2. 计算机
  3. NAC’s (Network Access Control)role is to restrict network access to only compliant endpoints and (1) users. However, NAC is not

NAC’s (Network Access Control)role is to restrict network access to only compliant endpoints and (1) users. However, NAC is not

admin2013-05-11  55
问题 NAC’s (Network Access Control)role is to restrict network access to only compliant endpoints and (1)  users. However, NAC is not a complete LAN (2)  solution; additional proactive and (3) security measures must be implemented. Nevis is the first and only comprehensive LAN security solution that combines deep security processing of every packet at 100Gbps, ensuring a high level of security plus application availability and performance. Nevis integrates NAC as the first line of LAN security (4) In addition to NAC, enterprises need to implement role--based network access control as well as critical proactive security measures-real-time, multilevel (5) inspection and microsecond threat containment.
选项 A、port
B、connection
C、threat
D、insurance
答案C
解析 NAC(网络访问控制)的任务就是只允许那些仅被允许的终端和被授权的用户进行网络访问。然而，NAC不是一个完整的局域网安全解决方案，还必须采取预防性的、具有反应性的额外安全措施。Nevis是最早的也是唯一全面的局域网安全解决方案，它富有远见地兼顾考虑了将来以10Gb/s的速率传输数据包时的安全问题，以确保在有高水平安全度的同时也有较好的应用性和性能。Nevis整合了NAC作为局域网安全防护的第一道防线。除NAC之外，企业既要采取基于角色控制网络访问的策略，也要采取关键性的安全预防措施——实时的多级别威胁检测和微秒级的威胁遏制。
   词汇与单词解释：
   restrict…to的意思是将某某限制在某范围内，第一句中最后那个to跟restrict搭配，不是跟access搭配。
   第三句中的deep，表示考虑很深远，考虑到未来，富有远见。
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