A hub is basically a port replicator, meaning it turns one jack into multiple jacks, and a router adds protection measures, deciding which computers can access certain devices. Discover how hubs do not prioritize what they receive with help from an IT professional in this free video on hubs and routers.Expert: Matt Berkowitz Contact: enduserblues.blogspot.com/ Bio: Matt Berkowitz is an IT professional specializing in end-user support for internal networking and hardware-related functions. Filmmaker: Dimitri LaBarge