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 10Gbps, 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 — real-time, multilevel（）inspection and microsecond threat containment.

multilevel（）inspection and microsecond threat containment.

A．port

B．connection

C．threat

D．insurance

患者服用氯丙嗪后，出现便秘症状，其可能的原因为（）

A.药物减慢了排便活动

B.大便中的水分被吸收

C.药物导致大便干燥

D.药物引起肠道所受的神经冲动减弱

E.胃肠蠕动减慢