能够通过技术经济指标的对比，检查目标的完成情况，分析产生差异的原因，进而挖掘内部潜力的分析方

A.MPLSeliminatestheneedofanIGPinthecore.

B.MPLSreducestherequirednumberofBGP-enableddevicesinthecore.

C.ReducesroutingtablelookupsinceonlytheMPLScoreroutersperformroutingtablelookups.

D.MPLSeliminatestheneedforfullymeshedconnectionsbetweenBGPenableddevices.

A.Policy-basedModel

B.ClassbasedModel

C.RussianDollModel

D.GlobalTunnelModel

E.MaximumAllocationModel

A.IfaportisconnectedtoaforeigndevicemakesuretodisableCDP，DTP，RPR，PAgP，UDLP，andanyotherunnecessaryprotocols，andenableUplinkFast/BPDUguardonit.

B.EnablerootguardfeaturetopreventadirectlyorindirectlyconnectedSTP-capabledevicefromaffectingthelocationoftherootbridge.

C.ConfigureVTPdomainsappropriatelyorturnoffVTPaltogethertolimitorpreventpossibleundesirableprotocolinteractionwithregardstothenetwork-wideVLANconfiguration.

D.SetthenativeVLANIDtomatchtheportVLANIDofany802.1qtrunktopreventspoofing.

E.DisableallunusedportsandplacetheminanunusedVLANtoavoidunauthorizedaccess.

A.Endsystem

B.Protocol

C.Application

D.Throughput

A.Utilizationofspoke-to-spokedynamictunnels

B.UtilizationofmultipointGREtunnelsatthehubsite

C.Utilizationofhub-to-spokedynamictunnels

D.Supportformulticast

A.switchedvirtualcircuit

B.virtualcircuitstatus

C.simpleflowcontrol

D.multicasting

E.permanentvirtualcircuit

A.Smallercompaniesareatlessriskthanlargerenterprises，sotheirsecurityneedsarenotasgreat.

B.Businessstrategyshoulddirectlyrelatetothesecuritypolicyandbudget.

C.ThedesignatedsecurityexpertshouldreporttotheITdepartment，sincethatiswherethesolutionwillbeimplemented.

D.Securityshouldbeacontinuousprocess.

E.Securitysolutionsshouldcomefrommultiplevendorstomakeiteasiertocoordinatesecurityeventsfromthepointoforigin.