Technician Review Questions Part 1

Descrição

Technician
eric rinehart
Quiz por eric rinehart, atualizado more than 1 year ago
eric rinehart
Criado por eric rinehart quase 9 anos atrás
525
5

Resumo de Recurso

Questão 1

Questão
What type of system consists of cables that were installed in an air-handling space prior to mandated use of cables that meet the flame-spread and smoke-index requirements of codes, standards & regulations?
Responda
  • Grandfathered System
  • Abandoned cable System
  • Riser Cable System
  • Non-Plenum Cable System

Questão 2

Questão
What are the 2 key components of an optical fiber?
Responda
  • Core & Cladding
  • Core & Acrylate
  • Cladding & Acrylate
  • Core & Buffer

Questão 3

Questão
The [blank_start]F Rating[blank_end] is the amount of time in hours the firestopping system can prevent flames from passing through the system.
Responda
  • F Rating
  • T Rating
  • L Rating

Questão 4

Questão
This is the establishment of a reference for the electrical power source (AC or DC), electrical equipment or both
Responda
  • Grounding
  • Bonding
  • Electrode System
  • TMGB

Questão 5

Questão
The [blank_start]L Rating[blank_end] indicates a firestops ability to provide an effective smoke seal.
Responda
  • L Rating
  • F Rating
  • T Rating

Questão 6

Questão
This provides a quick graphical representation of how a circuit is laid out
Responda
  • Circuit Layout Record
  • Cutover Plan
  • As-built

Questão 7

Questão
A Consolidation Point (CP) should serve up to 24 work areas?
Responda
  • True
  • False

Questão 8

Questão
How many walls of a TR should have fire-retardant plywood?
Responda
  • 2
  • 1
  • 3
  • 4

Questão 9

Questão
Cross-Connect Field Colors: Second-Level Backbone
Responda
  • Gray
  • Orange
  • White
  • Brown

Questão 10

Questão
All ferrous metal pathways must be bonded at both ends regardless of length when containing a bonding conductor?
Responda
  • True
  • False

Questão 11

Questão
This amount of current will cause breathing to become difficult
Responda
  • 2-3mA
  • 10mA
  • 50-100mA
  • 100mA

Questão 12

Questão
Who's responsibility is it to provide safety training for its employees?
Responda
  • Employee's Organization
  • Employee
  • OHSA
  • Customer

Questão 13

Questão
Widening or spreading out of modes in a light pulse as it progresses along the optical fiber
Responda
  • Dispersion
  • Core
  • Photons
  • Modal Bandwidth

Questão 14

Questão
This type of cutover is one continuous process until competed
Responda
  • Flash Cutover
  • Phased Cutover
  • Complete Shutdown
  • Continuous Cutover

Questão 15

Questão
This type of backbone cabling distributes telecommunications services between telecommunications spaces within a single building
Responda
  • Intrabuilding
  • Interbuilding
  • Fiber Optic

Questão 16

Questão
What is the width of the TMGB
Responda
  • 3.94 inches
  • 3.95 inches
  • 3.93 inches
  • 4 inches

Questão 17

Questão
The ITS installer can substitute products that are not part of the qualified firestop assembly
Responda
  • True
  • False

Questão 18

Questão
This firestop is used primarily for large air handling & exhaust vents
Responda
  • Blankets
  • Spray
  • Pillows
  • Foam

Questão 19

Questão
This type of cutover procedure has portions of the old system transferred to the new system in groups
Responda
  • Flash Cutover
  • Phased Cutover
  • Staged Cutover
  • Continuous Cutover

Questão 20

Questão
What is the information carrying capacity of a system
Responda
  • Bandwidth
  • Megabit
  • Megahertz
  • Decibel

Questão 21

Questão
What is the maximum length of FMT
Responda
  • 20 feet
  • 10 feet
  • 15 feet
  • 25 feet

Questão 22

Questão
26 AWG has ______ more attenuation
Responda
  • 50%
  • 20%
  • 30%
  • 40%

