Q. ________ is a type of transmission impairment in which an outside source such as crosstalk corrupts a signal.

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Q. When propagation speed is multiplied by propagation time, we get the ________.

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Q. Data can be ________.

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Q. _______ data are continuous and take continuous values.

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Q. _______ data have discrete states and take discrete values.

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Q. Signals can be ________.

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Q. _____ signals can have an infinite number of values in a range.

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Q. _______ signals can have only a limited number of values.

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Q. Frequency and period are ______.

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Q. ________is the rate of change with respect to time.

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Q. _______ describes the position of the waveform relative to time 0.

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Q. A sine wave in the ______ domain can be represented by one single spike in the _____ domain.

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Q. A _________ sine wave is not useful in data communications; we need to send a _______ signal.

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Q. The _____ of a composite signal is the difference between the highest and the lowest frequencies contained in that signal.

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Q. A(n)_________ signal is a composite analog signal with an infinite bandwidth.

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Q. Baseband transmission of a digital signal is possible only if we have a ____ channel.

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Q. If the available channel is a ____ channel, we cannot send a digital signal directly to the channel.

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Q. For a ______ channel, the Nyquist bit rate formula defines the theoretical maximum bit rate.

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Q. For a ______ channel, we need to use the Shannon capacity to find the maximum bit rate.

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Q. _________ can impair a signal.

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