雨课堂学堂在线学堂云《Network Security and Management（重庆工商职业学院）》单元测试考核答案

第1题ThemainmethodsforsafeguardingtheintegrityofinformationdonotincludeAPasswordcheckingandmethods

BErrorcorrectioncodingmethodsCDigitalsignaturesDInstallationoffirewalls第2题ReliabilitydoesnotincludeADestructionresistance

B

Confidentiality

CEffectivenessDSurvival

第3题Informationsecurityguaranteesinclude:()

ATechnicalguaranteesBManagementguaranteesCPersonneltrainingguarantees

DLegalandregulatoryguarantees

正确答案：ABCD第4题Securitymeasuresforinformationsecurityassuranceinclude:()

AFirewalls

BAnti-virus

CVulnerabilityscanning

DIntrusiondetection

正确答案：ABCD第5题Theoperatingsystemsecuritymanagementobjectivesinclude

APreventionofunlawfuloperations

BDataprotection

CManagingusers

DSystemprotection

E

Ensuringsystemintegrity

正确答案：ABCDE第1题Isnetworkeavesdroppingapassive-aggressivebehavior?第2题Inordertodefendagainstnetworkeavesdropping,themostcommonlyusedmethodsare

A

Useofphysicaltransmission(non-networked)

BEncryptionofinformation

CWirelessnetworks

DTransmissionoverdedicatedlines

第3题TCPandUDPbelongto()protocols

ATransportlayerBDatalinklayer

CNetworklayer

DNoneoftheabove

第4题TCPprotocoldistinguishesbetweendifferentconnectionsby().

APortnumber

BPortnumberandIPaddress

CPortnumberandMACaddress

DIPaddressandMACaddress

第5题Topreventnetworkeavesdropping,themostusedmethodismessageencryption

Chaptertest第1题DESisthemostfamoussymmetriccipheralgorithm,whichbelongstothegroupingcipher,thenumberofbitsoftheplaintextgroupingis

A64B56C128D256第2题Encryptionhassymmetrickeyencryption,asymmetrickeyencryptiontwokindsofencryption,whichsymmetrickeyencryptionrepresentativealgorithmis:

AIDE

BDES

CPGP

DPKI

ERSA

第3题Themaindisadvantagesofsymmetrickeycryptosystemsare:()

A

Slowspeedofencryptionanddecryption

BKeydistributionandmanagementissues

CLimitationsofapplication

DTheencryptionkeyisdifferentfromthedecryptionkey.

第4题InRSApublickeyencryptionsystem,hewantstosendheramail,andletherknowthathesent,theencryptionsecretkeyshouldbechosenis().

AHispublickey

BHerpublickey

CHisprivatekey

DHerprivatekey

第5题IntermsoftherelationshipbetweenCAanddigitalcertificates,whichofthefollowingstatementsisincorrect

Adigitalcertificateistoensurethesecurityofcommunicationbetweenthetwosidesoftheelectronictrustrelationship,hewasissuedbytheCA

BDigitalcertificatesgenerallyrelyontheCAcenter'ssymmetrickeymechanismtorealizethe

C

Inelectronictransactions,digitalcertificatescanbeusedtoidentifytheparticipants.

DDigitalcertificatescanprovetheidentityofthecertificateholderinawaythatcannotbecounterfeited.

Chaptertest第1题WindowsNTandWindows2000systemscanbesettolocktheaccountafterseveralinvalidlogins,whichcanprevent()

ATrojanhorses.

BViolentattacks.

CIPspoofing.

D

Cacheoverflowattacks

第2题Which

levelofsecuritystandardsare,UnixandWindowsNT,theoperatingsysteminlinewith?

ALevelA

BLevel

BCLevel

CDLevel

D第3题Built-inuseraccountsinWindowsaredividedinto:

AAdministrator

BGuest

CServer

DLocal

正确答案：AB第4题LocalsecuritypolicyinWindowsincludes

AAccountstrategy

BLocalpolicy

CPublickeystrategy

DSoftwarerestrictionpolicies

正确答案：ABCD第5题WindowsDefenderSecurityCenterincludeswhichofthefollowingoptions?

AVirusandthreatprotection

B

Accountprotection

CFirewallsandnetworkprotection

DEquipmentperformanceandoperationalstatus

正确答案：DCBAChaptertest第1题

Trojanhorsevirusesare:

AMacroviruses

BIntroducedviruses

CWorms

DService/client-basedviruses

第2题Accordingtotheclassificationofinfectedobjects,CIHvirusbelongstowhichcategoryofviruses?

A

Lead-inzoneviruses

BFile-basedviruses

CMacroviruses

DCompositeviruses

第3题Computervirusesare()

AAnorder

BAprogram

CAmarker

DOnedocument

第4题Whatisamacrovirus?

