... the end destination computerStep 1: Sending Data to a Nearby RouterThe creator of the data, who is also the sender of the data, decides to send data to a device in another group. A mechanism ... router on a common data link with the sender so data can be sent to the router. The sender sends a data link frame across the medium; this frame includes the packet in the data portion of the ... 3-17.A Comment About Data LinksBecause the routers build new data- link headers and the new headers contain data- link addresses, the routers must have some way to decide what data- link addresses...