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?
Grandfathered System
Abandoned cable System
Riser Cable System
Non-Plenum Cable System
What are the 2 key components of an optical fiber?
Core & Cladding
Core & Acrylate
Cladding & Acrylate
Core & Buffer
The ❌ is the amount of time in hours the firestopping system can prevent flames from passing through the system.
This is the establishment of a reference for the electrical power source (AC or DC), electrical equipment or both
Grounding
Bonding
Electrode System
TMGB
The ❌ indicates a firestops ability to provide an effective smoke seal.
This provides a quick graphical representation of how a circuit is laid out
Circuit Layout Record
Cutover Plan
As-built
A Consolidation Point (CP) should serve up to 24 work areas?
How many walls of a TR should have fire-retardant plywood?
2
1
3
4
Cross-Connect Field Colors: Second-Level Backbone
Gray
Orange
White
Brown
All ferrous metal pathways must be bonded at both ends regardless of length when containing a bonding conductor?
This amount of current will cause breathing to become difficult
2-3mA
10mA
50-100mA
100mA
Who's responsibility is it to provide safety training for its employees?
Employee's Organization
Employee
OHSA
Customer
Widening or spreading out of modes in a light pulse as it progresses along the optical fiber
Dispersion
Core
Photons
Modal Bandwidth
This type of cutover is one continuous process until competed
Flash Cutover
Phased Cutover
Complete Shutdown
Continuous Cutover
This type of backbone cabling distributes telecommunications services between telecommunications spaces within a single building
Intrabuilding
Interbuilding
Fiber Optic
What is the width of the TMGB
3.94 inches
3.95 inches
3.93 inches
4 inches
The ITS installer can substitute products that are not part of the qualified firestop assembly
This firestop is used primarily for large air handling & exhaust vents
Blankets
Spray
Pillows
Foam
This type of cutover procedure has portions of the old system transferred to the new system in groups
Staged Cutover
What is the information carrying capacity of a system
Bandwidth
Megabit
Megahertz
Decibel
What is the maximum length of FMT
20 feet
10 feet
15 feet
25 feet
26 AWG has ______ more attenuation
50%
20%
30%
40%
This is the copper conductor that interconnects the TMGB to TGB
TBB
GE
TEBC
ACEG
Cross-Connect Field Colors: Network Connections
Green
Blue
Purple
Yellow
Who should the ITS installer seek guidance from for minimum safety requirements for safe work & employee health
AHJ
Employer
Safety Director
What is the recommended maximum value for the bonding resistance between any 2 points where bonding exists
0.1 Ohms
1 Ohm
10 Ohms
0.01 Ohms
The refractive index of the fiber core is higher than that of the cladding
This type of backbone consists of cabling that is installed between a MC and IC/HC
First Level
Second Level
This is a result from different optical fiber lengths in multimode fiber
Overfill Launch
Modal Dispersion
This type of protector is used to protect against sneak current
Primary
Secondary
Data & Fire Alarm
Carbon
Abandoned cable can become fuel and is a fire hazard
Cross-Connect Field Colors: First Level Backbone
Why is copper a preferred conductor (select all correct)
Economical
Offers less resitance
Readily available
Easy to produce
This type of protector has a reaction time of 3-5ns
Gas
Solid State
The results of a __________ will be used to develop the project schedule and the installation job plan
Site survey
Scope of work
Specification
Humans can hear in what frequency range
20-20,000Hz
20-20,000MHz
20-2,000Hz
20-2,000MHz
A micrometer is
1 billionth of a meter
1 thousandth of a meter
1 millionth of a meter
The primary responsibility of the ___________ is safeguarding personnel, property and equipment from foreign electrical voltages and current
ITS Installer
Qualified Electrican
When personnel are relocated into temporary office space during retrofits
Temporary Space
Swing-space Phasing
Project Relocation
When are GFCIs required (select all correct)
with temporary electrical wiring
extension cords
in Data Centers
What is the movement of information in the form of electrical or optical signals from one point to another through a transport medium
Transmission
Signal Transfer
Attenuation
Propagation Delay
More deaths result from flames rather than smoke and toxic gases
What does OSHA have the authority to do (select all correct)
Develop, publish & enforce safety regulations
Shut down unsafe job site
Levy fines against individuals and companies
confiscate tools and equipment
The ❌ is the amount of time in hours the firestopping system can keep the temperature from rising above a specified point
List 3 distinct, yet interconnected grounding systems (Select all correct)
AC Grounding Electrode System
Equipment Grounding System
Telecommunications Bonding Infrastructure
Supplemental Ground System
1 cycle in 1 second = ?
