Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q461: The wavelength of a sine wave traveling through a medium is determined by _______.
- A: The speed of the wave and its frequency
- B: The amplitude of the wave and its frequency
- C: The phase and frequency of the wave
- D: The duration of the signal
View Answer
A
Q462: The wavelength of a signal in a transmission medium depends on _______.
- A: The propagation speed and frequency
- B: The amplitude and power
- C: The type of signal and frequency
- D: The signal's period and strength
View Answer
A
Q463: Fill in the blank: A higher frequency results in a _______ wavelength.
- A: Shorter
- B: Longer
- C: Constant
- D: Irregular
View Answer
A
Q464: Wavelength is a key factor in understanding _______ in communication systems.
- A: Signal propagation
- B: Signal distortion
- C: Signal amplification
- D: Signal filtering
View Answer
A
Q465: The speed of a signal is determined by the _______ of the transmission medium.
- A: Wavelength
- B: Frequency
- C: Propagation speed
- D: Period
View Answer
C
Q466: Fill in the blank: The wavelength of a signal traveling through a medium can be calculated by _______.
- A: Wavelength = Propagation Speed / Frequency
- B: Wavelength = Frequency / Propagation Speed
- C: Wavelength = Speed / Frequency
- D: Wavelength = Amplitude / Period
View Answer
C
Q467: The relationship between wavelength, frequency, and propagation speed is most relevant in _______.
- A: Communications and signal processing systems
- B: Power distribution systems
- C: Electric circuits and resistance
- D: Sound amplification systems
View Answer
A
Q468: A sine wave is comprehensively defined by its _______.
- A: Amplitude, frequency, and phase
- B: Frequency and amplitude only
- C: Amplitude and phase only
- D: Frequency and phase only
View Answer
A
Q469: The time-domain plot shows changes in signal amplitude with respect to _______.
- A: Frequency
- B: Time
- C: Phase
- D: Speed
View Answer
B
Q470: A frequency-domain plot is more useful when dealing with _______.
- A: Multiple sine waves
- B: A single sine wave
- C: Time-domain analysis
- D: High-frequency signals
View Answer
A