Ethernet Flashcards
How does a repeater work?
Takes in frames from one side, and copies them onto the other side.
How does a dumb bridge work?
A bridge receives, buffers and transmits all unbroken frames onto the other side.
How does a filtering bridge work?
Forwards all unbroken frames that belong on the other side
What is an ethernet hub made up of?
Repeaters
How does an ethernet hub behave?
Transmits all frames that come in from one port out of all of the others
What is an ethernet switch made up of?
Filtering bridges
How does an ethernet switch work?
If the destination of a packet is known, it is sent out of that port. Otherwise the packet is transmitted out of all of the ports.
Full duplex
Allows data to move in both directions simultaneously.
How does a cut-through switch behave?
Looks at the header of a frame as soon as it receives it, and then starts transmitting out the correct port (Or all of them if destination is not known)