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NAC's(Network Access Control)role is to restrict network access to only compliant endpoints and(66)users. However, NAC is not a complete LAN(67)solution; additional proactive and(68)security measures must be implemented. Nevis is the first and only compre
题目
NAC's(Network Access Control)role is to restrict network access to only compliant endpoints and(66)users. However, NAC is not a complete LAN(67)solution; additional proactive and(68)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(69). In addition to NAC, enterprises need to implement role-based network access control as well as critical proactive security measures — real-time, multilevel(70)inspection and microsecond threat containment.
A．automated
B．distinguished
C．authenticated
D．destructed
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第1题：
A network administrator is configuring ACLs on a cisco router, to allow affic from hosts on networks 192.168.146.0,192.168.147.0,192.168.148.0 and 192.168.149.0 only.Which two ACL statements when combined are the best for accomplishing the task?（）
A.access-list 10 permit ip 192.168.147.0 0.0.0.255.255
B.access-list 10 permit ip 192.168.149.0 0.0.0.255.255
C.access-list 10 permit ip 192.168.146.0 0.0.0.0.255
D.access-list 10 permit ip 192.168.146.0 0.0.1.255
E.access-list 10 permit ip 192.168.148.0 0.0.1.255
F.access-list 10 permit ip 192.168.146.0 255.255.255.0
参考答案：D, E
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第2题：
路由器R1的连接和地址分配如下图所示，如果在Rl上安装OSPF协议，运行下列命令：router ospf 100，则配置s0和E0端口的命令是——。
A．network 192．100．10．4 0．0．0．3 area 0 network 192．1．0．128 0．0．0．63 area 1
B．network 192．100．10．5 0．0．0．3 area0 network 192．1．0．129 0．0．0．63 area l
C．network 192．100．10．5 255．255．255．252 area0 nework 192．1．0．129 255．255．255．192 area l
D．network 192．100．10．4 255．255．255．252 area0 network 192．1．0．128 255．255．255．192 area 1
正确答案：A
解析：配置动态OSPF路由的命令格式如下：net-work 192.168.0.0 O.O.0.255 area 0，其中192.168.0.0是子网的地址，也可以是路由器上接口的IP地址或OSPF路由器所用接口的网络地址；而O.0.0.255是子网掩码的反码。由图可知S0和EO的子网地址分别为192.100.10.4和192.1.0.128。它们的子网掩码的反码分别是0.0.0.3和0.0.0.63，故选A)。 -
第3题：
A virtual (71) network, or VPN, is an encrypted connection over the Internet from a device to a network. The encrypted connection helps ensure that sensitive data is safely (72). It prevents (73) people fromeavesdropping on the traffic and allows the user to conduct work remotely. Traffic on the virtual network is sent securely by establishing an encrypted connection across the Internet known as a (74).A remote access VPN securely connects a device outside the corporate office. A site-to-site VPN connects the corporate office to branch offices over the Internet. Site-to-site VPNs are used when distance makes it impractical to have direct network connections between these offices. Think of site-to-site access as (75) to network.A.network
B.device
C.computer
D.endpoint答案：A解析： -
第4题：
The EIGRP configuration in the Glencoe router uses a single network statement.From the output shown in the graph would advertise these networks in EIGRP?()A.network 172.26.168.0 area 478
B.network 172.26.0.0
C.network 172.26.168.128 0.0.0.127
D.network 172.26.168.128 area 478
参考答案：B
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第5题：
To access information on the Intemet，a user must first log on to the client computer'S______network．
A．server
B．client
C．host
D．self
正确答案：C
解析：为了能够访问因特网上的信息，用户必须首先登录到客户机的主机网络上。 -
第6题：
In?project?net work?diagram,the?number?of?critical?path?is（）。A.none
B.only?one
C.only?two
D.one?or?more答案：D解析：本题翻译：在项目网络工作图中，关键路径的数目是（）。
A.没有B.只有一个C.只有两个D.一个或更多
本题考查的是进度管理中的关键路径，正确选项为D一个或更多。
在一个网络图中关键路径有一条或多条，关键路径是项目中时间最长的活动顺序，决定着可能的项目最短工期。