Virtual Private Network (VPN) Question:

Are VPNs used for specific kinds of applications or environments? If so, what are some examples of where and why VPNs would be deployed?

VPN Interview Question
VPN Interview Question

Answer:

VPNs should be used for all information exchange. I don't want to have to "go encrypted" when something secret is about to be sent. I want everything to be encrypted. It should be as commonplace as people sending postal mail in sealed envelopes. It will also ensure that the VPN mechanism is working.


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What crypto issues are relevant in the VPN context?Are there applications or environments in which VPNs would really be detrimental?