Questão 23

Questão
This is the copper conductor that interconnects the TMGB to TGB
Responda
  • TBB
  • GE
  • TEBC
  • ACEG

Questão 24

Questão
Cross-Connect Field Colors: Network Connections
Responda
  • Green
  • Blue
  • Purple
  • Yellow

Questão 25

Questão
Who should the ITS installer seek guidance from for minimum safety requirements for safe work & employee health
Responda
  • AHJ
  • Employer
  • OHSA
  • Safety Director

Questão 26

Questão
What is the recommended maximum value for the bonding resistance between any 2 points where bonding exists
Responda
  • 0.1 Ohms
  • 1 Ohm
  • 10 Ohms
  • 0.01 Ohms

Questão 27

Questão
The refractive index of the fiber core is higher than that of the cladding
Responda
  • True
  • False

Questão 28

Questão
This type of backbone consists of cabling that is installed between a MC and IC/HC
Responda
  • First Level
  • Second Level
  • Interbuilding
  • Fiber Optic

Questão 29

Questão
This is a result from different optical fiber lengths in multimode fiber
Responda
  • Overfill Launch
  • Modal Dispersion
  • Modal Bandwidth

Questão 30

Questão
This type of protector is used to protect against sneak current
Responda
  • Primary
  • Secondary
  • Data & Fire Alarm
  • Carbon

Questão 31

Questão
Abandoned cable can become fuel and is a fire hazard
Responda
  • True
  • False

Questão 32

Questão
Cross-Connect Field Colors: First Level Backbone
Responda
  • White
  • Gray
  • Brown
  • Blue

Questão 33

Questão
Why is copper a preferred conductor (select all correct)
Responda
  • Economical
  • Offers less resitance
  • Readily available
  • Easy to produce

Questão 34

Questão
This type of protector has a reaction time of 3-5ns
Responda
  • Gas
  • Carbon
  • Solid State
  • Primary

Questão 35

Questão
The results of a __________ will be used to develop the project schedule and the installation job plan
Responda
  • Site survey
  • Scope of work
  • Specification

Questão 36

Questão
Humans can hear in what frequency range
Responda
  • 20-20,000Hz
  • 20-20,000MHz
  • 20-2,000Hz
  • 20-2,000MHz

Questão 37

Questão
A micrometer is
Responda
  • 1 billionth of a meter
  • 1 thousandth of a meter
  • 1 millionth of a meter

Questão 38

Questão
The primary responsibility of the ___________ is safeguarding personnel, property and equipment from foreign electrical voltages and current
Responda
  • ITS Installer
  • Qualified Electrican

Questão 39

Questão
When personnel are relocated into temporary office space during retrofits
Responda
  • Temporary Space
  • Swing-space Phasing
  • Project Relocation

Questão 40

Questão
When are GFCIs required (select all correct)
Responda
  • with temporary electrical wiring
  • extension cords
  • in Data Centers

Questão 41

Questão
What is the movement of information in the form of electrical or optical signals from one point to another through a transport medium
Responda
  • Transmission
  • Signal Transfer
  • Attenuation
  • Propagation Delay

Questão 42

Questão
More deaths result from flames rather than smoke and toxic gases
Responda
  • True
  • False

Questão 43

Questão
What does OSHA have the authority to do (select all correct)
Responda
  • Develop, publish & enforce safety regulations
  • Shut down unsafe job site
  • Levy fines against individuals and companies
  • confiscate tools and equipment

Questão 44

Questão
The [blank_start]T Rating[blank_end] is the amount of time in hours the firestopping system can keep the temperature from rising above a specified point
Responda
  • T Rating
  • F Rating
  • L Rating

Questão 45

Questão
List 3 distinct, yet interconnected grounding systems (Select all correct)
Responda
  • AC Grounding Electrode System
  • Equipment Grounding System
  • Telecommunications Bonding Infrastructure
  • Supplemental Ground System

