Fiber Optic Principles - Solutions and Standards

Question 1

Which one of the following is a collective term for bringing all possible fiber topologies from the telecom or cable carrier to its customers, based on the location of the termination point?

Fiber to the Customer - FTTC

Fiber to the Box - FTTB

Fiber to the X - FTTX

Fiber to the Desktop - FTTD

Answer 1

Fiber to the X - FTTX

Question 2

Which one of the following is caused when a light wave of a given frequency strikes a material with a molecular structure of the same frequency, converting light energy into heat as it interacts with the material?

Propagation

Refraction

Reflection

Absorption

Answer 2

Absorption

Question 3

Which one of the following is caused when a light signal collides with a very small particle or impurity in the glass, knocking it off course in all directions?

Scattering

Absorption

Reflection

Propagation

Answer 3

Scattering

Question 4

Which one of the following is the loss of signal power over the length of the cable, due to the quality of the glass, absorption, scattering, or excessive bending within the fiber?

Amplification

Propagation

Attenuation

Refraction

Answer 4

Attenuation

Question 5

Which one of the following is an advantage of using fiber optics over twisted pair copper wire?

Longer Distance Capability

Immunity to Electromagnetic Interference - EMI

Minimal Data Errors

All of the above

Answer 5

All of the above

Question 6

Which one of the following creates a permanent joint between the ends of two fibers by mechanically joining them or fusing together with heat?

Fabry-Perot Laser

Distributed Feedback Laser

Laser Diode

Splices

Answer 6

Splices

Splices create a permanent joint between the ends of two fibers by mechanically joining them or fusing together with heat.

Question 7

Which one of the following is the center part of the glass fiber that carries the light signals?

Core

Cladding

Buffer

Jacket

Answer 7

Core

The core is the center part of the glass fiber that carries the light signals.

Question 8

Which one of the following surrounds the center part of the glass fiber to cause reflection, keeping the light travelling down the fiber?

Cladding

Core

Buffer

Jacket

Answer 8

Cladding

The cladding surrounds the center part of the glass fiber to cause reflection, keeping the light travelling down the fiber.

Question 9

Which one of the following is used in measuring the diameter of a fiber?

Microns

Singlemode

Nanometer

Multimode

Answer 9

Microns

Question 10

Fiber optic shards of glass are extremely sharp and can easily penetrate skin?

True

False

Answer 10

True