2025年技术支持英文面试题库及答案

2025年技术支持英文面试题库及答案

一、单项选择题（总共10题，每题2分）1.Whichofthefollowingistheprimaryfunctionofafirewallinnetworksecurity?A.ToincreaseinternetspeedB.TopreventunauthorizedaccesstoorfromaprivatenetworkC.TostorenetworkdataD.Tomanageuseraccounts2.WhatisthedefaultportnumberforSSH(SecureShell)?A.21B.22C.23D.253.Inthecontextofdatabasemanagement,whatdoesACIDstandfor?A.Atomicity,Consistency,Isolation,DurabilityB.Accuracy,Confidentiality,Integrity,DataC.Availability,Confidentiality,Integrity,DataD.Atomicity,Consistency,Integration,Data4.Whichofthefollowingisaclient-sidescriptinglanguage?A.JavaB.PythonC.JavaScriptD.Ruby5.WhatisthepurposeofaDNS(DomainNameSystem)server?A.TostoreandmanagewebsitecontentB.TotranslatedomainnamesintoIPaddressesC.ToensuredataencryptionD.Tomanageemailservers6.Whichprotocoliscommonlyusedforsecureemailtransmission?A.FTPB.SMTPC.IMAPD.POP37.WhatisthemaximumlengthofahostnameintheDomainNameSystem?A.16charactersB.25charactersC.63charactersD.128characters8.Whichofthefollowingisatypeofmalwarethatencryptsauser'sfilesanddemandsaransomfortheirrelease?A.TrojanB.SpywareC.RansomwareD.Adware9.Whatistheprocessofdividingalargenetworkintosmaller,moremanageablesub-networkscalled?A.NetworksegmentationB.NetworkbridgingC.NetworkroutingD.Networkswitching10.Whichofthefollowingisaprotocolusedforremoteaccesstoacomputeroveranetwork?A.HTTPB.FTPC.SSHD.Telnet二、填空题（总共10题，每题2分）1.Theprocessofverifyingtheidentityofauserordeviceattemptingtoaccessasystemiscalled_______.2.AtypeofnetworkcablethatiswidelyusedforEthernetconnectionsis_______.3.Theprotocolusedfortransferringfilesovertheinternetis_______.4.Theprocessofmakingabackupcopyofdataisknownas_______.5.Asoftwareprogramdesignedtointerceptandlogkeystrokesiscalleda_______.6.Thestandardunitofdatastoragecapacityisthe_______.7.TheprocessofassigninguniqueIPaddressestodevicesonanetworkiscalled_______.8.Atypeofnetworkdevicethatforwardsdatapacketsbetweennetworksiscalleda_______.9.Theprocessofencryptingdatatoprotectitfromunauthorizedaccessiscalled_______.10.Theprotocolusedforsendingandreceivingemailiscalled_______.三、判断题（总共10题，每题2分）1.Afirewallcancompletelyeliminatetheriskofnetworksecuritybreaches.(True/False)2.TheIPaddressisapublicIPaddress.(True/False)3.TheHTTPprotocolisusedforsecuretransactionsontheinternet.(True/False)4.Avirusisatypeofmalwarethatcanreplicateitselfandspreadtoothercomputers.(True/False)5.Networksegmentationimprovesnetworkperformancebyreducingtrafficcongestion.(True/False)6.TheMACaddressofanetworkdeviceisuniquetoeachdevice.(True/False)7.Ransomwarecanberemovedfromasystemwithoutpayingtheransom.(True/False)8.Theprocessofupdatingsoftwaretofixbugsandimprovesecurityiscalledpatchmanagement.(True/False)9.TheDNSserverisresponsibleformanagingwebsitecontent.(True/False)10.SSHisasecureprotocolusedforremoteaccesstoacomputeroveranetwork.(True/False)四、简答题（总共4题，每题5分）1.Explainthedifferencebetweenafirewallandanantivirusprogram.2.DescribethestepsinvolvedinsettingupanewuseraccountonaWindowssystem.3.Whatarethemaincomponentsofanetworkswitch,andhowdotheyfunction?4.Discusstheimportanceofdatabackupandrecoveryinabusinessenvironment.