AMacrovirusesinfectallfiles

B

Amacrovirusisasetofinstructions

CMacrovirusesinfectonlyMicrosoftOfficecomponents

DMacrovirusesrunautomaticallyanddonotneedtorunwiththedocument.

第5题Forfloppydisksthathavebeeninfectedwithviruses,themostthoroughwaytoremovevirusesisto().

ASterilizethediskettewithalcohol

BCookinapressurecooker

CRemovalofvirus-infectedprograms

DFormattingfloppydisks

Chaptertest第1题Althoughcookiesbringquickandconvenientaccesstowebpages,theymayleadtoinformationleakage.

第2题Tominimizetherisk,itisnotrecommendedtousetheInternetserviceis().

AWebservices

BExternalaccesstointernalsystems

CInternalaccesstotheInternet

DFTPservices

第3题OntheInternet,commonsecuritythreatsinclude.

ADenial-of-serviceattacks

BSharingofresources

CProliferationofARPattacks

DUnauthorizedresourcevisits

正确答案：ACD第4题Whatarethesecuritylevelsofthebrowser?

AHigh

BMedium

CMedium-low

DLow

正确答案：ABCD第5题Thebrowserisaccessedby?

AInternetBLocalInternet

CTrustedsites

DRestrictedsites

正确答案：ABCDChaptertest第1题Attacksthatfirewallscandefendagainstinclude:

AsinglepacketattacksBscanningattacks

Cfloodingattacks正确答案：ABC第2题Firewallisa()

ASeparators,limiters,analyzers

BIsolators,controllers,analyzers

CSeparator,controller,resolver

第3题Thecurrentfirewallpreventionismainly()

AProactiveprevention

BPassiveprevention

CNotnecessarily

第4题Firewalldeployment()

AThefirewallonlyneedstobesetupattheentranceandexitconnectedtotheInternet.

B

Firewallsaredeployedatallentrancesandexitsthatneedtoprotectthelocalareanetwork.CFirewalldeploymentneedstobedeployedbetweentheentranceandnetworksegments.

第5题Firewallpolicyisalsoknownasthesecurityrulesofthefirewall,whichisanimportantbasisforthefirewalltoimplementnetworkprotection.Chaptertest第1题Thefirststepinanintrusiondetectionsystemis:()

ASignalAnalysis

B

Informationgathering

CPacketfiltering

DPacketinspection

第2题IDSrulesincludenetworkmisuseand:()

ANetworkanomalies

B

Systemmisuse

CSystemanomalies

DOperationalanomalies

第3题IntrusionDetectionSystem(IDS)isareasonablecomplementto()tohelpthesystemagainstnetworkattacks.

ASwitches

BRouters

CServers

DFirewalls

第4题

IPS(IntrusionPreventionSystem)isabase()products,itisbasedon()attackidentificationmatching

AApplicationlayer,featurelibrary

BNetworklayer,protocols

CApplicationlayer,protocols

DNetworklayer,featurelibrary

第5题IDS,alsoknownasIntrusionDetectionSystem,isinstalledonthetrunkofthenetwork.

Chaptertest第1题Themethodsofportscanningmainlyinclude:()

AFullscan

BSemi-openscanning

CCovertscanningDVulnerabilityscanning

正确答案：ABCD第2题TypesofcomputerbackdoorTrojanhorsesinclude:()

ATrojanhorses

BRootKit

CScriptingbackdoors

DHiddenAccounts

正确答案：ABCD第3题TechnicalrealizationofIPspoofingandprecautionsagainstspoofingattacksinclude:()

AProductsusinganti-IPspoofingfunction

BCloselymonitoringthenetworkandalertingtoattacks

C

Useofup-to-datesystemsandsoftwaretoavoidguessingsessionserialnumbers

DStrictlysetroutingpolicy:rejectpacketsfromtheInternetthataredeclaredtooriginatefromalocaladdress

正确答案：ABCD第4题Preventivemeasuresagainstdenial-of-serviceattacksinclude:()

ASecurityenhancements

BResourcecontrol

CSafetyequipment

DOperators,publicsecuritydepartments,expertteams,etc.

正确答案：ABCD第5题Typicaldenial-of-serviceattacksinclude:()

APingofdeathBSYNFlood

CUDPFlood

DTeardrop

正确答案：ABCDChaptertest第1题VPNrefersto()

AVirtualprivatenetworks

BVirtualprotocolnetworks

CVirtualpacket-filteringnetworks

第2题TheencryptionmeansofVPNis().

AFirewallswithencryption

BRouterswithencryption

CEachhostwithintheVPNencryptsitsinformationaccordingly

DSeparateencryptiondevices

第3题WhattypeofVPNisestablishe