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True or False
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1
Light is not a type of electromagnetic radiation.
A)True
B)False
2
Light is most often measured in meters between peaks of a wave.
A)True
B)False
3
The speed of light is 300,000,000 feet per second.
A)True
B)False
4
Refraction is the bending of a light ray that occurs when the light rays pass from one medium to another.
A)True
B)False
5
Coaxial cable is far more practical and more widely used as the transmission medium for optical communication systems.
A)True
B)False
6
Most light wave communication is accomplished through pulse modulation.
A)True
B)False
7
Fiber-optic networks form the core or backbone of the Internet.
A)True
B)False
8
A major disadvantage of fiber-optic cables is their limited information-carrying capability.
A)True
B)False
9
The small size and brittleness of fiber-optic cable along with the special tools and techniques required make working with it difficult.
A)True
B)False
10
Any light beam outside the cone of acceptance will be internally reflected and transmitted down the cable.
A)True
B)False
11
Optical transponders are assemblies called optical modules into which both the light transmitter and receiver are packaged together to form a single module.
A)True
B)False
12
An important specification in a fiber-optic communication system is the data rate which is the speed of the optical pulses.
A)True
B)False
13
A flux budget is an accounting of all the attenuation and gains in a fiber-optic system.
A)True
B)False
14
Degeneration is the process of converting the weak optical signal to its electrical equivalent, then amplifying and reshaping it electronically, and retransmitting it on another laser.
A)True
B)False
15
A laser pump uses a coil of boron-doped fiber to release additional photons at the same frequency as the input photons.
A)True
B)False





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