Practice exam 4

Question 1

You should never look directly into the end of fiber cables especially with a microscope, until you are certain there is no light being transmitted down it

Answer 1

True

Question 2

What is the maximum manufacture allowed arc count for the electrodes in a fusion splicer before it is recommended that the electrodes be replaced before they become rounded or corroded

Answer 2

1000

Question 3

What is the diameter of a SC connector ferrule

Answer 3

2.5

Question 4

The first event on and OTDR trace is known as

Answer 4

Dead Zone

Question 5

For long-haul fiber runs which type of fiber has less loss and more bandwidth

Answer 5

Single Mode

Question 6

What does “V” and “F” stand for in VFL

Answer 6

Visual

Fault

Question 7

What is the term for the material used to polish the end face of connectors

Answer 7

Lapping Film

Question 8

The Kevlar jacketing surrounding the optical fiber cable serves what purpose

Answer 8

Strength and protection

Question 9

Mechanical spices in pre-polished connectors use what, to reduce loss from back reflections

Answer 9

Index Matching Gel

Question 10

The infrared light used in fiber optic’s transmissions are viewable to the naked eye

Answer 10

False

Question 11

The last event on an OTDR Trece is known as what

Answer 11

Noise Floor

Question 12

An _______ test is performed by the fusion splicer when the equipment is first turned on, before starting daily splicing operations, and after replacing the electrodes

Answer 12

Arc

Question 13

What is the name of the connector pictured below

Answer 13

LC Connector

Question 14

Name the type of connector in the individual parts that make it up shown below

Answer 14

1. Dust caps
2. Connector housing
3. Connector assembly
4. Crimp sleeve
5. Strain relief

Question 15

The maximum insertion loss for a mated connector pair, as stated in the Optical Fiber Cabling Components Standard (ANSI/TIA-568-C.3) for commercial buildings, is how much

Answer 15

0.75db

Question 16

________ is reduced significantly by using Physical Contact(PC) or Angled Physical Contact(APC) ferrule finishes

Answer 16

Connector back Reflection

Question 17

Periodic and traceable calibrations are required by which piece of test equipment

Answer 17

Optical Power Meter

Question 18

What tool is used to cut optical fibers in such a way that ends are cut to within 2° perpendicular

Answer 18

Precision Cleaving Tool

Question 19

It is not important to keep splicing environment as clean as possible

Answer 19

False

Question 20

The TIA/EIA GR-326 CORE specification states that fiber optic connectors have a repeatability value (10 repeated connections or cycles) of not greater ________

Answer 20

0.2dB

Question 21

What is used to provide a central location for cross connecting, monitoring or testing a fiber connection

Answer 21

Patch Panel

Question 22

What item is used, primarily by outside plant personnel, for the splicing and routing of optical cables

Answer 22

Splice Closure

Question 23

A microscope can confirm fiber continuity of a short distances

Answer 23

False

Question 24

Name the test instrument used for the testing of fiber optic cable spans, and includes loss per kilometer and total distance of span measurements

Answer 24

OTDR- Optical Time Domain Reflectometer

Question 25

What general factor must fiber optic installers must consider when installing fiber optic cable’s

Answer 25

Individual Building Codes