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