The clue is in the name "Virtual Private Network". It is a mechanism for simulating a point-to-point type network over existing network infrastructure without anyone else outside that mechanism (but using the same infrastructure) having access to it (unless you want them to). Usually implemented in soft/firmware. There is quite a lot more to it … Read more
A network that inputs your IP and spits out a different IP to show websites.
I don't think it's that little but I have a Library right on the corner about a half mile away or less. Spend some time there here and there. Books are always free to check out !