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Need help on Ethernet card?

yaragalla_mural

Junior Member
Hi i want to know exactly what network card does? actually where can i find the spec which explains the scope and functionality of the card on network? who creates and manages these specs? My core interest is in knowing what happens after the data arrives at the serial port on which network card is attached and before it is delivered on the medium. Does network card detects the IP? Who decides whether it is intended to the system or not? if network card can determine whether the packet belongs to the system or not?, up to what level it process the packet? Who re assembles the packets that come in a series?

Thanks in advance guys.
 
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