9779003
Beschreibung
Quiz von Jeanie Fitzgerald, aktualisiert more than 1 year ago
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Erstellt von Jeanie Fitzgerald
vor fast 7 Jahre
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Frage 1
Frage
Acceptance testing is most often performed with which tester
Antworten
-
OLTS
-
VFL
-
Interferometer
-
OTDR
Frage 2
Frage
Cross Connect field colors: Horizontal Cable
Antworten
-
Yellow
-
Blue
-
Green
-
Orange
Frage 3
Frage
Which fiber test instrument does not require access to both ends of the fiber while testing on the reel
Antworten
-
OTDR
-
OLTS
-
VFL
Frage 4
Frage
24 AWG stranded cable has _____ more attenuation than solid conductors of the same guage
Antworten
-
20%
-
30%
-
40%
-
50%
Frage 5
Frage
Who should the ITS installer seek guidance from for minimum safety requirements for safe work & employee health on job site
Antworten
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Safety Director
-
OHSA
-
AHJ
-
Employer
Frage 6
Frage
Which splicing method has a low consumable cost
Antworten
-
fusion
-
mechanical
Frage 7
Frage
Which of the following standard covers color coding for optical fiber cables.
Antworten
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TIA 568-C
-
TIA 598-C
-
TIA 526-7
Frage 8
Frage
All metal pathways must be bonded at both ends regardless of length when containing a bonding conductor
Antworten
- True
- False
Frage 9
Frage
Bonding and Grounding and Electrical protection is based on these existing codes and standards. Select all that apply
Antworten
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NFPA 70
-
NFPA 780
-
ANSI/TIA 607-C
-
ISO/IEC 30129
Frage 10
Frage
TIA-607-C recommends that a _____ be made on every third floor and the top floor of multi-story structures
Antworten
-
TBB
-
BBC
-
TEBC
Frage 11
Frage
Connector insertion loss for both multi-mode and single-mode should be better than____ dB per mated pair
Antworten
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.75dB
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.5dB
-
.3dB
Frage 12
Frage
This type of backbone cabling distributes telecommunications services between telecommunications space within a single building
Antworten
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Fiber Optic
-
Intrabuilding
-
Interbuilding
Frage 13
Frage
One of the primary functions of the ______ is to house the floor-serving cross-connections and interconnection
Antworten
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EF
-
ER
-
TR
Frage 14
Frage
26 AWG stranded cable or cords has ____ more attenuation than 26 AWG solid cable
Antworten
-
20%
-
30%
-
40%
-
50%
Frage 15
Frage
GFCI outlets should be used on electrical equipment , select all that apply
Antworten
-
Temporary extension cords
-
Outside
-
Damp environments
-
Construction sites
Frage 16
Frage
This firestop material is a putty that is used to seal the back of outlet boxes
Antworten
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wrap strips
-
pads
-
sheets
Frage 17
Frage
Select the 3 types of centralized fiber cabling implementations
select one or more
Antworten
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Home run
-
Splice in the TR
-
Pull-through
-
Interconnection
Frage 18
Frage
This administration addresses infrastructure with one or more telecommunication spaces in a single building
Antworten
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Class 1
-
Class 2
-
Class 3
-
Class 4
Frage 19
Frage
This addresses multiple buildings at a single site ( campus environment )
Antworten
-
Class 1
-
Class 2
-
Class 3
-
Class 4
Frage 20
Frage
This addresses infrastructure with multiple sites or campuses
Antworten
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Class 1
-
Class 2
-
Class 3
-
Class 4
Frage 21
Frage
This premise is served by a single ER, which is the only telecommunication space on the site
Antworten
-
Class 1
-
Class 2
-
Class 3
-
Class 4
Frage 22
Frage
ANSI/TIA 606-B is the Administration Standard for Residential Telecommunications Infrastructure
Antworten
- True
- False
Frage 23
Frage
This is the copper conductor that interconnects the PBB to SBB
Antworten
-
TBB
-
BBC
-
TBC
Frage 24
Frage
This type of fiber consists pf up to 24 strands bundled together in a single line that is color coded
Antworten
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tight buffer
-
loose tube
-
ribbon
Frage 25
Frage
This firestop material incorporate putty and is referred to as a pipe choke system
Antworten
-
putty
-
foam
-
collars
Frage 26
Frage
The inside bend radius shall be ____ times the ID for conduits 2 inches or less
Antworten
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4
-
6
-
8
-
10
Frage 27
Frage
The inside bend radius shall be ____ times the internal diameter of the conduit when used for optical fiber or trade size diameters greater than 2 inches.
