Hi everyone, I am new to this firm, so don't you all ask me a question at once, just kidding!
I think that the setup should be as follow:
Cable coming out of the wall to Cable Modem, to Router, and to either a Hub or a switch. Although, a switch will make better use of the bandwidth then a Hub.
Router= a smart swith
Switch= a smart hub (best use for managing network bandwidth)
Hub = layer 1 device and it is mainly concerned with MAC address.
Hope this helps?