Practice Exam 3

Question 1

Which termination kit has a single connector on one end and loose fiber on the other; and is designed to patch a long single mode fiber run

Answer 1

Pigtail

Question 2

What can be used to greatly reduce Fresnel reflection that maintains nearly the same refractive index of the optical fibers

Answer 2

Index Matching Gel

Question 3

Which technique is dependent on the quality of the cleaving tool for optimum termination performance

Answer 3

NPC- No polish connector

Question 4

What consideration should be accounted for regarding cable length when installing fiber optic cable

Answer 4

Slack

Question 5

Specifying fiber type is always required when using cable management products

Answer 5

True

Question 6

When testing mutlimode Local Area Networks what teo types of electro-optical light sources can be used in Visual Fault Locators

Answer 6

LED

VCSEL

Question 7

What instrument is used to identify dirty, damaged, or poorly finished connectors

Answer 7

Inspection scope

Question 8

How many feet can an unlisted cable extend inside a structure, according to the NEC article 770, before it must transition to listed cables

Answer 8

50ft

Question 9

Any electrical conductive materials that may become energized, like metal armor or metallic strength members of an optical fiber cable, shall be bonded and grounded at the point of entrance into a building is found in which article of the NEC

Answer 9

Article 250

Question 10

What does NEC stand for

Answer 10

National Electric Code

Question 11

When trying to determine the bend radius of a cable that is not known or marked, what is the generally accepted rule to calculate the bend radius

Answer 11

20 times the cable OD

Question 12

What class of laser has the highest power and the most health hazards associated with it

Answer 12

Class 4

Question 13

Are minor defects allowed anywhere on the end face of a connector? If so, where would those minor defects be allowed

Answer 13

Cladding

Question 14

If you are looking at A cross-section of a fiber optic cable which ring is identified as the core

Answer 14

The center ring

Question 15

What is the acronym for LASER

Answer 15

Light Amplified by Stimulated Emissions of Radiation

Question 16

What’s does the “C” and “R” stand for in OFCR

Answer 16

Conductive Riser

Question 17

There are the three methods of fiber fabrication when making a reform, name two

Answer 17

OVD- Outside Vapor Deposition

VAD- Vapor Axial Deposition

Question 18

What is the diameter for the acrylate coating on a European standard core(50um)

Answer 18

250 µm

Question 19

Describe the three types of dispersion

Answer 19

Mode, Material, waveguide

Question 20

What component of a light source is capable of converting light into electrical energy

Answer 20

Photodiode

Question 21

What is the term for the layer of the fiber strand that is used to restrict the light turned to propagate and ensure Total Internal Reflection

Answer 21

Cladding

Question 22

Which class of lasers is hazardous to the eye, has intermediate power, and is used in spectrometry, stereolithography, and entertainment light shows

Answer 22

Class 3b

Question 23

Name three of the six advantages of fiber optics cables have over copper cables

Answer 23

Small Size
Light Weight
Low Loss

Question 24

What does ETA stand for

Answer 24

Electronics Technicians Association

Question 25

Name 3 ways Fiber Optics is used today

Answer 25

Internet
Security Systems
Cellular Systems