NAC's(NetworkAccessControl)roleistorestrictnetworkaccesstoonlycompliantendpointsand()users.However,NACisnotacompleteLAN()solution;additionalproactiveand()securitymeasuresmustbeimplemented,NevisisthefirstandonlycomprehensiveLANsecuritysolutionthatcombinesdeepsecurityprocessingofeverypacketat10Gbps,ensuringahighlevelofsecurityplusapplicationavailabilityandperformance.NevisintegratesNACasthefirstlineofLANsecurity(请作答此空).InadditiontoNAC,enterprisesneedtoimplementrole-basednetworkaccesscontrolaswellascriticalproactivesecuritymeasures—real-time,multilevel()inspectionandmicrosecondthreatcontainment.
A.defense]
B.intrusion
C.inbreak
D.protection
正确答案是A