... in the core: • The 500 0/ 5500 Series. The 500 0 is a great distribution layer switch, and the 5500 is a great core layer switch. The Catalyst 500 0 series of switches includes the 500 0, 500 2, 5500 , ... other, they could also collide with each other. If a host had to broadcast, then all other devices had to listen, even though they themselves were trying to transmit. And if a device were to ... data to the Transport layer, which transports the data from the source host to the destination host. However, before this happens, the Network layer adds routing information to the packet. It then...