switch & bridge

hi

could u plz explain me the difference between a switch and a bridge, a hub and a repeater.
these are available with how many ports and cost

see my answer to frame relay

I also mentioned this in your other post, but so you don't have to go get it - You can look at this site under Networking/Connectivity.

There is a lot of very good and easy to understand tutorials here that you may want to make use of.

Tom.