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A virtual ( ) 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 ( ). It prevents ( ) people from eavesdropping 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 ( ).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 ( ) to network.

第 1 问

A. public

B. private

C. personal

D. proper

第 2 问

A. encoded

B. encrypted

C. stored

D. transmitted

第 3 问

A. employed

B. authorized

C. unauthorized

D. criminal

第 4 问

A. channel

B. path

C. tunnel

D. route

第 5 问

A. network

B. device

C. computer

D. endpoint

参考答案: B D C C A

详细解析:

虚拟专用网络也称为VPN,用于设备接入到网络对传到互联网上的流量进行加密连接。 加密连接有助于确保安全地传输敏感数据。 它可以防止未经授权的人员窃听流量,并允许用户远程进行工作。 通过在称为隧道的Internet上建立加密连接,可以安全地发送虚拟网络上的流量。远程访问VPN可安全地连接公司办公室外部的设备。 站点到站点VPN通过Internet将公司办公室连接到分支机构。 当距离太远而无法在这些办公室之间建立直接网络连接时,可以使用站点到站点VPN。 将站点间访问视为网络到网络。

第一题:A公众        B私人        C个人        D适当的

第二题: A.编码        B.加密        C.存储        D.传播

第三题:A受雇            B.授权        C.未经授权        D刑事犯罪

第四题:A通道            B路径            C隧道            D路线

第五题:A网络            B设备            C计算机            D.端点

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