Two sinusoidal signals have the same amplitude (A) and the same frequency (f). They differ in phase by 180 degrees. If these two signals are added together, the result is a sinusoidal signal having an amplitude of:
Answer(s): A
Which of the following correctly lists the lowest frequency band to the highest frequency band?
The conversion of an analog speech signal to a pulse code modulation (PCM) digital signal involves all of the following steps EXCEPT:
Answer(s): E
The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt. What is the signal-to-noise ratio (SNR) (dB) at the receiver input?
Answer(s): B
You must place CAT6 cable above a factory floor with automated welding machines and hammer forges. Of the following, what type of shielding would be most effective?
Answer(s): C
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q:32 answer has to be option c
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q23, its an array, isnt it? starts with [ and end with ]. its an array of objects, not object.
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i think it should be a,c. option d goes against the principle of building anything custom unless there are no work arounds available
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question 232 answer should be perimeter not netowrk layer. wrong answer selected
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a laptops wireless antenna is most likely located in the bezel of the lid
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question 81 should be c.
question 18 : response isnt a ?
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