Implementation第 57 / 100 题
Which technology creates an encrypted tunnel for remote users to access a private network over the internet?
a.DMZ
b.Proxy
c.VPN
d.NAT
解析
A virtual private network (VPN) establishes an encrypted tunnel over an untrusted network, protecting traffic between the remote user and the corporate network. It preserves confidentiality and integrity in transit. IPsec and TLS are common VPN foundations.
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