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22. (FCS Frame Check Sequence)
(FCS Frame Check Sequence) 32- (CRC) . Ethernet Token Ring.
23. (ETR Early Token Release). ³
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25. Arcnet ( ARCnet Attached Resource Computer Net, ' )
Arcnet ( ARCnet Attached Resource Computer Net, ' ) . Datapoint Corporation 1977 . ̳ , . , Arcnet ( 1980 1990 ..) , Ethernet. (, Datapoint, Standard Microsystems, Xircom .) . Arcnet .
26. Arcnet Ethernet
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