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The big difference between Hub vs Switch in the method in which frames are being delivered. In a hub, a frame is passed along or "broadcast" to every one of its ports. The hub has no way of distinguishing which port a frame should be sent to. A switch, however, keeps a record of the MAC addresses of all the devices connected to it. With this information, a switch can identify which system is sitting on which port. So when a frame is received, it knows exactly which port to send it to,
Routers are completely different devices. Where a hub or switch is concerned with transmitting frames, a router's job, as its name implies, is to route packets to other networks until that packet ultimately reaches its destination.
The big difference between Hub vs Switch in the method in which frames are being delivered. In a hub, a frame is passed along or "broadcast" to every one of its ports. The hub has no way of distinguishing which port a frame should be sent to. A switch, however, keeps a record of the MAC addresses of all the devices connected to it. With this information, a switch can identify which system is sitting on which port. So when a frame is received, it knows exactly which port to send it to,
Routers are completely different devices. Where a hub or switch is concerned with transmitting frames, a router's job, as its name implies, is to route packets to other networks until that packet ultimately reaches its destination.
JUnit dosn't support group test and dependancy testing
