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MAC ADDRESSES (MAC) MEDIA ACCESS CONTROL (1ST LAYER: (NETWORK…

- - - - THE FIRST 3 BYTES: 00:21:70 - QUESTO E IL OUI - "Oganizationally Unique Identifier" - (like an ID). The IEE DA QUESTO # AL MANUFACTURER
        
        FOR EXAMPLE - IF YOU HAVE YOUR OWN COMPUTER COMPANY, LIKE DELL, HP - THEN THE 1ST 3 BYTES WILL BE THE SAME ON ALL YOUR COMPUTERS. IT'S AN ID.
        
        LAST 3 BYTES (24 BITS) ARE ASSIGNED SEQUENTIALLY.
        
        YOU MULTIPLY 2, 24 TIMES (2 to the power of 24) because there 9s 24 bytes
        
        ex: 2
        
        24
        
        Significa 2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2x2
        
        RISULTATO: 16,777,216 OPPURE PIU SEMPLICE, CIRCA 16,7 MILLION. (QUESTO # e il numero di diverse sequenze che si possono fare degli ultimi 3 byte)
        
        1 more item...
        
        HOW TO FIND MAC ADDRESS ON A WINDOWS MACHINE??
        
        start
        
        run
        
        type cmd
        
        Where it says: c:\Users\Alton>
        
        type: ipconfig/all
        all together should like this: c:\Users\Alton>ipconfig/all
        GO TO PHYSICAL ADDRESS: IT WILL SHOW YOU YOUR MAC ADDRESS!!
        (whoop whoop!!!!)