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2023数据库系统工程师真题参考答案火热出炉
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2019年11月网络工程师考试上午真题【基础知识】

【70】网络规划与设计过程中应遵循一些设计原则，保证网络的先进性、可靠性、容错性、安全性和性能等。以下原则中有误的是（70）。

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【71-75】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 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 （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.

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