Компьютерные технологии в науке и образовании. Смирнов С.А. - 124 стр.

UptoLike

ВУЗ: 

ИГХТУ | Иваново

Составители: 

Рубрика: 

123
connection-oriented ()
, :
, . 
 X.25, Internet TCP, .
Control Characters ()
  –   ,  
     (, , 
, , , .).
CRC (Cyclic Redundancy Check )
     .   
      
   .     
.
.
CSMA/CD (Carrier sense multiple access/collision detection  
)
     (),   
IEEE802.3    Ethernet. CSMA/CD ,   ,
 ,  ""    
    – .  
,        
     .   Ethernet
 35-40%       
 .      
.
CSNET: Computer+Science Network.
  ,     , 
   .  CSNET  ,
     . 
 BITNET  CREN. .  BITNET.
Data ()
    ,  , ,
,  () .
Data Link Layer
 2   OSI.    , 
        . 
  2      
.
Data Rate, Data Signaling Rate
,  (bps).
dB (Decibel -)
      (
).
Dedicated LAN ()
         
.  (10 )
.
DHCP (Dynamic Host Configuration Protocol    
)
   , 
    TCP/IP.  DHCP
 BootP 
  IP-      ,
,  DNS.
connection-oriented (                                                  )
                                           ,                                                                                                                      :
                                          ,                                                                                    .
                                  X.25, Internet TCP,                                                                  .
Control Characters (                                                       )
                                           –                                                                       ,
                                                                                       (                  ,                           ,
              ,            ,                                                   ,                                                    .).
CRC (Cyclic Redundancy Check                                                                                                                                  )
                                                                                              .

                                                            .
                                                                                                                                                                  .
                                                                                                                                                              .
CSMA/CD (Carrier sense multiple access/collision detection
                                                                                                               )
                                                                    (      ),
         IEEE802.3                                            Ethernet. CSMA/CD                                    ,                                              ,
                              ,                             "             "
                                                                              –                                    .
                     ,
                                                                                                                           .                     Ethernet
                     35-40%
                                   .
                         .
CSNET: Computer+Science Network.
                               ,                                                                                                                          ,
                                                                   .                       CSNET                                                                  ,
                                                                                                                                                  .
                                       BITNET                                              CREN.           .                       BITNET.
Data (          )
                                                                                                  ,                                                   ,           ,
                                                  ,                                                   (                )             .
Data Link Layer
               2                           OSI.                                                                                          ,
                                                                                                                                             .
                                       2
                                                                  .
Data Rate, Data Signaling Rate
                                                                           ,                                   (bps).
dB (Decibel -            )
                                                                                                                                             (
                         ).
Dedicated LAN (                                       )

                                                                                   .                                                         (10                  )
                                 .
DHCP (Dynamic Host Configuration Protocol
    )
                                                                                                                ,
                                                                                                          TCP/IP.                                         DHCP
                                                                BootP
                                                          IP-                                                                                                     ,
                                                                                       ,                  DNS.
                                                                       123

Страницы