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- 1. Multiple Choice
Which transmission media has the highest transmission speed in a network?
coaxial cable
twisted pair cable
optical fiber
electrical cable
- 2. Multiple Choice
Bits can be send over guided and unguided media as analog signal by
digital modulation
amplitude modulation
frequency modulation
phase modulation
- 3. Multiple Choice
Which data communication method is used to transmit the data over a serial communication link?
Simplex
Half-duplex
Full duplex
All of above
- 4. Multiple Choice
Which of the following performs modulation and demodulation?
fiber optics
switch
modulator
modem
- 5. Multiple Choice
In fiber optics, the signal is _______ waves.
light
radio
infrared
very low frequency
- 6. Multiple Choice
Which of the following is not a guided medium?
twisted-pair cable
coaxial cable
fiber-optic cable
atmosphere
- 7. Multiple Choice
Transmission media lie below the _______ layer.
physical
network
transport
application
- 8. Multiple Choice
Twisting in a twisted-pair help reduce the __________.
length
cost
noise
None of the choices are correct
- 9. Multiple Choice
In electromagnetic spectrum for wireless communication, reserved range for Radio waves and microwaves is known as
ground propagation
sky propagation
line-of-sight propagation
None
- 10. Multiple Choice
Radio waves, micro- waves and infrared waves are types of
wireless transmission
guided transmission
both a and b
None
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