What is the difference between a hub, a switch, a router, and a bridge? - Quora
Difference between Hub Switch and Router | Network Device Explained | Hub switch, Wireless networking, Router switch
Hub vs Switch vs Router | What is the difference between a hub, bridge, switch and router? Devices of OSI layer 1, 2, and 3 #CCNA #CiscoSystems #networking | By Pegasus Tutorials