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Local Area High Speed Networks by Dr. Sidnie Feit

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S
scrambling function

A transformation applied to outgoing bits to improve the balance between transmitted 1s and 0s. The function is reversed at the receiving end.

screened twisted-pair (ScTP)

Four UTP pairs, with a single foil or braided screen surrounding all four pairs in order to minimize the effect of EMI radiation.

screened/shielded twisted-pair (SSTP)

Four twisted pairs, where each pair is shielded and a shield surrounds all four pairs.

secondary FDDI ring

A backup FDDI ring. After a fault, segments on the secondary ring will be integrated into a usable path.

segment

A copper or optical fiber between two devices. Device types include DTEs, repeaters, bridges, and routers.

shared VLAN learning

The use ...

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