??? ??? ??? ?????. ?? ??????? ??? ??? ??? ??? ??? ??? ??? ????? ???? ??? ??? ? ??? ???? ??????. ?? ? ??? ???/?/?? ??? ??? ?? ? ????.MAC addresses are most frequently assigned by the producer of a network interface controller (NIC) and are stored in its components, such as the card's examine-only memory or A few other firmware mechanism. If assigned