1Hz
100Hz
10Hz
1MHz
Which fiber is most common for backbone & horizontal runs within buildings and campus environments
Multimode
Singlemode
OM2
OM1
If expanding a TR, what must be done prior to removing the wall with equipment/hardware
Float the backboard
Hang the backboard
temporarily support the backboard
What type of ladder is not allowed to be used by an ITS installer
Aluminum
Wood
Extension
Fiberglass
What is the diameter of the cladding in multimode fiber cable
50um
125um
62.5um
250um
What is the distance limitation of multimode fiber
2,000 meters
3,000 meters
1,000 meters
10,000 meters
If an extension ladder is extended 24ft up, then how far should the base be out
5ft
4ft
6ft
8ft
Which transmission method transmits a signal in one direction only
Simplex
Full Duplex
Half Duplex
It is acceptable to use a TE in place of a TR
Which fiber supports wavelengths of 1310nm, 1490nm, 1550nm & 1625nm
What is the minimum size of stub up conduits
3/4"
1/2"
1"
7/8"
How many rungs need to overlap when extending an extension ladder
5
What is the measure of analog signal strength
Bit
Bel
Volt
Watt
How far should an extension ladder extend above a work area
3ft
2ft
3m
This current will trigger ventricular fibrillation, which causes the heart to repeatedly relax and violently clamp shut (usually results in death)
200mA
50mA
One of the primary functions of the ____________ is to house the floor-serving cross-connections and interconnection
TR
ER
TE
EF
What is the distance limitation of singlemode fiber
5,000 meters
___________ are not dependent on ITS installers
Customers
Employees
IT Professionals
How far must an ITS installer stay away from exposed energized circuits operating at 300-50,000 volts
10ft
12ft
Which fiber supports wavelengths of 850nm and 1300nm
What the 3 distinct ways in which others perceive and employee (select all correct)
Body language
Tone of voice
Choice of words
Facial expressions
Chin straps are not allowed to be used with hardhats
What is the most common fire protection principle
Compartmentation
Suppression
Detection
Which fiber generally uses LED and VCSEL light sources
What is the diameter of the acrylate coating in fiber cable
100um
What is the typical lifespan of a hard hat
5 years
1 year
3 years
2 years
What is the most common tight buffer diameter
900um
3mm
Tone of voice is ____% of communication perceptions
7%
38%
55%
If using a MUTOA, what is the maximum length of a 24AWG, stranded work area cable if the horizontal cable is 70 meters
22 meters
25 meters
5 meters
27 meters
Which method transmits in either direction but in only 1 direction at a time
Half duplex
Full duplex
Stickers are allowed to be placed on hard hats
Tight buffer fiber is only installed in multimode fiber
What is the maximum amount of moisture allowed in plywood backboards
15%
5%
10%
Which type of fiber requires a furcation kit
Tight Buffer
Loose Tube
Select all approved eye protection
Glasses
Goggles
Full Face Shield
This type of fiber consists of up to 24 strands bundled together in a single line that is color coded
Ribbon
Air blown
Tight buffer
Loose tube
These are to be installed on exposed circuits as near as possible to the point at which the exposed cables enter the bulding
Primary Protection
Secondary Protection
Data & Fire Alarm Protector
This firestop product is intumescent, metal back and used to seal large openings
sheets
putty
blankets
pads
This firestop material is a putty that is used to seal the back of outlet boxes
wrap strips
This firestop material is intumescent used for plastic piping, insulated metal piping or cable bundles
caulk
This firestop material is intumescent but mostly endothermic, soft and pliable. It comes in bars and sticks
foams
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
pillows
This firestop material is regarded as temporary and requires wire restraints to pass the hose test
This firestop material incorporates putty and is referred to as a pipe choke system
collars
foam
This firestop material may be intumescent, endothermic or ablative. It is a 2 part mixing with fast curing time
Select the 3 types of centralized fiber cabling implementations
Pull-through
Interconnection
Splice in the TR
Home Run
This is a property of an electrical force field built around a conductor that opposes and changes in current flow in a circuit
Inductance
Capacitance
Resistance
Impedance
Words are _____% of communication perceptions
Air-blown systems are designed & manufactured for an expected operating lifetime of how many years
20
30
