Q. The _______ is the physical path over which a message travels.

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Q. Before data can be transmitted, they must be transformed to ________.

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Q. A periodic signal completes one cycle in 0.001 s. What is the frequency?

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Q. The physical layer concerns with

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Q. The physical layer translates logical communication requests from the ______ into hardware specific operations.

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Q. The term ......... describes the position of the waveform relative to time 0.

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Q. In a frequency-domain plot, the horizontal axis measures the ________.

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Q. In a time-domain plot, the horizontal axis is a measure of ________.

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Q. If the bandwidth of a signal is 5 KHz and the lowest frequency is 52 KHz, what is the highest frequency?

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Q. What is the bandwidth of a signal that ranges from 1 MHz to 4 MHz?

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Q. As frequency increases, the period ________.

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Q. Given two sine waves A and B, if the frequency of A is twice that of B, then the period of B is ________ that of A.

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Q. A sine wave is ________.

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Q. If the maximum amplitude of a sine wave is 2 V, the minimum amplitude is ________ V.

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Q. A signal is measured at two different points. The power is P1 at the first point and P2 at the second point. The dB is 0. This means ________.

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Q. ________ is a type of transmission impairment in which the signal loses strength due to the resistance of the transmission medium.

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Q. ________ is a type of transmission impairment in which the signal loses strength due to the different propagation speeds of each frequency that makes up the signal.

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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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