 2.   TCP/IP_____________________________27

  
    1 

                 
  
    1 

               
. 2.2.     

      .  , 
 , , Ethernet  Token Ring,  -
     .      -
      .

,   Ethernet,   . ,  
  ,    ,   
    Ethernet.     -
  IP-,   ,    
          .   -
   ,      .  
   ,      .

         " ".
       -
   IP-.       
  ,    IP.  IP-, -
  IP-   ,    1,  , -
     ,   = 0.   -
   . 2.2     255.255.255.0.

  IP-        
.    256 ,     
  254 .       255.255.255.0. ,
       ,      -
    60 ,     255.255.255.192.
   1024    62   .  
   ""     -
    .

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,   : 0  " "   .