10
15
What refers to the amount of information that can be transported over the media
This current causes the heart the clamp shut and severe burns occur on the skin and hair
An ITS installer is allowed to leave a personnel lift with a safety belt with a non-locking keeper
Increasing the length of fiber or wavelength of the light source will decrease bandwidth
Open top cable supports are typically intended to support how many cables
50
40
Cross-Connect Field Colors: Miscellaneous
What is the basic unit of inductance
Henry
Farad
Ohm
There is no mandatory standard to identify the color coding for fiber
This firestop material is used in situations where a cable tray containing critical power or data cables must remain in operation during a fire
Sprays
Putties
According to standards, horizontal fiber cable is normally ____________
What is the minimum bend radius of a fiber cable, with up to 4 strands, during installation
1 inch
2 inch
4 x diameter of cable
10 x diameter of cable
What is the minimum bend radius of a fiber cable, with up to 4 strands, at rest
What is the minimum bend radius of interbuilding fiber during installation
15 x diameter of cable
20 x diameter of cable
What is the minimum bend radius of a fiber backbone cable at rest
15 x diameter
10 x diameter
20 x diameter
What is the minimum bend radius of an intrabuilding fiber during installation
Which test instruments can be used to test fiber while it is still on the reel (select all correct)
OLTS
VFL
OTDR
Which fiber test instrument does not require access to both ends of the fiber while testing on the reel
Bonding conductors are designed to intentionally carry AC ground fault current or lightning strike current
What is the maximum length for horizontal fiber runs
90 meters
100 meters
Lift belts give the user added strength
This administration addresses infrastructure with multiple buildings at a single site
Class 1
Class 2
Class 3
Class 4
It is recommended to order innerduct without a pull sting preisntalled
Select all approved types of hearing protection
Aural
Foam Earplugs (disposable)
Rubber Earplugs (reusable)
This type of protector has a reaction time of 15ns or more
Gas tubes
Solid state
Carbon blocks
This is the property of conductors that allows storage of electric charges when potential differences exist between conductors
Body language is ______% of communication perceptions
This firestop material will develop a hard char that resists erosion from fire and flames
Ablative
Intumescent
Endothermic
This administration addresses infrastructure with one or more telecommunication spaces in a single building
Fall protection is required at which height
Which is the required physical topology for SCS
Star
Ring
Bus
(2) 1.5 inch and (1) 1 inch innerducts are recommended to be placed inside what size conduit
3 inch
4 inch
6 inch
Cross-Connect Field Colors: Horizontal Cable
A PFAS (personal fall arrest system) includes a full body harness, a shock absorbing lanyard & secure anchorage point capable of supporting ______ pounds
2,500lbs
5,000lbs
3,000lbs
1,000lbs
The service loop is used to relieve all tension of the fiber cable
What is allowed to be used to mend torn clothing
duct tape
electrical tape
tie wraps
How much horizontal fiber should be left at the work area
1 meter
2 feet
18 inches
12 inches
How much fiber slack should be left in a cabinet within a TR
10 meters
3 feet
3 meters
Capacitance is measured in ________
Farads
Watts
Plywood backboards should be mounted at _____ AFF
8 inches
6 inches
This current will produce a tingling of the skin
When blowing fiber, what carries the cable down the tube
fluid drag
air pressure
vacuum
What describes the amount of information a fiber is capable of transporting
Which method transmits a signal in both directions at the same time
What type of entrance pathway preserves the aesthetic appearance of the building and is economical over the life cycle
Underground
Buried
Aerial
Wireless
Air blown fiber shall not be used for outside plant
This administration addresses infrastructure with multiple sites or campuses
This current will produce a painful shock and muscles can't release the contact
Which of the following are basic tests to verify each tube prior to blowing fiber (select all correct)
airflow testing
pressure testing
continuity testing
This is required on every 3rd floor and top floor of a multi-story building that has multiple ER/TRs on the same floor
TGB
GEC
This serves as the dedicated extension of the building AC grounding electrode system of the telecommunications infrastructure
