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Local Area High Speed Networks by Dr. Sidnie Feit

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U
unformatted page (UP)

A message that is part of an Auto-Negotiation exchange. Its content depends on the message code in a prior message page.

unicast address

An address that identifies a single network interface card.

universally administered MAC address

An address assigned to a network interface card by a manufacturer that has obtained a block of unique identifiers from the IEEE.

unshielded twisted-pair cable (UTP)

A cable in which wires are paired and twisted around each other. Usually four pairs are bundled into a single cable. The cables are graded by categories ranging from 1 to 7.

Unspecified Bit Rate (UBR)

A best-effort ATM service.

upstream neighbor

For Token Ring or FDDI, the adjacent neighboring ...

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