MAC-ADDRESS
MAC ADDRESS STAND FOR MEDIA ACCESS CONTROLL ADDRESS IT IS ALSO KNOWN AS PHYSICALLY ADDRESS OR HARDWARE ADDRESS.
MAC ADDRESS IS A UNIQUE AND PERMANENT ADDRESS FOR ALL ELECTRONIC AND NETWORKING DEVICE.
MAC-ADDESS IS EQUAL TO 48 BITS.
MAC-ADDRESS FOEMAT
1. MM:MM:MM:SS:SS:SS
2. MM-MM-MM-SS-SS-SS
3. MM.MM.MM.SS.SS.SS
"M" REPRESENT MANUFACTURE COMPANY AND "S" REPRESENT MANUFACTURE SEVICES THY COMMUNICATE EACH OTHER.
EXAMPLE OF MAC-ADDRESS : 3C:D9:2B:6F:2B:9C
TYPES OF MAC-ADDRESS
UNICAST: REPRESENTS A SPECIFIC PORT IN THE NETWORK.
MULTICAST: REPRESENTS A GROUP OF DEVICES IN THE NETWORK.
BROADCAST: REPRESENTS ALL DEVICES IN A NETWORK.
ADDVANTAGES OF MAC-ADDRESS
1. IT PROVIDES A SECURE WAY TO FIND SENDERS OR RECEIVERS IN THE NETWORK.
2. MAC ADDRESS HELPS YOU TO PREVENT UNWANTED NETWORK ACCESS.
3. MAC ADDRESS IS A UNIQUE NUMBER; HENCE IT CAN BE USED TO TRACK THE DEVICE.
4. WI-FI NETWORKS AT THE AIRPORT USE THE MAC ADDRESS OF A SPECIFIC DEVICE TO IDENTIFY IT.
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