308     4          

         
 -    ,     
   .     EtherSwitch
 Kalpana      -
,     20 /.

     FDDI-,
      FDDI  -
   200 /.

       , 
     .

      -
       ,   -
 Ethernet  Fast Ethernet.    Fast Ethernet  Gigabit
Ethernet        
   .      
  ,     CSMA/CD  -
          -
   .

      -
   ,       
  .      
,           
 .

         .
     ,    
       -
  .

      

          -
         -
,         , 
   .       
 ,        
          ,
     ,     ,
      .     
      ,    ,
         , 
      ()  -
.

      ,    -
,         -
  ,       ,
    . ,  Ethernet
    14 880   ,     -
 ,  .