Questão 46

Questão
1 cycle in 1 second = ?
Responda
  • 1Hz
  • 100Hz
  • 10Hz
  • 1MHz

Questão 47

Questão
Which fiber is most common for backbone & horizontal runs within buildings and campus environments
Responda
  • Multimode
  • Singlemode
  • OM2
  • OM1

Questão 48

Questão
If expanding a TR, what must be done prior to removing the wall with equipment/hardware
Responda
  • Float the backboard
  • Hang the backboard
  • temporarily support the backboard

Questão 49

Questão
What type of ladder is not allowed to be used by an ITS installer
Responda
  • Aluminum
  • Wood
  • Extension
  • Fiberglass

Questão 50

Questão
What is the diameter of the cladding in multimode fiber cable
Responda
  • 50um
  • 125um
  • 62.5um
  • 250um

Questão 51

Questão
What is the distance limitation of multimode fiber
Responda
  • 2,000 meters
  • 3,000 meters
  • 1,000 meters
  • 10,000 meters

Questão 52

Questão
If an extension ladder is extended 24ft up, then how far should the base be out
Responda
  • 5ft
  • 4ft
  • 6ft
  • 8ft

Questão 53

Questão
Which transmission method transmits a signal in one direction only
Responda
  • Simplex
  • Full Duplex
  • Half Duplex

Questão 54

Questão
It is acceptable to use a TE in place of a TR
Responda
  • True
  • False

Questão 55

Questão
Which fiber supports wavelengths of 1310nm, 1490nm, 1550nm & 1625nm
Responda
  • Singlemode
  • Multimode

Questão 56

Questão
What is the minimum size of stub up conduits
Responda
  • 3/4"
  • 1/2"
  • 1"
  • 7/8"

Questão 57

Questão
How many rungs need to overlap when extending an extension ladder
Responda
  • 3
  • 2
  • 4
  • 5

Questão 58

Questão
What is the measure of analog signal strength
Responda
  • Bit
  • Bel
  • Volt
  • Watt

Questão 59

Questão
How far should an extension ladder extend above a work area
Responda
  • 3ft
  • 2ft
  • 4ft
  • 3m

Questão 60

Questão
This current will trigger ventricular fibrillation, which causes the heart to repeatedly relax and violently clamp shut (usually results in death)
Responda
  • 100mA
  • 200mA
  • 50mA
  • 50-100mA

Questão 61

Questão
One of the primary functions of the ____________ is to house the floor-serving cross-connections and interconnection
Responda
  • TR
  • ER
  • TE
  • EF

Questão 62

Questão
What is the distance limitation of singlemode fiber
Responda
  • 2,000 meters
  • 3,000 meters
  • 5,000 meters
  • 10,000 meters

Questão 63

Questão
___________ are not dependent on ITS installers
Responda
  • Customers
  • Employees
  • IT Professionals

Questão 64

Questão
How far must an ITS installer stay away from exposed energized circuits operating at 300-50,000 volts
Responda
  • 10ft
  • 12ft
  • 6ft
  • 8ft

Questão 65

Questão
Which fiber supports wavelengths of 850nm and 1300nm
Responda
  • Multimode
  • Singlemode

Questão 66

Questão
What the 3 distinct ways in which others perceive and employee (select all correct)
Responda
  • Body language
  • Tone of voice
  • Choice of words
  • Facial expressions

Questão 67

Questão
Chin straps are not allowed to be used with hardhats
Responda
  • True
  • False

Questão 68

Questão
What is the most common fire protection principle
Responda
  • Compartmentation
  • Suppression
  • Detection

Questão 69

Questão
Which fiber generally uses LED and VCSEL light sources
Responda
  • Multimode
  • Singlemode

Questão 70

Questão
What is the diameter of the acrylate coating in fiber cable
Responda
  • 50um
  • 125um
  • 250um
  • 100um

Questão 71

Questão
What is the typical lifespan of a hard hat
Responda
  • 5 years
  • 1 year
  • 3 years
  • 2 years

Questão 72

Questão
What is the most common tight buffer diameter
Responda
  • 900um
  • 250um
  • 3mm

