JCB were recommended to us by another fencing company that does not do chainlink repairs. I called JCB around 9am on a Tuesday. They arrived to our shop at around 1pm to give us a quote.
Network Hub. A network hub is designed to connect computers to each other with no real understanding of what it is transferring. Typically, a network hub is used for a private network, one that does not have any connections to sources other than local computers (meaning, no Internet access).
A node is a point of intersection/connection within a network. In an environment where all devices are accessible through the network, these devices are all considered nodes. The concept of nodes works on several levels, but the big-picture view defines nodes as the major centers through which Internet traffic is typically routed.