Q. The constellation diagram of BPSK has ______ dots.

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Q. The constellation diagram of QPSK has ______ dots.

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Q. The constellation diagram of 16-QAM has ______ dots.

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Q. The Federal Communications Commission (FCC) allows ______kHz for each AM station.

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Q. The Federal Communications Commission (FCC) allows ______ kHz for each FM station.

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Q. Which of the following layer decide the transmission rate in a Network?

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Q. What is the main function of DSLAM?

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Q. What is the use of Bridge in Network?

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Q. Repeater operates in which layer of the OSI model?

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Q. Which of the following is not the possible ways of data exchange?

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Q. This kind of data transmission allows data to be transmitted in both directions on a signal carrier at the same time.

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Q. What is the difference between a switch and a hub?

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Q. MAC address is also known as __________.

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Q. Repeater operates in which layer of the OSI model

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Q. Repeater function in the ...................... layer.

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Q. A repeater takes a weakened or corrupted signal and ............... it.

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Q. What device separates a single network into two segments but lets the two segments appear as one to higher protocols?

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Q. Which of the following is used for modulation and demodulation?

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Q. Which of the following types of channels moves data relatively slowly?

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Q. Which of the following device is used to connect two systems, especially if the systems use different protocols?

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