18 Questions
What type of channel is required for baseband transmission?
Low-Pass
What is the process of converting an analog signal to digital?
Digitization
What is the purpose of modulation in signal transmission?
To use a band-pass channel
How is the wavelength of an analog signal related to the propagation speed?
Wavelength = Propagation Speed / Frequency
What is the concept of wavelength for an analog signal?
The distance one cycle occupies on the transmission medium
What is the process of sharing a single channel by multiple signals?
Multiplexing
What is the main difference between analog and digital signals?
Analog signals are continuous whereas digital signals are discrete.
Which type of modulation is used to transmit an analog signal over a digital channel?
All of the above
What is the most common communication mode in computer networks?
Full-duplex
What is the speed of electromagnetic waves in a vacuum?
3 x 10^8 m/s
Which type of modulation is used to transmit digital signals over analog channels?
All of the above
What is the minimum length of a digital signal?
1 bit
What technique is used to transmit digital signals?
Time Division Multiplexing (TDM)
Which communication mode is used for analog signals?
Simplex mode
What is the relation between frequency and time period?
F = 1/T
What is the physical layer concerned with?
Bit-by-bit delivery
What is the size of port addresses in TCP/IP?
16-bit long
Which modulation technique is used for transmission over a wider range?
Frequency modulation
Test your knowledge of networking ports, protocols, and addresses with this quiz. From DHCP to DNS to HTTP, challenge yourself with questions about port numbers and their corresponding protocols.
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