,vsuchvasvmakingvgesturesvonvavscreen.vSeevChapterv2.
9.vUsersvnormallyvlogvonvusingvavsmartvcard,vavusername,vandvavpassword.vManagementvwantsvad
ministratorsvtovusevavthirdvfactorvofvauthentication.vWhichvofvthevfollowingvwillvmeetvthisvneed?
A.vPIN
B.vToken
C.vFingerprints
D.vPushvnotification
Cvisvcorrect.vFingerprintsvarevinvthevsomethingvyouvarevfactorvofvauthenticationvandvwillvme
etvthisvneed.vAllvthevothervanswersvarevinveithervthevsomethingvyouvhavev(alreadyvusedvbyvthevsma
rtvcard)vorvthevsomethingvyouvknowvfactorv(alreadyvusedvbyvthevpassword).vAvpersonalvidentificati
onvnumberv(PIN)visvinvthevsomethingvyouvknowvfactor.vTokensvandvpushvnotificationsvarevinvthevso
methingvyouvhavevfactor.vSeevChapterv2.
10.vDevelopersvarevplanningvtovdevelopvanvapplicationvusingvrole-
basedvaccessvcontrol.vWhichvofvthevfollowingvwouldvtheyvMOSTvlikelyvincludevinvtheirvplanning?
CORRECT ANSWERS GRADED A+ FOR
2025-2026 ASSURED EXCEL!!
1.vYourvorganizationvhostsvanve-
commercevwebvserver.vThevservervrandomlyvexperiencesvavhighvvolumevofvsalesvandvusagevfromv
mid-
NovembervtovthevendvofvDecember,vcausingvspikesvinvresourcevusage.vThesevspikesvhavevresultedvi
nvoutagesvduringvthevpastvyear.vWhichvofvthevfollowingvshouldvbevimplementedvtovpreventvthesevo
utages?
A.vStoredvprocedures
B.vScalability
C.vVersionvcontrol
D.vMemoryvmanagement
Bvisvcorrect.vScalabilityvisvthevbestvchoicevbecausevitvallowsvadministratorsvtovmanuallyvscal
evthevservervupvorvoutvasvneededvinvresponsevtovthisvpredictablevhighvresourcevusage.vStoredvproc
eduresvarevavgroupvofvSQLvstatementsvthatvexecutevasvavwholevandvhelpvpreventvSQLvinjectionsvatt
acks.vVersionvcontrolvtracksvsoftwarevversionsvasvitvisvupdatedvandvisvunrelatedvtovthisvquestion.vM
emoryvmanagementvtechniquesvhelpvensurevthatvapplicationsvdon'tvcausevmemoryvproblemsvsuc
hvasvmemoryvleaksvorvintegervoverflows.vSeevChapterv1
2.vEmployeesvcurrentlyvlogvinvwithvtheirvusernamevandvavpasswordvbutvmanagementvwantsvtovincr
easevloginvsecurityvbyvimplementingvsmartvcards.vHowever,vthevITvdepartmentvanticipatesvitvwillvta
kevavlongvtimevtovpurchasevthevnecessaryvequipmentvandvissuevsmartvcardsvforveveryone.vYouvnee
dvtovidentifyvavsolutionvthatvwillvprovidevcomparablevsecurityvuntilvthevsmartvcardsvarevimplement
ed.vWhichvofvthevfollowingvisvavcompensatingvcontrolvthatvwillvmeetvthesevneeds?
A.vImplementvanvaccountvlockoutvpolicy
B.vIncreasevpasswordvpolicyvrequirements
C.vImplementvavTOTPvsolution.
D.vRequirevusersvtovchangevtheirvpasswordvmorevoften. Cvisvcorrect.vAvTime-basedvOne-
TimevPasswordv(TOTP)vsolutionvcanvbevimplementedvasvavcompensatingvcontrol.vItvcanvbevimplem
entedvwithvhardwarevtokensvorvwithvanvappvonvavsmartphone.vThevsmartvcardsvprovidevtwo-
factorvauthentication,vsovthevcompensatingvcontrolvshouldvprovidevtwo-
,factorvcontrol,vandvTOTPvfilesvthatvneed.vNonevofvthevothervanswersvprovidesvanvadditionalvfactorv
ofvauthentication.vAnvaccountvlockoutvpolicyvlocksvoutvusersvafterventeringvanvincorrectvpasswordv
toovmanyvtimes.vThevpasswordvpolicyvcanvbevusedvtovincreasevpasswordvsecurity.vRequiringvusersvt
ovchangevtheirvpasswordvmorevoftenvisvinvthevpasswordvpolicyvasvpasswordvexpiration.vSeevchapte
rv1.