Antworten
-
6
-
8
-
10
Frage 28
Frage
Terminate conduits that protrude through the structural floor ____ to ______ above the surface to prevent solvents or fluids from flowing into them
Antworten
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1-3
-
2-3
-
2-4
-
6 in
Frage 29
Frage
Consider placing 2 - 1.5 " and 1 - 1 " innerducts inside each ___ inch conduit to ensure optical fiber cable protection.
Antworten
-
2
-
4
-
6
-
8
Frage 30
Frage
This is the result from different optical fiber lengths in multimode fiber
Antworten
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overfill launch
-
modal bandwidth
-
modal dispersion
Frage 31
Frage
There is no mandatory standard to identify the color coding for optical fiber jackets
Antworten
- True
- False
Frage 32
Frage
When terminating anaerobic connectors, adhesive hardening takes how long
Antworten
-
5-10 seconds
-
10-20 seconds
-
1 minute
Frage 33
Frage
What quantifies the bandwidth of a cabling system in a frequency range
Antworten
-
megahertz
-
megabit
-
decibel
Frage 34
Frage
Widening or spreading out of modes in a light pulse as it progresses along the optical fiber
Antworten
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Dispersion
-
Photons
-
Modal bandwidth
Frage 35
Frage
increasing either the length of the cable or the wavelength of the light source decreases the modal bandwidth and information carrying capacity of the transmission path
Antworten
- True
- False
Frage 36
Frage
Minimum bend radius of an intrabuilding fiber during installation
Antworten
-
20 x diameter
-
10 x diameter
-
15 x diameter
Frage 37
Frage
Words are _____% of communication perceptions
Antworten
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7%
-
38%
-
55%
Frage 38
Frage
What is the minimum bend radius of the fiber cable with up to 4 strands at rest
Antworten
-
10 X diameter
-
4 x diameter
-
2 inch
-
1 inch
Frage 39
Frage
This amount of current will cause breathing to become difficult
Antworten
-
2-3 mA
-
50-100 mA
-
10 mA
-
100 mA
Frage 40
Frage
This amount of current will produce a tingling of the skin
Antworten
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2-3 mA
-
10 mA
-
50-100 mA
-
200 mA
Frage 41
Frage
_____ mA will produce a painful shock, and the muscles cannot release the contact
Antworten
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2-3 mA
-
10 mA
-
50- 100 mA
-
100 mA
Frage 42
Frage
___ mA and above cause the heart to clamp shut, and severe burns occur on skin and hair
Antworten
-
10 mA
-
50 - 100 mA
-
100 mA
-
200 mA
Frage 43
Frage
This amount of current severely damages the heart and usually results in death
Antworten
-
50 - 100 mA
-
100 mA
-
200 mA
Frage 44
Frage
This firestop material will develop a hard char that resists erosion from fire and flames
Antworten
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Endothermic
-
Intumescent
-
Ablative
Frage 45
Frage
How far should toggle bolts be spaced when mounting a backboard
Antworten
-
18 inches
-
2 ft.
-
1 ft.
-
3 ft.
Frage 46
Frage
Which fiber supports wavelengths of 850 nm and 1300 nm
Antworten
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singlemode
-
multimode
Frage 47
Frage
For (SCS) structured cabling systems, singlemode fiber has a length limitation of
Antworten
-
2000 meters
-
3000 meters
-
No limit
Frage 48
Frage
Multimode fiber has a length limitation of ________ for (SCS) structured cabling systems.
