CIW网络安全专家题库

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1、TestInside1D0-570CIW1D0-570CIWv5SecurityProfessionalExamQ&A2008-6-18English:www.TestInside.comBIG5:www.Testinside.netGB:www.Testinside.cnTestInside,helpyoupassanyITexam!TestInside1D0-5701.Thechiefoperationsofficer(COO)hasquestionedtheneedforend-usertrai

2、ning.Whichofthefollowingisthemosteffectiveresponse?A.Indicatethatyouwillnotberesponsibleforthenextvirusoutbreak.B.RemindtheCEOaboutthelastvirusattackandtheexpenseincurred.C.Explainthatthecostofend-usertrainingisafractionofthecostofthelastsecuritybreachc

3、ausedbyendusers.D.Providestatisticsthatdefinitivelyshowhowend-usertrainingreducesthelikelihoodofsecuritybreachesonthecorporatenetwork.Answer:C2.Considerthefollowingsequence:user1@zeppelin:/public$su-root@zeppelin:~#chmod1777/publicroot@zeppelin:~#exitWh

4、ichofthefollowingmostaccuratelydescribestheresultofthiscommand?A.Onlytherootusercancreateanddeletefilesinthe/publicdirectory.B.Alluserscancreate,deleteandreadfilesinthe/publicdirectory,butonlyroothasexecutepermissions.C.Alluserscancreateandreadfilesinth

5、e/publicdirectory,butonlyrootcandeleteanotheruser'sfile.D.Anyusercancreatefilesinthe/directory,butnousercandeleteafileinthisdirectoryunlessrootpermissionsareobtained.Answer:C3.Whatisthefirststepofagapanalysis?A.Scanthefirewall.B.Reviewantivirussettings.

6、C.Reviewthesecuritypolicy.D.Reviewintrusion-detectionsoftwaresettings.Answer:C4.Considerthefollowingfirewallrules:Incomingtraffic:TCPPort25TestInside1D0-570TCPPort139:DeniedUDPPort137:DeniedUDPPort138:DeniedICMPechorequest:DeniedICMPechoreply:DeniedOutg

7、oingtraffic:TCPPorts1024through65,535toport80:DeniedTCPPort80:DeniedICMPechorequest:DeniedICMPechoreply:DeniedTCPPort139:DeniedUDPPort137:DeniedUDPPort138:DeniedAllcompanyproductionserversresidebehindthecorporatefirewall.However,youdiscoverthattheWebser

8、verperformanceisverylow.AftersniffingthetraffictotheWebserver,youlearnthattheWebserverisexperiencingadistributeddenial-of-serviceattackinwhichmillionsofpingpacketsarebeingdirectedattheserver.Whichofthefollowingisthemostplausiblee