4355881
Descrição
Quiz por eric rinehart, atualizado more than 1 year ago
|
Criado por eric rinehart
mais de 8 anos atrás
|
|
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
Responda
-
fuse time too long
-
autofeed too low
-
autofeed too high
-
fuse current too hot
Questão 156
Responda
-
fuse current too hot
-
autofeed too high
-
good splice
-
autofeed too low
Questão 157
Responda
-
autofeed too high
-
good splice
-
fuse time too long
-
fuse current too hot
Questão 158
Responda
-
autofeed too low
-
fuse time too long
-
autofeed too high
-
good splice
Questão 159
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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