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Networking Ports and Protocols Quiz

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Questions and Answers

What type of channel is required for baseband transmission?

Band-Pass

Low-Pass (correct)

High-Pass

Middle-Pass

What is the process of converting an analog signal to digital?

Transmission

Modulation

Digitization (correct)

Demodulation

What is the purpose of modulation in signal transmission?

To increase the bandwidth of the signal

To increase the amplitude of the signal

To change the frequency of the signal

To use a band-pass channel (correct)

How is the wavelength of an analog signal related to the propagation speed?

Wavelength = Propagation Speed / Frequency Signup and view all the answers

What is the concept of wavelength for an analog signal?

The distance one cycle occupies on the transmission medium Signup and view all the answers

What is the process of sharing a single channel by multiple signals?

Multiplexing Signup and view all the answers

What is the main difference between analog and digital signals?

Analog signals are continuous whereas digital signals are discrete. Signup and view all the answers

Which type of modulation is used to transmit an analog signal over a digital channel?

All of the above Signup and view all the answers

What is the most common communication mode in computer networks?

Full-duplex Signup and view all the answers

What is the speed of electromagnetic waves in a vacuum?

3 x 10^8 m/s Signup and view all the answers

Which type of modulation is used to transmit digital signals over analog channels?

All of the above Signup and view all the answers

What is the minimum length of a digital signal?

1 bit Signup and view all the answers

What technique is used to transmit digital signals?

Time Division Multiplexing (TDM) Signup and view all the answers

Which communication mode is used for analog signals?

Simplex mode Signup and view all the answers

What is the relation between frequency and time period?

F = 1/T Signup and view all the answers

What is the physical layer concerned with?

Bit-by-bit delivery Signup and view all the answers

What is the size of port addresses in TCP/IP?

16-bit long Signup and view all the answers

Which modulation technique is used for transmission over a wider range?

Frequency modulation Signup and view all the answers