Well seeing a crossover cable is Cat5 cable anyway, silly question...
(You will need a crossover cable to connect 2 machines together
without using a switch/hub/router)

Der..........Cat5 of course & use a switch not a hub..

Yes As long as you install the correct bindings & shares..


Once again as long as you set it up properly



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B-)
Life is pain.....
Deal with it!!