4.4.            339

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         .

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×1 ×1 11 ×1 ×1 ×1
Ethernet /=^"\, \  \<   FDDI

. 4.44.       

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,  Ethernet, FDDI  Fast Ethernet,    
. 4.44          
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  .

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      .

   

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       . ,    ,
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 ,   (,    -
         100 ).

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        . 
    . 4.45.

      , 
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  .        -
  FDDI,     . 
     Ethernet,   -
    FDDI,         .