Broadband Transport Specialist Module 01
Broadband Transport Specialist Module 01 - History of Fiber
1.
What is the name of the type of architecture (or topology) used by SONet or 10 gigabit Ethernet (10gigE) networks?
a.
bus
b.
ring
c.
star
d.
hybrid
e.
mesh
2.
The greater the density difference between two materials, the more a ray of light will ___.
(Choose 2)
a. attenuation less b. bend c. refract d. deflect e. absorb
3.
What does LASER stand for?
a.
Light Amplification by Stimulated Emission of Radiation
b.
Light Amplification of Spreading Emission Reflection
c.
Light Amplitude of Stimulated Emission of Refraction
d.
Light Amplitude of Stimulated Effect of Radiation
4.
What causes most fiber optic attenuation and absorption?
a.
exceeding the bending radius
b.
impurities in the coating
c.
impurities in the cladding
d.
temperature
e.
impurities in the glass
5.
Light traveling from a more dense medium to a less dense medium is like traveling from a slow medium to a fast medium; such that a light ray will ___.
a.
bend towards the normal
b.
bend away from the normal
c.
equal the critical angle
d.
total internal reflection will occur
6.
What is the wavelength an erbium-doped optical-fiber amplifier (EDFA) typically operates?
a.
1490 nm
b.
1550 nm
c.
1310 nm
d.
1625 nm
7.
How many miles does 1 kilometer equal?
a.
0.62
b.
6.2
c.
0.062
d.
62
8.
What is the capacity supported by an STS-1 or STM-0?
a.
155.52 Mbps
b.
622.08 Mbps
c.
51.84 Mbps
d.
9953.28 Mbps
e.
39813.12 Mbps
9.
The number of channels supported by DWDM.
a.
4+
b.
8+
c.
16+
d.
32+
10.
What is the name of the phenomenon when both refraction and reflection combine and all light is reflected (change direction)?
a.
a semaphore signal
b.
index of refraction
c.
total internal reflection
d.
1.
What is the name of the type of architecture (or topology) used by SONet or 10 gigabit Ethernet (10gigE) networks?
a.
bus
b.
ring
c.
star
d.
hybrid
e.
mesh
2.
The greater the density difference between two materials, the more a ray of light will ___.
(Choose 2)
a. attenuation less b. bend c. refract d. deflect e. absorb
3.
What does LASER stand for?
a.
Light Amplification by Stimulated Emission of Radiation
b.
Light Amplification of Spreading Emission Reflection
c.
Light Amplitude of Stimulated Emission of Refraction
d.
Light Amplitude of Stimulated Effect of Radiation
4.
What causes most fiber optic attenuation and absorption?
a.
exceeding the bending radius
b.
impurities in the coating
c.
impurities in the cladding
d.
temperature
e.
impurities in the glass
5.
Light traveling from a more dense medium to a less dense medium is like traveling from a slow medium to a fast medium; such that a light ray will ___.
a.
bend towards the normal
b.
bend away from the normal
c.
equal the critical angle
d.
total internal reflection will occur
6.
What is the wavelength an erbium-doped optical-fiber amplifier (EDFA) typically operates?
a.
1490 nm
b.
1550 nm
c.
1310 nm
d.
1625 nm
7.
How many miles does 1 kilometer equal?
a.
0.62
b.
6.2
c.
0.062
d.
62
8.
What is the capacity supported by an STS-1 or STM-0?
a.
155.52 Mbps
b.
622.08 Mbps
c.
51.84 Mbps
d.
9953.28 Mbps
e.
39813.12 Mbps
9.
The number of channels supported by DWDM.
a.
4+
b.
8+
c.
16+
d.
32+
10.
What is the name of the phenomenon when both refraction and reflection combine and all light is reflected (change direction)?
a.
a semaphore signal
b.
index of refraction
c.
total internal reflection
d.