__________________1.3.      ___69

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 (connectionless).      -
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.      
.

1.3.3.   OSI

 

  (Physical layer)       
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       lOBase-T
 Ethernet,       -
    3    100 , 
RJ-45,     100 ,  
    ,     
   .

 

     .    ,  
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layer)     .   
       . 
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(frames).       ,
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        .   -
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