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NETWORKING - PHYSICAL LAYER MCQ | Networks

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questions

Title
The physical layer is concerned with the movement of _______ over the physical medium
The _______ is the physical path over which a message travels
Before data can be transmitted, they must be transformed to ________
A periodic signal completes one cycle in 0.001 s. What is the frequency?
The physical layer concerns with
The physical layer translates logical communication requests from the ______ into hardware specific operations
The term ......... describes the position of the waveform relative to time 0
In a frequency-domain plot, the horizontal axis measures the ________
In a time-domain plot, the horizontal axis is a measure of ________
If the bandwidth of a signal is 5 KHz and the lowest frequency is 52 KHz, what is the highest frequency?
What is the bandwidth of a signal that ranges from 1 MHz to 4 MHz?
As frequency increases, the period ________
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
A sine wave is ________
If the maximum amplitude of a sine wave is 2 V, the minimum amplitude is ________ V
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 ________
________ is a type of transmission impairment in which the signal loses strength due to the resistance of the transmission medium
_______ 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
_______ is a type of transmission impairment in which an outside source such as crosstalk corrupts a signal
When propagation speed is multiplied by propagation time, we get the ________
total questions: 237

Questions

237

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299

Points

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