One can set up their private network using many different methods. One method is to place a WEP on one's network, to at least prevent casual users from entering.
A Cisco VPN is a Virtual Private Network and used to extend a private network over a wider public network. One might use such a network from Cisco to access a private network from a remote location.
extranet
VPN (virtual private network)
The internet, it is one large network that uses diffrent connection mediums to connect all computers across the world. Wheter they are in their own private network or not.
the answer is virtual private network
the answer your looking for is Virtual Private Network
Tunneling, also known as "port forwarding," is the transmission of data intended for use only within a private, usually corporate network through a public network in such a way that the routing node in the public network are unaware that the transmission is part of a private network. Tunneling is generally done by encapsulating the private network data and protocol information within the public network transmission units so that the private network protocol information appears to the public network as data. Tunneling allows the use of the Internet, which is a public network, to convey data on behalf of a private network.
Yes you can legally join an unlocked network. If they wanted to keep there network private and didn't want any one to use it they could stop the network from broadcasting or put a password and lock the network.
A network bridge joins two networks to make one. A network repeater extends one network to make it larger/more powerful.
VPN (Virtual Private Network)
Private Profile
YES