3.vYouvhavevconfiguredvavfirewallvinvyourvnetworkvtovblockvICMPvtraffic.vYouvwantvtovverifyvthatvitvisv
workingvasvexpected.vWhichvofvthevfollowingvcommandsvwouldvyouvuse?
A.varp
B.vipconfig
C.vroute
D.vping
Dvisvcorrect.vThevpingvcommandvsendvInternetvControlvMessagevProtocolv(ICMP)vechovrequ
estsvandvchecksvforvICMPvechovreplies/vThevAddressvResolutionvProtocolv(ARP)vresolvesvIPvaddress
esvtovmediavaccessvcontrolv(MAC)vaddresses,vandvthevARPvcommandvisvusedvtovviewvandvmanipula
tevthevARPvcache.vThevipconfigvcommandvdisplaysvthevconfigurationvofvavNIC.vThevroutevcommandv
canvbevusedvtovdisplayvandvmanipulatevthevroutingvtablevonvcomputingvsystems.vSeevChapterv1.
4.vYouvneedvtovrebootvavdatabasevserver.vBeforevdoingvso,vyouvneedvtovverifyvitvdoesn'tvhavevanyvac
tivevnetworkvconnections.vWhichvofvthevfollowingvcommandsvwillvBESTvmeetvyourvneeds?
A.varp
B.vipconfig
C.vhping3
Dvnetstat
Dvisvcorrect.vThevnetstatvcommandvdisplaysvactivevconnectionsvonvavsystem.vARPvdisplaysvi
nformationvrelatedvtovmediavaccessvcontrolv(MAC)vaddresses.vIpconfigvdisplaysvTCP/IPvconfigurati
onvinformationvforvwiredvandvwirelessvnetworkvinterfacevcards.vThevhping3vcommandvisvusedvtovid
entifyvopenvandvclosedvportsvonvremotevsystem.vSeevChapterv1.
5.vYouvarevtroubleshootingvanvissuevwithvthevycdavapplicationvhostedvonvavLinuxvsystem.vYouvsuspe
ctvthatvthevissuevisvcausedvwhenvperformingvavspecificvfunctionvandvseevavgenericverrorvmessage.vY
ouvnowvwantvtovviewvthevdetailedverrorvloggedvinvthevmessagesvfile.vWhichvofvthevfollowingvcomm
andsvwouldvbevthevBESTvchoicevtovuse?
A.vhead
B.vtail
,C.vchmod
D.vlogger
Bvisvcorrect.vThevtailvcommandvshowsvthevlastv10vlinesv(byvdefault)vofvavlogvfilevand,vinvthisvs
cenario,visvthevbestvchoicevtovshowvavrecentverrorvmessage.vThevheadvcommandvshowsvthevbeginn
ingvlinesvinvavlogvfilevandvisvunlikelyvtovdisplayvrecentverrorvmessages.vYouvwouldvusevthevchmodvco
mmandv(shortvforvchangevmode)vtovchangevpermissionsvonvfilesvandvdirectories.vThevloggervcomm
andvisvusedvtovaddventriesvintovthevsyslogvfile.vSeevChapterv1.
6.vLisavisvinstallingvanvapplicationvnamedvgcga.exevonvavLinuxvserver.vThevdocumentationvindicatesv
thatvthevapplicationvshouldvbevinstalledvwithvthevfollowingvpermissions:
-vthevownervofvthevapplicationvshouldvhavevread,vwrite,vandvexecutevpermissions.
-vThevownervgroupvofvthevapplicationvshouldvhavevreadvandvexecutevpermissions.
-vAllvothervusersvshouldvnotvhavevanyvpermissionsvforvthevapplication.
Whichvofvthevfollowingvcommandsvshouldvbevusedvtovmeetvthesevrequirements?
