CISSP 电信题目

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1、通信安全知识域练习题1.WhichofthefollowingdoesnotallowforaworkstationtogetanIPaddressassigned?a)BOOTPb)RARPc)DHCPd)ICMP2.AWideAreaNetwork(WAN)maybeprivatelyoperatedforaspecificusercommunity,maysupportmultiplecommunicationprotocols,ormayprovidenetworkconnectivityandservicesvia:a)interconnectednetworksegments(

2、extranets,internets,andVirtualPrivateNetworks).b)interconnectednetBIOSsegments(extranets,intranets,andVirtualPrivateNetworks).c)interconnectednetBIOSsegments(extranets,internets,andVirtualPrivateNetworks).d)interconnectednetworksegments(extranets,intranets,andVirtualPrivateNetworks).3.Aproxyserver

3、should:a)Beconnecteddirectlytotheexternalnetwork.b)Haveroutingenabled.c)Belocatedbehindafirewall.d)Allowaccessfromexternalclients.4.WhichofthefollowingistrueofNetwork-basedIDsystems?a)Theycommonlyresideonadiscretenetworksegmentandmonitorthetrafficonthatnetworksegment.b)Theycommonlywillnotresideona

4、discretenetworksegmentandmonitorthetrafficonthatnetworksegment.c)Theycommonlyresideonadiscretenetworksegmentbutdonotmonitorthetrafficonthatnetworksegment.d)Theycommonlydonotresideonadiscretenetworksegmentandmonitorthetrafficonthatnetworksegment.5.Whichofthefollowingerrorcorrectionmethodsismoreeffe

5、ctivewhenburstsoferrorsmaybepresent?a)Paritycheckb)Cyclicredundancycheckc)Blocksumcheckd)Blockchainingcheck6.Whichofthefollowingdescribeelementsthatcreatereliabilityandstabilityinnetworksandsystemsandwhichassuresthatconnectivityisaccessiblewhenneeded?a)Availabilitya)Acceptabilityb)confidentialityc

6、)Integrity2.Instatefulinspectionfirewalls,packetsarequeuedandthen:a)accessedatonlyoneOpenSystemsInterconnect(OSI)layer.b)analyzedatallOpenSystemsInterconnect(OSI)layers.c)decapsulatedatallOpenSystemsInterconnect(OSI)layers.d)encapsulatedatallOpenSystemsInterconnect(OSI)layers.3.Thereisnogoodlogica

7、lreasonfornotusingaDMZ:a)Ifacompanydecidesnottouseone,theyareignorantofsecurityrisksorthey'rejustcareless.b)Ifacompanydecidesnottouseone,theymusthavenoExtranetconnectionsc)Ifacompanydecidestouseone,theymusthaveon