.


:




:

































 

 

 

 





(. backup) , .

400 . , . , (100 ) .

.

- 400 . , . , ERP: MSSQL, Exchange, Oracle, Lotus/Domino, SAP/R3. , (100 )

:

- ,

-

-

- Linux

- Microsoft Windows

.

20. . - . .

17. , . Ethernet, Token Ring.

- , , ,

Ethernet - . 10/100/1000 /, CSMA/CD

Token Ring

- -:

1) - ,

4-16 /

-

- IBM TYPE 1,2

MSAU. MSAU ( ) - . , , 2 .

18. Ethernet 100 /: , ,

Ethernet - . 10/100/1000 /, CSMA/CD

100BaseT4 4 . . - - 100BaseTx(fast ethernet) 2 5

100BASE-FX 100 / Ethernet . 400 ( ) 2 .

100BaseSX .

100BaseLx . (15 )

19. Gigabit Ethernet: , ,

Ethernet - . 10/100/1000 /, CSMA/CD

1000BaseSx - . 300 d=62.5 550 d=50

1000BaseCx - , 25. .

1000BASE-TX, Ethernet 1 /, 6.

20. FDDI: , ,

FDDI

. .

- DAS (Dual attachid station)

, 2 . DAS . .

FDDI 100 /, 2 , 100

FDDI , . - SAS (DAS 2 ). 500 DAS 100 SAS.

FDDI 400 000 .





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