࠭ ଠ  ࠧ ,   -
  । ᮮ饭.  ଠ  
砥   ,   ஬ -
ࠬ  ன⢠  த ⮢    㭪⠬.
 ஢  ⢥⢥    ⠢ ⮢
  筨 ᮮ饭  .

  ஢.  ஢ 뢠  ᫮-
  砥 ᫥⥫ । ᨬ, ⠢-
  ᮮ饭. - ᢮ ᫮  ࠧ  
஢: ஫ 㯠  । (MAC - Media Access Control)
 ᪨ ஫ 裡 (LLC - Logical Link Control). -
 MAC ࠢ 㯮  䨧᪮ । (। થ
 㦥 , ਬ)  ⢫ ஫
. ஢ LLC 室  ஢ MAC  ⢫
ਥ  ।  ⮢ ᮮ饭 짮⥫ (筮,
ᮢ  㦨 䠩).  ⮬ ஢ ᯥ稢
堭 ࠭樨   㦥 訡 ।,
祬  ⮬ 堭  ⮫쪮 筨  ਥ
ᮮ饭,  ⠫    ९஢
ᮮ饭  筨 .

 ᪨ ஢.  ⮬ ஢ ந室 ८ࠧ
ᨬ, ⠢ ᮮ饭,  ᪨ ᨣ 
ᯥ祭  宦  ࠬ .  ⮬
஢ 祣  ⭮   ᮮ饭,  -
஢  㣮 ᮤন । . ᪮ ⠫-
 ஢ 㦥 믮   ࠡ,  ஢ ⠥
⮫쪮 । ᪨ ᨣ   ( ਭ ).
 ⮩   OSI ⠪ । 䨧᪨  -
᪨ ࠪ⨪  ᮥ, ⠢ , -
 , ࠧꥬ, ⥫ ᨣ  ..  ஢
 ।⠢ ᥡ  .

⨬ - ⥯,  ன ⥢   ணࠬ
  ࠧ ந⥫   ࠡ  
㣮 - ⥫쭮   ᬮ७   ஢
 OSI.

᪨   ஢

 ᯮ짮  । ⨯ 䨧᪠ ᮢ-
 । 쭮 . ᫨ - ᮮ,  
ᮥ    ᨠ쭮  RG-58 A/U,  
让 ⭮  ࠧ ।⠢ ᥡ ⮭ EtherNet (ThinNet).
᫨ 㯮 ࠭஢   ( 1 IBM),  ᪮॥ ᥣ
  ਤ Token Ring. ࠭஢    
⭮襭  Token Ring  ⭮⥫쭮  䨪樨 EtherNet
10BASET.  ⮢ ? FDDI 筮  ࠭

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