VPN即Virtual Private Network虚拟私用网

You have a computer that runs Windows Vista. You create a virtual private network (VPN) connection between the computer and your company’s network.You notice that while the computer is connected through the VPN connection, users on the company network can access shared folders on the computer.You need to prevent network users from accessing your shared folders when you are connected to the company’s network by using the VPN connection.What should you do?（）

A.A

B.B

C.C

D.D

A.A

B.B

C.C

D.D

VLAN(Virtual Local Area Network)即虚拟局域网，是一种通过将局域网内的设备逻辑而不是物理划分成一个个网段从而实现虚拟工作组的技术。

此题为判断题(对，错)。

A service provider wants to prevent the repeat of a denial of service (DoS) attack that recently disabled Internet access for several thousand customers. Which Cisco solution best matches this business need?（）

A.Network security

B.Virtual Private Network (VPN)

C.Wireless network

D.Content networking

You have a computer that runs Windows Vista.You connect to your company’s network by using a virtual private network (VPN) connection. You notice that when you establish the VPN connection, you are unable to access Internet Web sites. When you disconnect the VPN connection, you can access Internet Web sites.You need to access Internet Web sites while you are connected to the VPN connection.What should you do?（）

A.A

B.B

C.C

D.D

现在具有加密/解密功能的路由器使人们通过互联网连接这些局域网成为可能，这就是我们通常所说的虚拟专用网(Virtual Private Network，VPN)，下列各项属于VPN所采用的加密手段的是(7)。

A．具有加密功能的防火墙

B．单独的加密设备

C．具有加密功能的路由器

D．VPN内的各台主机对各自的信息进行相应的加密

A.远程访问虚拟网(Access VPN)

B.企业内部虚拟网(Intranet VPN)

C.企业扩展虚拟网(Extranet VPN)

D.外部访问虚拟网

在通信专业中，描述网络模式的缩写词VPN的英文全称是（），“时隙”英文通常翻译为（）。

A．Video Protected Network B．Visual Private Network C．Virtual Private Network D．Virtual Protected Network

A．frame B．slot C．group D．set