Questão 73

Questão
Tone of voice is ____% of communication perceptions
Responda
  • 7%
  • 38%
  • 55%

Questão 74

Questão
If using a MUTOA, what is the maximum length of a 24AWG, stranded work area cable if the horizontal cable is 70 meters
Responda
  • 22 meters
  • 25 meters
  • 5 meters
  • 27 meters

Questão 75

Questão
Which method transmits in either direction but in only 1 direction at a time
Responda
  • Simplex
  • Half duplex
  • Full duplex

Questão 76

Questão
Stickers are allowed to be placed on hard hats
Responda
  • True
  • False

Questão 77

Questão
Tight buffer fiber is only installed in multimode fiber
Responda
  • True
  • False

Questão 78

Questão
What is the maximum amount of moisture allowed in plywood backboards
Responda
  • 15%
  • 20%
  • 5%
  • 10%

Questão 79

Questão
Which type of fiber requires a furcation kit
Responda
  • Tight Buffer
  • Multimode
  • Loose Tube
  • Singlemode

Questão 80

Questão
Select all approved eye protection
Responda
  • Glasses
  • Goggles
  • Full Face Shield

Questão 81

Questão
This type of fiber consists of up to 24 strands bundled together in a single line that is color coded
Responda
  • Ribbon
  • Air blown
  • Tight buffer
  • Loose tube

Questão 82

Questão
These are to be installed on exposed circuits as near as possible to the point at which the exposed cables enter the bulding
Responda
  • Primary Protection
  • Secondary Protection
  • Data & Fire Alarm Protector

Questão 83

Questão
This firestop product is intumescent, metal back and used to seal large openings
Responda
  • sheets
  • putty
  • blankets
  • pads

Questão 84

Questão
This firestop material is a putty that is used to seal the back of outlet boxes
Responda
  • pads
  • sheets
  • wrap strips

Questão 85

Questão
This firestop material is intumescent used for plastic piping, insulated metal piping or cable bundles
Responda
  • wrap strips
  • putty
  • caulk

Questão 86

Questão
This firestop material is intumescent but mostly endothermic, soft and pliable. It comes in bars and sticks
Responda
  • putty
  • pads
  • foams

Questão 87

Questão
This firestop material can be intumescent, endothermic or ablative. It comes in tubes and can up to 2 weeks to to cure. It is used for permanent installations
Responda
  • caulk
  • putty
  • pillows

Questão 88

Questão
This firestop material is regarded as temporary and requires wire restraints to pass the hose test
Responda
  • pillows
  • putty
  • caulk

Questão 89

Questão
This firestop material incorporates putty and is referred to as a pipe choke system
Responda
  • collars
  • putty
  • foam

Questão 90

Questão
This firestop material may be intumescent, endothermic or ablative. It is a 2 part mixing with fast curing time
Responda
  • foam
  • sheets
  • blankets

Questão 91

Questão
Select the 3 types of centralized fiber cabling implementations
Responda
  • Pull-through
  • Interconnection
  • Splice in the TR
  • Home Run

Questão 92

Questão
This is a property of an electrical force field built around a conductor that opposes and changes in current flow in a circuit
Responda
  • Inductance
  • Capacitance
  • Resistance
  • Impedance

Questão 93

Questão
Words are _____% of communication perceptions
Responda
  • 7%
  • 38%
  • 55%

Questão 94

Questão
Air-blown systems are designed & manufactured for an expected operating lifetime of how many years
Responda
  • 20
  • 30
  • 10
  • 15

Questão 95

Questão
What refers to the amount of information that can be transported over the media
Responda
  • Megahertz
  • Megabit
  • Decibel

Questão 96

Questão
This current causes the heart the clamp shut and severe burns occur on the skin and hair
Responda
  • 100mA
  • 200mA
  • 50-100mA
  • 50mA

Questão 97

Questão
An ITS installer is allowed to leave a personnel lift with a safety belt with a non-locking keeper
Responda
  • True
  • False