A.vchmodv067vgcga.exe
B.vchmodv661vgcga.exe
C.vchmodv760.gcga.exe
D.vchmodv770vgcga.exe
Cvisvcorrect.vThevchmodv760vgcga.exevshouldvbevused.vThev7v(inv760)vgivesvread,vwrite,vandv
executevpermissionsvtovthevowner.vThev6v(inv760)vgivevreadvandvexecutevpermissionsvtovthevownerv
group.vThev0v(inv760)vensuresvthatveveryonevelsevhasvnovpermissions.vThev0v(in067)vdeniesvread,vw
rite,vandvexecutevpermissionsvforvthevowner,vandvthev7v(inv067)vgrantsvread,vwrite,vandvexecutevper
missionsvforveveryone.vThevfirstv6v(inv661)vgrantsvonlyvreadvandvwritevpermissionsvbutvnotvexecutev
permissionsvtovthevowner.vThevsecondv7v(inv770)vgrantsvread,vwrite,vandvexecutevpermissionsvforvt
hevownervgroup,vbutvthevscenariovsaysvthatvonlyvreadvandvexecutevpermissionsvshouldvbevgrantedv
forvthisvgroup.vSeevChapterv1.
7.vHomervisvnotvablevtovaccessvanyvnetworkvresourcesvfromvhisvLinux-
basedvcomputer.vWhichvofvthevfollowingvcommandsvwouldvhevusevtovviewvthevnetworkvconfigurati
onvofvhisvsystem?
A.vifconfig
B.vipconfig
C.vnetstat
, D.vtracert
Avisvcorrect.vThevifconfigvcommandvdisplaysvnetworkvsettingsvonvavLinuxvcomputer.vThisvinc
ludesvthevIPvaddress,vsubnetvmask,vandvdefaultvgatewayvassignedvtovthevnetworkvinterfacevcardv(N
IC).vThevipconfigvcommandvperformsvsimilarvchecksvonvWindowsvcomputersvbutvnotvonvLinusvsyst
ems.vNetstatvshowsvnetworkvstatisticsvandvactivevconnectionsvbutvnotvthevnetworkvsettings.vThevtr
acertvcommandvtracesvthevroutevbetweenvsystemsvonvavnetworkvandvcanvhelpvdeterminevwhichvn
etworkvdevicesvarevfailing.vSeevChapterv1.
8.vManagementvwantsvtovincreasevsecurityvforvanyvusersvaccessingvthevnetworkvwithvavVPN.vTheyv
planvtovimplementvavmethodvthatvwillvrequirevusersvtovinstallvanvapplicationvonvtheirvsmartphones
.vThisvapplicationvwillvgeneratevavkeyvthatvthey'llvhavevtoventervinvadditionvtovtheirvusernamevandvp
assword.vWhatvisvthevBESTvdescriptionvofvthisvaddedvauthenticationvmethod?
A.vSomethingvyouvknow
B.vSomethingvyouvhave
C.vSomethingvyouvare
D.vSomethingvyouvcanvdo
Bvisvcorrect.vThisvisvinvthevsomethingvyouvhavevfactorvofvauthentication.vUsersvarevrequiredv
tovhavevavsmartphonevwithvthevauthenticationvapplicationvinstalled.vThevapplicationvgeneratesvavk
eyvofvnumbers,vbutvusersvdon'tvknowvthisvkeyvuntilvthevapplicationvgeneratesvit.vBiometricsvarevinvt
hevsomethingvyouvarevfactor,vbutvbiometricvmethodsvaren'tvmentioned.vSomethingvyouvcanvdovref
ersvtovavuser'svactions,vsuchvasvmakingvgesturesvonvavscreen.vSeevChapterv2.
9.vUsersvnormallyvlogvonvusingvavsmartvcard,vavusername,vandvavpassword.vManagementvwantsvad
ministratorsvtovusevavthirdvfactorvofvauthentication.vWhichvofvthevfollowingvwillvmeetvthisvneed?
A.vPIN
B.vToken
C.vFingerprints
D.vPushvnotification
Cvisvcorrect.vFingerprintsvarevinvthevsomethingvyouvarevfactorvofvauthenticationvandvwillvme
etvthisvneed.vAllvthevothervanswersvarevinveithervthevsomethingvyouvhavev(alreadyvusedvbyvthevsma
rtvcard)vorvthevsomethingvyouvknowvfactorv(alreadyvusedvbyvthevpassword).vAvpersonalvidentificati
onvnumberv(PIN)visvinvthevsomethingvyouvknowvfactor.vTokensvandvpushvnotificationsvarevinvthevso
methingvyouvhavevfactor.vSeevChapterv2.
10.vDevelopersvarevplanningvtovdevelopvanvapplicationvusingvrole-
basedvaccessvcontrol.vWhichvofvthevfollowingvwouldvtheyvMOSTvlikelyvincludevinvtheirvplanning?