What is the typical air pressure when blowing fiber
150-220psi
150-200psi
100-150psi
200-225psi
Which splicing method has a low consumable cost
fusion
mechanical
What is the total opposition to current flow
What is the basic unit of digital information
bit
megabit
bel
What type of entrance pathway preserves the aesthetic appearance of the building but is inflexible for future service changes
tunnel
underground
buried
aerial
What diameter of toggle bolts should be used when mounting a backboard
1/4"
3/8"
5/8"
Open top cable supports should be installed to maintain a minimum of _____ inches above ceilings
Reflectance may be a concern with which type of splicing method
This administration addresses the needs of premises served by a single ER (the only telecommunication space)
How much fiber typically should be in a splice tray
1-2 meters
1-3 meters
Identify this fusion
fuse time too long
autofeed too low
autofeed too high
fuse current too hot
good splice
What is the maximum splice loss regardless of the methodology
.3dB
.1dB
.75dB
1.5dB
What is the curing cycle for heat cured connectors
20 minutes
10 minutes
5 minutes
15 minutes
24AWG stranded cable ha _______ more attenuation
Adhesive hardening when terminating anaerobic connectors takes how long
10-20 seconds
15 seconds
1 minute
5-10 seconds
True power is measured in ______
Volts
Amps
Decibels
What is the size of the primary acrylate
245um
5um
Measure of signal loss resulting from the insertion of component, link or channel between transmitter and receiver (often referred to as attenuation)
Crosstalk
Return loss
Delay skew
Insertion loss
How far should the toggle bolts be spaced when mounting a backboard
1ft
All electrical activity produces electric & magnetic fields
What quantifies the bandwidth of a cabling system in a frequency range
megahertz
decibel
What is the #1 reason for troubleshooting in optical networks
contamination
core alignment
poor terminations
What device converts a digital signal into 2 distinctive analog frequencies
modem
codec
What is the power range for microscopes to view the end face of an optical fiber connector
100x-800x
100x-200x
200x-400x
What is the ratio expressed in decibels of the power of the outgoing signal to the power of the reflected signal
This is the grounding connection point for telecommunications systems and equipment in the area served by an ER or TR
BCT
The inside bend radius shall be _______ times the ID for conduits 2 inches or less
6
8
This tool is used to inspect the radius of curvature, offset of polish & optical fiber height
Interferometer
This is the unwanted transfer of a signal's EM energy from one or more circuits to other circuits
Delay Skew
Return Loss
Insertion Loss
This tool can determine end-to-end attenuation & distance to a point of high attenuation during pre-installation testing
Test equipment uses what to determine the length of a cable
NVP (nominal velocity of propagation)
How far does the conductor need to extend beyond the connector if using a set-screw, pass-through style lug
1/8"
Cross-Connect Field Colors: Common Equipment
Red
What device converts analog data, from a video device, to a digital signal
The inside bend radius shall be ___ times the ID for conduits greater than 2 inches
Acceptance testing of optical fiber is most often performed with which tester
What are unsafe oxygen levels
below 19.5% and above 23.5%
below 20.5% and above 25.5%
below 15.5% and above 20.5%
Time for a signal to be transmitted from one end to the other
Which entrance pathway has the lowest cabling installation cost
For singlemode fiber, out-of-band testing may be accomplished at the _____ nm window
1625
1550
1310
1490
Difference in propagation delay between slowest & fastest pairs within same cable sheath
delay skew
crosstalk
insertion loss
return loss
What is the worst acceptable loss for a mated pair
.5dB
1.0dB
95% of mated pairs shall be better than ____dB loss
This type of protector has a reaction time of 10-15 ns
Fire & data
There is currently no maximum bandwidth for singlemode optical fiber
This firestop material expands when exposed to fire or heat
intumescent
ablative
endothermic
This backbone cable distributes telecommunications services between buildings
interbuilding
intrabuilding
Cross-Connect Field Colors: Demarcation Point
What is the maximum amount of exposure between the insulation and the bonding connector
What can be used to neutralize small acid spills
sodium bicarbonate
water
milk