Questão 98

Questão
Increasing the length of fiber or wavelength of the light source will decrease bandwidth
Responda
  • True
  • False

Questão 99

Questão
Open top cable supports are typically intended to support how many cables
Responda
  • 50
  • 20
  • 30
  • 40

Questão 100

Questão
Cross-Connect Field Colors: Miscellaneous
Responda
  • Yellow
  • Blue
  • Purple
  • Green

Questão 101

Questão
What is the basic unit of inductance
Responda
  • Henry
  • Watt
  • Farad
  • Ohm

Questão 102

Questão
There is no mandatory standard to identify the color coding for fiber
Responda
  • True
  • False

Questão 103

Questão
This firestop material is used in situations where a cable tray containing critical power or data cables must remain in operation during a fire
Responda
  • Blankets
  • Sprays
  • Pillows
  • Putties

Questão 104

Questão
According to standards, horizontal fiber cable is normally ____________
Responda
  • Multimode
  • Singlemode
  • Tight buffer
  • Loose tube

Questão 105

Questão
What is the minimum bend radius of a fiber cable, with up to 4 strands, during installation
Responda
  • 1 inch
  • 2 inch
  • 4 x diameter of cable
  • 10 x diameter of cable

Questão 106

Questão
What is the minimum bend radius of a fiber cable, with up to 4 strands, at rest
Responda
  • 1 inch
  • 2 inch
  • 4 x diameter of cable
  • 10 x diameter of cable

Questão 107

Questão
What is the minimum bend radius of interbuilding fiber during installation
Responda
  • 10 x diameter of cable
  • 15 x diameter of cable
  • 20 x diameter of cable

Questão 108

Questão
What is the minimum bend radius of a fiber backbone cable at rest
Responda
  • 15 x diameter
  • 10 x diameter
  • 20 x diameter

Questão 109

Questão
What is the minimum bend radius of an intrabuilding fiber during installation
Responda
  • 10 x diameter
  • 15 x diameter
  • 20 x diameter

Questão 110

Questão
Which test instruments can be used to test fiber while it is still on the reel (select all correct)
Responda
  • OLTS
  • VFL
  • OTDR

Questão 111

Questão
Which fiber test instrument does not require access to both ends of the fiber while testing on the reel
Responda
  • VFL
  • OTDR
  • OLTS

Questão 112

Questão
Bonding conductors are designed to intentionally carry AC ground fault current or lightning strike current
Responda
  • True
  • False

Questão 113

Questão
What is the maximum length for horizontal fiber runs
Responda
  • 90 meters
  • 100 meters
  • 2,000 meters
  • 3,000 meters

Questão 114

Questão
Lift belts give the user added strength
Responda
  • True
  • False

Questão 115

Questão
This administration addresses infrastructure with multiple buildings at a single site
Responda
  • Class 1
  • Class 2
  • Class 3
  • Class 4

Questão 116

Questão
It is recommended to order innerduct without a pull sting preisntalled
Responda
  • True
  • False

Questão 117

Questão
Select all approved types of hearing protection
Responda
  • Aural
  • Foam Earplugs (disposable)
  • Rubber Earplugs (reusable)

Questão 118

Questão
This type of protector has a reaction time of 15ns or more
Responda
  • Gas tubes
  • Solid state
  • Carbon blocks

Questão 119

Questão
This is the property of conductors that allows storage of electric charges when potential differences exist between conductors
Responda
  • Capacitance
  • Inductance
  • Resistance
  • Impedance

Questão 120

Questão
Body language is ______% of communication perceptions
Responda
  • 7%
  • 38%
  • 55%

Questão 121

Questão
This firestop material will develop a hard char that resists erosion from fire and flames
Responda
  • Ablative
  • Intumescent
  • Endothermic

Questão 122

Questão
This administration addresses infrastructure with one or more telecommunication spaces in a single building
Responda
  • Class 1
  • Class 2
  • Class 3
  • Class 4

Questão 123

Questão
Fall protection is required at which height
Responda
  • 4ft
  • 5ft
  • 3ft
  • 6ft

