NAC’s（Network Access Control）role is to restrict network access to only compliant endpoints and（）users.However， NAC is not a complete LAN　（）solution; additional proactive and　（）security measures must be implemented.Nevis is the first and only comprehensive LAN security solution that combines deep security processing of every packet at l0Gbps; ensuring a high level of security plus application availability and performance.Nevis integrates NAC as the first line of LAN security　（）　.In addition to NAC，enterprises need to .implement role-based network access control as well as critical proactive security measures一real-time， multilevel　（）　inspection and microsecond threat containment.