Transmission Media Quiz ICE 3203
Authored by Galeleo Mendoza
Engineering
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which parameter has the most significant impact on the attenuation of a signal in a transmission medium?
Data rate
Frequency of the signal
Transmission distance
Modulation technique
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
In twisted-pair cables, increasing the number of twists per unit length primarily helps to:
Improve signal strength
Reduce crosstalk and electromagnetic interference
Increase bandwidth capacity
Enhance attenuation resistance
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
The dominant factor that limits the bandwidth of a multimode fiber-optic cable is:
Chromatic dispersion
Modal dispersion
Attenuation
Polarization mode dispersion
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is the primary reason that single-mode fiber-optic cables are preferred for long-distance communication?
Lower cost compared to multimode fiber
Higher attenuation
Elimination of modal dispersion
Easier installation
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
In coaxial cables, the shielding layer serves the primary purpose of:
Increasing bandwidth capacity
Reducing signal reflection
Preventing external electromagnetic interference
Supporting higher frequency transmission
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
The skin effect in guided transmission media refers to:
Increased resistance at lower frequencies
Attenuation caused by dielectric materials
Tendency of high-frequency signals to travel near the surface of a conductor
The absorption of signals by surrounding media
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which factor does NOT directly affect the propagation speed of a signal in a guided transmission medium?
The material's refractive index
Signal frequency
Temperature variations
Length of the transmission medium
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