五、讨论题（总共4题，每题5分）1.Howcannetworksecuritybeenhancedinacorporateenvironment?2.WhatarethepotentialrisksassociatedwithusingpublicWi-Finetworks?3.Discusstheroleofvirtualprivatenetworks(VPNs)inensuringsecureremoteaccess.4.Howcancompaniesensuretheintegrityandavailabilityoftheirdataintheeventofadisaster?答案和解析一、单项选择题答案1.B2.B3.A4.C5.B6.C7.C8.C9.A10.D二、填空题答案1.authentication2.Ethernetcable3.FTP4.backingup5.keylogger6.byte7.IPaddressing8.router9.encryption10.SMTP三、判断题答案1.False2.False3.False4.True5.True6.True7.False8.True9.False10.True四、简答题答案1.Afirewallisanetworksecuritydevicethatmonitorsandcontrolsincomingandoutgoingnetworktrafficbasedonpredeterminedsecurityrules.Itactsasabarrierbetweenatrustedinternalnetworkandanuntrustedexternalnetwork,suchastheinternet.Anantivirusprogramisasoftwareapplicationdesignedtodetect,prevent,andremovemalware,includingviruses,worms,andtrojans,fromacomputersystem.2.TosetupanewuseraccountonaWindowssystem,followthesesteps:OpentheControlPanel,navigatetoUserAccounts,clickon"Manageaccounts,"andthenselect"AddauserinPCsettings."Entertheuser'sname,createapassword,andsetanyadditionalpreferences,suchasaccounttypeandpicture.Finally,clickon"Createaccount."3.Themaincomponentsofanetworkswitchincludeports,aswitchfabric,andaroutingtable.Portsarethephysicalconnectionswheredevicescanbepluggedin.Theswitchfabricistheinternalmechanismthatforwardsdatapacketsbetweenports.Theroutingtablecontainsinformationaboutthenetworktopologyandhelpstheswitchdeterminethebestpathforforwardingpackets.4.Databackupandrecoveryarecrucialinabusinessenvironmenttoensurethatcriticaldataisnotlostduetohardwarefailures,softwareerrors,orotherunforeseenevents.Regularbackupsallowbusinessestorestoredatatoapreviousstate,minimizingdowntimeandpreventingdataloss.Recoveryprocessesensurethatthebacked-updatacanbesuccessfullyrestoredandintegratedbackintothesystem.五、讨论题答案1.Networksecuritycanbeenhancedinacorporateenvironmentbyimplementingseveralmeasures.Theseincludeusingfirewallstocontrolnetworktraffic,deployingintrusiondetectionandpreventionsystemstomonitorandblockmaliciousactivity,enforcingstrongpasswordpolicies,regularlyupdatingsoftwareandsystemstopatchvulnerabilities,conductingsecurityawarenesstrainingforemployees,andencryptingsensitivedatatoprotectitfromunauthorizedaccess.2.UsingpublicWi-Finetworkscanposeseveralrisks,includingthepotentialforeavesdropping,whereattackerscaninterceptsensitiveinformationtransmittedoverthenetwork.Thereisalsotheriskofman-in-the-middleattacks,whereanattackerinterceptsandalterscommunicationbetweentwoparties.Additionally,publicWi-Finetworksmaylackpropersecuritymeasures,makingiteasierforattackerstogainunauthorizedaccesstodevicesconnectedtothenetwork.3.Virtualprivatenetworks(VPNs)playacrucialroleinensuringsecureremoteaccessbycreatingasecureandencryptedconnectionbetweenaremoteuser'sdeviceandthecompany'snetwork.Thisencryptedtunnelprotectssensitivedatafrombeinginterceptedoraccessedbyunauthorizedparties,even