Questão 124

Questão
Which is the required physical topology for SCS
Responda
  • Star
  • Ring
  • Bus

Questão 125

Questão
(2) 1.5 inch and (1) 1 inch innerducts are recommended to be placed inside what size conduit
Responda
  • 3 inch
  • 2 inch
  • 4 inch
  • 6 inch

Questão 126

Questão
Cross-Connect Field Colors: Horizontal Cable
Responda
  • Blue
  • Green
  • Yellow
  • Orange

Questão 127

Questão
A PFAS (personal fall arrest system) includes a full body harness, a shock absorbing lanyard & secure anchorage point capable of supporting ______ pounds
Responda
  • 2,500lbs
  • 5,000lbs
  • 3,000lbs
  • 1,000lbs

Questão 128

Questão
The service loop is used to relieve all tension of the fiber cable
Responda
  • True
  • False

Questão 129

Questão
What is allowed to be used to mend torn clothing
Responda
  • duct tape
  • electrical tape
  • tie wraps

Questão 130

Questão
How much horizontal fiber should be left at the work area
Responda
  • 1 meter
  • 2 feet
  • 18 inches
  • 12 inches

Questão 131

Questão
How much fiber slack should be left in a cabinet within a TR
Responda
  • 10 meters
  • 3 feet
  • 1 meter
  • 3 meters

Questão 132

Questão
Capacitance is measured in ________
Responda
  • Farads
  • Henry
  • Ohm
  • Watts

Questão 133

Questão
Plywood backboards should be mounted at _____ AFF
Responda
  • 8 inches
  • 12 inches
  • 6 inches
  • 18 inches

Questão 134

Questão
This current will produce a tingling of the skin
Responda
  • 2-3mA
  • 10mA
  • 50-100mA
  • 50mA

Questão 135

Questão
When blowing fiber, what carries the cable down the tube
Responda
  • fluid drag
  • air pressure
  • vacuum

Questão 136

Questão
What describes the amount of information a fiber is capable of transporting
Responda
  • Modal Bandwidth
  • Dispersion
  • Megahertz

Questão 137

Questão
Which method transmits a signal in both directions at the same time
Responda
  • Full duplex
  • Half duplex
  • Simplex

Questão 138

Questão
What type of entrance pathway preserves the aesthetic appearance of the building and is economical over the life cycle
Responda
  • Underground
  • Buried
  • Aerial
  • Wireless

Questão 139

Questão
Air blown fiber shall not be used for outside plant
Responda
  • True
  • False

Questão 140

Questão
This administration addresses infrastructure with multiple sites or campuses
Responda
  • Class 1
  • Class 2
  • Class 3
  • Class 4

Questão 141

Questão
This current will produce a painful shock and muscles can't release the contact
Responda
  • 10mA
  • 2-3mA
  • 50mA
  • 100mA

Questão 142

Questão
Which of the following are basic tests to verify each tube prior to blowing fiber (select all correct)
Responda
  • airflow testing
  • pressure testing
  • continuity testing

Questão 143

Questão
This is required on every 3rd floor and top floor of a multi-story building that has multiple ER/TRs on the same floor
Responda
  • GE
  • TGB
  • TEBC
  • GEC

Questão 144

Questão
This serves as the dedicated extension of the building AC grounding electrode system of the telecommunications infrastructure
Responda
  • TMGB
  • TGB
  • GEC
  • ACEG

Questão 145

Questão
What is the typical air pressure when blowing fiber
Responda
  • 150-220psi
  • 150-200psi
  • 100-150psi
  • 200-225psi

Questão 146

Questão
Which splicing method has a low consumable cost
Responda
  • fusion
  • mechanical

Questão 147

Questão
What is the total opposition to current flow
Responda
  • Impedance
  • Capacitance
  • Resistance
  • Inductance

Questão 148

Questão
What is the basic unit of digital information
Responda
  • bit
  • megabit
  • bel

