What determines network bandwidth?

The speed of a network is defined as the bit rate of the circuit, determined by the physical signal speed of the medium. Bandwidth is how much of the physical circuit’s capacity can be used to transmit data and is determined by how much of the network capacity is available based on the connection .

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How does spectrum affect bandwidth?

Bandwidth is actually a measure of the difference between the lowest and highest frequencies being carried . Each of these communications bands offers differing amounts of bandwidth, based on the range of frequencies they cover. The higher up in the spectrum you go, the greater the range of frequencies involved.

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