The physical layer of a network - Linux Quiz

Linux - Quiz(MCQ)

The physical layer of a network

A)

controls error detection and correction

B)

constructs packets of data and sends them across the network

C)

defines the electrical characteristics of signals passed between the computer and communication devices

D)

All of the above

Correct Answer : defines the electrical characteristics of signals passed between the computer and communication devices

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A)

DOS

B)

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C)

Linux

D)

UnixWare

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A)

du

B)

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C)

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A)

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B)

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C)

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D)

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Correct Answer : chmod u + x letter

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