Antworten
-
2000 meters
-
3000 meters
-
No limit
Frage 49
Frage
Supported distances are application dependent for single and multimode optical fiber
Antworten
- True
- False
Frage 50
Frage
What ratio is expressed in decibels of the power of the outgoing signal to the power of the reflective signal
Antworten
-
Delay skew
-
Insertion loss
-
Return loss
Frage 51
Frage
Which transmission method transmits a signal in one direction only
Antworten
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Full duplex
-
Half duplex
-
Simplex
Frage 52
Frage
The measure of signal loss resulting from the insertion of a component, link or channel between transmitter and receiver
Antworten
-
Return loss
-
Attenuation
-
Impedance
Frage 53
Frage
This type of cutover is one continuous process until completed
Antworten
-
Continuous cutover
-
Phased cutover
-
Flash cutover
-
Shutdown
Frage 54
Frage
Abandoned cable can become fuel and is a fire hazard
Antworten
- True
- False
Frage 55
Frage
This firestop material can be intumescent, endothermic or ablative
Antworten
-
caulk
-
pillows
-
putty
Frage 56
Frage
During a retrofit, it is not required to remove all abandoned cable
Antworten
- True
- False
Frage 57
Frage
The frequency of CAT 3 is
Antworten
-
100 MHz
-
50 MHz
-
20 MHz
-
16 MHz
Frage 58
Frage
The frequency of CAT 6A is
Antworten
-
100 MHz
-
250 MHz
-
500 MHz
Frage 59
Frage
The frequency of CAT 5e
Antworten
-
100 MHz
-
250 MHZ
-
500 MHz
Frage 60
Frage
What is used to flush electrolyte burns to the skin
Antworten
-
milk
-
water
-
sodium bicarbonate
Frage 61
Frage
What are the 3 common depths of wire basket tray
select all correct
Antworten
-
1 in
-
2 in
-
4 in
-
6 in
Frage 62
Frage
What are the 3 major areas in security that may be part of an ITS installer's work
select all correct
Antworten
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video surveillance
-
patient monitoring
-
access control system
-
intrusion detection system
Frage 63
Frage
Longer wavelengths are more sensitive to bending loss and will allow light to exit out of the fiber core more than shorter wavelengths.
Antworten
- True
- False
Frage 64
Frage
Specification and visual inspection is what phase of testing
Antworten
-
Phase 1
-
Phase 2
-
Phase 3
Frage 65
Frage
Which is the highest grade of plywood and is without any surface blemishes
Antworten
-
Grade A
-
Grade B
-
Grade C
-
Grade D
Frage 66
Frage
Cable tray installed under raised floors in a data center should be installed in the cold aisle
Antworten
- True
- False
Frage 67
Frage
Which grade of plywood has knotholes without any repair
Antworten
-
Grade A
-
Grade B
-
Grade C
-
Grade D
Frage 68
Frage
Grade ___ has knotholes cut out and replaced with a patch of clean wood
Antworten
-
A
-
B
-
C
-
D
Frage 69
Frage
For (ICT) information and communication technology systems use, Grade_____ should be used
Antworten
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A/B
-
A/C
-
B/C
-
B/D
Frage 70
Frage
Wireless access points should be mounted at least _____ meter(s) from any metal obstructions
Antworten
-
1 meter
-
2 meters
-
3 meters
Frage 71
Frage
The F connector is the most commonly used connector for residential cable service
Antworten
- True
- False
Frage 72
Frage
what is the recommended service slack for 4 pair and multi pair cable at a TE
Antworten
-
6.6
-
10 ft.
-
15 ft.
Frage 73
Frage
This tester uses Rayleigh scattering and Fresnal reflection to measure the characteristics of an optical fiber
Antworten
-
OTDR
-
OLTS
-
VFL
Frage 74
Frage
Cross connect field color for interbuilding backbone
Antworten
-
white
-
gray
-
brown
-
purple
Frage 75
Frage
To confine the light within the core by creating a reflective boundary is the purpose of the_________
Antworten
-
buffer
-
acrylate
-
cladding
Frage 76
Frage
What is the recommended service slack for multipair cable in a TR/ER
Antworten
-
15 ft
-
length of backboard via pathways plus floor to ceiling
-
20 ft
-
farthest corner via pathway plus floor to ceiling
Frage 77
Frage
Except in particular cases, what is the maximum length of equipment cords
Antworten
-
5 ft
-
10 ft
-
16.5 ft
Frage 78
Frage
What is the maximum square footage a TE can serve
Antworten
-
2400
-
3600
-
4000
Frage 79
Frage
Each dB decrease in an antenna equals the _________ of the possible antenna range
Antworten
-
doubling
-
halving
Frage 80
Frage
Cable pair twists for CAT 5e or higher must be maintained to within ____ of termination
Antworten
-
1 in
-
.75 in
-
.5 in
-
.25 in
Frage 81
Frage
Most antennas used with APs indoors come with a ____ cable, commonly known as a pigtail
Antworten
-
1.5 ft
-
2 ft
-
3.3 ft
Frage 82
Frage
Typical detail drawing; face-plate labeling, firestopping
Antworten
-
T1
-
T2
-
T3
-
T4
Frage 83
Frage
110 blocks come in increments of _____ pairs
select all correct
Antworten
-
100
-
50
-
300
-
900
-
600
Frage 84
Frage
What is the maximum amount of work areas that a Consolidation point ( CP ) should serve
Antworten
-
12
-
20
-
24
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