??? ??? ?? ???? ????? ???? ??? ?? ??????.??? ???? ??? ??? ? ??? ???? ??????. ?? ? ??? ???/?/?? ??? ??? ?? ? ????.The MAC deal with is utilized to specify a desired destination inside a network frame and in order that the data is distributed to the correct unit.??? ??? ??? ?????. ?? ??????? ??? ??? ??? ??? ??? ??? ??? ?????? ? ?????????? ???????????