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hysical link or wire.

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Posted by saqlain231

Its a physical link or wire.

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Posted by HamidAliKhan

A physical link or wire.

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Posted by waqqas1

A physical channel (includes wireless channels) or aggregate of contiguous channels that supports the transmission of electrical, optical, or telemetric data, voice, or video bit-level signaling. Also known as transport.

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Posted by bretpark