Questão 149

Questão
What type of entrance pathway preserves the aesthetic appearance of the building but is inflexible for future service changes
Responda
  • tunnel
  • underground
  • buried
  • aerial

Questão 150

Questão
What diameter of toggle bolts should be used when mounting a backboard
Responda
  • 1/4"
  • 3/8"
  • 1/2"
  • 5/8"

Questão 151

Questão
Open top cable supports should be installed to maintain a minimum of _____ inches above ceilings
Responda
  • 2
  • 3
  • 4
  • 5

Questão 152

Questão
Reflectance may be a concern with which type of splicing method
Responda
  • fusion
  • mechanical

Questão 153

Questão
This administration addresses the needs of premises served by a single ER (the only telecommunication space)
Responda
  • Class 1
  • Class 2
  • Class 3
  • Class 4

Questão 154

Questão
How much fiber typically should be in a splice tray
Responda
  • 3 feet
  • 1-2 meters
  • 1-3 meters
  • 1 meter

Questão 155

Questão
Identify this fusion
Responda
  • fuse time too long
  • autofeed too low
  • autofeed too high
  • fuse current too hot

Questão 156

Questão
Identify this fusion
Responda
  • fuse current too hot
  • autofeed too high
  • good splice
  • autofeed too low

Questão 157

Questão
Identify this fusion
Responda
  • autofeed too high
  • good splice
  • fuse time too long
  • fuse current too hot

Questão 158

Questão
Identify this fusion
Responda
  • autofeed too low
  • fuse time too long
  • autofeed too high
  • good splice

Questão 159

Questão
Identify this fusion
Responda
  • good splice
  • autofeed too high
  • autofeed too low
  • fuse time too long

Questão 160

Questão
What is the maximum splice loss regardless of the methodology
Responda
  • .3dB
  • .1dB
  • .75dB
  • 1.5dB

Questão 161

Questão
What is the curing cycle for heat cured connectors
Responda
  • 20 minutes
  • 10 minutes
  • 5 minutes
  • 15 minutes

Questão 162

Questão
24AWG stranded cable ha _______ more attenuation
Responda
  • 30%
  • 20%
  • 50%
  • 40%

Questão 163

Questão
Adhesive hardening when terminating anaerobic connectors takes how long
Responda
  • 10-20 seconds
  • 15 seconds
  • 1 minute
  • 5-10 seconds

Questão 164

Questão
True power is measured in ______
Responda
  • Watts
  • Volts
  • Amps
  • Decibels

Questão 165

Questão
What is the size of the primary acrylate
Responda
  • 125um
  • 250um
  • 245um
  • 5um

Questão 166

Questão
Measure of signal loss resulting from the insertion of component, link or channel between transmitter and receiver (often referred to as attenuation)
Responda
  • Crosstalk
  • Return loss
  • Delay skew
  • Insertion loss

Questão 167

Questão
How far should the toggle bolts be spaced when mounting a backboard
Responda
  • 1ft
  • 2ft
  • 18 inches
  • 3ft

Questão 168

Questão
All electrical activity produces electric & magnetic fields
Responda
  • True
  • False

Questão 169

Questão
What quantifies the bandwidth of a cabling system in a frequency range
Responda
  • megahertz
  • megabit
  • decibel

Questão 170

Questão
What is the #1 reason for troubleshooting in optical networks
Responda
  • contamination
  • core alignment
  • poor terminations

Questão 171

Questão
What device converts a digital signal into 2 distinctive analog frequencies
Responda
  • modem
  • codec

Questão 172

Questão
What is the power range for microscopes to view the end face of an optical fiber connector
Responda
  • 100x-800x
  • 100x-200x
  • 200x-400x

Questão 173

Questão
What is the ratio expressed in decibels of the power of the outgoing signal to the power of the reflected signal
Responda
  • Return loss
  • Insertion loss
  • Crosstalk
  • Delay skew

Questão 174

Questão
This is the grounding connection point for telecommunications systems and equipment in the area served by an ER or TR
Responda
  • GEC
  • TGB
  • TMGB
  • BCT

