Compléter ITS501-class 3- activity 5Version en ligne Switches par ghazwa moukaddem 1 electrically connection active cables switch star signal servers workstation An Ethernet switch is a device that provides a central point for from workstations , , and peripherals . In a topology , twisted - pair wire is run from each to a central / hub . Most switches are , that is they amplify the as it moves from one device to another .