Questão 175

Questão
The inside bend radius shall be _______ times the ID for conduits 2 inches or less
Responda
  • 6
  • 10
  • 4
  • 8

Questão 176

Questão
This tool is used to inspect the radius of curvature, offset of polish & optical fiber height
Responda
  • VFL
  • Interferometer
  • OLTS
  • OTDR

Questão 177

Questão
This is the copper conductor that interconnects the TMGB to TGB
Responda
  • TBB
  • GEC
  • GE
  • ACEG

Questão 178

Questão
This is the unwanted transfer of a signal's EM energy from one or more circuits to other circuits
Responda
  • Crosstalk
  • Delay Skew
  • Return Loss
  • Insertion Loss

Questão 179

Questão
This tool can determine end-to-end attenuation & distance to a point of high attenuation during pre-installation testing
Responda
  • OTDR
  • OLTS
  • VFL
  • Interferometer

Questão 180

Questão
Test equipment uses what to determine the length of a cable
Responda
  • Crosstalk
  • NVP (nominal velocity of propagation)
  • Insertion Loss
  • Propagation Delay

Questão 181

Questão
How far does the conductor need to extend beyond the connector if using a set-screw, pass-through style lug
Responda
  • 1/8"
  • 1/4"
  • 1/2"
  • 3/8"

Questão 182

Questão
Cross-Connect Field Colors: Common Equipment
Responda
  • Purple
  • Green
  • Yellow
  • Red

Questão 183

Questão
What device converts analog data, from a video device, to a digital signal
Responda
  • modem
  • codec

Questão 184

Questão
The inside bend radius shall be ___ times the ID for conduits greater than 2 inches
Responda
  • 10
  • 6
  • 4
  • 8

Questão 185

Questão
Acceptance testing of optical fiber is most often performed with which tester
Responda
  • VFL
  • OLTS
  • OTDR
  • Interferometer

Questão 186

Questão
What are unsafe oxygen levels
Responda
  • below 19.5% and above 23.5%
  • below 20.5% and above 25.5%
  • below 15.5% and above 20.5%

Questão 187

Questão
Time for a signal to be transmitted from one end to the other
Responda
  • Crosstalk
  • Delay Skew
  • Propagation Delay
  • Insertion Loss

Questão 188

Questão
Which entrance pathway has the lowest cabling installation cost
Responda
  • Aerial
  • Underground
  • Buried
  • Wireless

Questão 189

Questão
For singlemode fiber, out-of-band testing may be accomplished at the _____ nm window
Responda
  • 1625
  • 1550
  • 1310
  • 1490

Questão 190

Questão
Difference in propagation delay between slowest & fastest pairs within same cable sheath
Responda
  • delay skew
  • crosstalk
  • insertion loss
  • return loss

Questão 191

Questão
What is the worst acceptable loss for a mated pair
Responda
  • .75dB
  • .5dB
  • .3dB
  • 1.0dB

Questão 192

Questão
95% of mated pairs shall be better than ____dB loss
Responda
  • .75dB
  • .5dB
  • .3dB

Questão 193

Questão
This type of protector has a reaction time of 10-15 ns
Responda
  • Gas
  • Carbon
  • Solid state
  • Fire & data

Questão 194

Questão
There is currently no maximum bandwidth for singlemode optical fiber
Responda
  • True
  • False

Questão 195

Questão
This firestop material expands when exposed to fire or heat
Responda
  • intumescent
  • ablative
  • endothermic

Questão 196

Questão
This backbone cable distributes telecommunications services between buildings
Responda
  • interbuilding
  • intrabuilding

Questão 197

Questão
Cross-Connect Field Colors: Demarcation Point
Responda
  • Orange
  • Brown
  • White
  • Red

Questão 198

Questão
What is the maximum amount of exposure between the insulation and the bonding connector
Responda
  • 1/8"
  • 1/2"
  • 1/4"
  • 3/8"

Questão 199

Questão
What can be used to neutralize small acid spills
Responda
  • sodium bicarbonate
  • water
  • milk

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