4367921
Descripción
Test por eric rinehart, actualizado hace más de 1 año
|
Creado por eric rinehart
hace más de 8 años
|
|
Pregunta 1
Pregunta
What is the recommended power range for microscopes to view the end face of an optical fiber connector
Respuesta
-
100x-200x
-
100x-800x
-
200x-400x
Pregunta 2
Pregunta
_____ cabling provides interconnection between TRs, ERs, main terminal space & EF (entrance facilities)
Respuesta
-
backbone
-
horizontal
-
riser
Pregunta 3
Pregunta
To confine the light within the core by creating a reflective boundary is the purpose of the _______
Respuesta
-
cladding
-
buffer
-
acrylate
Pregunta 4
Pregunta
This space is a special purpose room that provides and maintains a suitable operating environment for large telecommunications equipment
Respuesta
-
ER
-
EF
-
TR
-
TE
Pregunta 5
Pregunta
During a retrofit, it is not required to remove all abandoned cable
Respuesta
- True
- False
Pregunta 6
Pregunta
This space should not serve more than 3,600 sq/ft
Respuesta
-
TE
-
TR
-
ER
-
EF
Pregunta 7
Pregunta
What is the most common specialty fastener used in ITS cabling
Respuesta
-
j-hook
-
toggle bolt
-
drive ring
-
bridal ring
Pregunta 8
Pregunta
Interbuilding circuits are considered to have lightning exposure unless 1 or more conditions exist (select all correct)
Respuesta
-
Buildings close together and sufficiently high
-
Cable run is 140ft or less (underground or in conduit)
-
Area having an avg. of 5 or fewer t-storms per year and earth resistivity less than 100 ohms
Pregunta 9
Pregunta
This tester uses Rayleigh scattering & Fresnal reflection to measure the characteristics of an optical fiber
Respuesta
-
OTDR
-
OLTS
-
VFL
Pregunta 10
Pregunta
The ITS installer is allowed to add more firestopping product to get a higher rating
Respuesta
- True
- False
Pregunta 11
Pregunta
Cross-Connect Field Colors: Future (Key Telephone Systems)
Respuesta
-
Red
-
Yellow
-
Gray
-
Purple
Pregunta 12
Pregunta
What is used to flush electrolyte burns to the skin
Respuesta
-
water
-
milk
-
sodium bicarbonate
Pregunta 13
Pregunta
Shorter wavelengths of light exhibit greater amounts of attenuation because of Rayleigh scattering
Respuesta
- True
- False
Pregunta 14
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 15
Pregunta
What is the minimum separation of telecommunications cabling and electric motors & transformers
Respuesta
-
12 inches
-
36 inches
-
48 inches
-
60 inches
Pregunta 16
Pregunta
This firestop material has the ability to absorb heat to prevent the temperature from rising on the other side of the fire barrier
Respuesta
-
endothermic
-
ablative
-
intumescent
Pregunta 17
Pregunta
Where does the SCS begin
Respuesta
-
where the SP terminates
-
ER
-
TR
Pregunta 18
Pregunta
What is the signal range for POTS
Respuesta
-
300Hz-3400Hz
-
300MHz-3400MHz
-
20Hz-20,000Hz
Pregunta 19
Pregunta
This type of protector has a reaction time of 1-2 ns
Respuesta
-
fire & data
-
carbon
-
gas
-
solid state
Pregunta 20
Pregunta
Cross-Connect Field Colors: Interbuilding Backbone
Respuesta
-
brown
-
gray
-
white
-
purple
Pregunta 21
Pregunta
The frequency of CAT5e is
Respuesta
-
100MHz
-
250MHz
-
500MHz
-
150MHz
Pregunta 22
Pregunta
The frequency of CAT3 is
Respuesta
-
16MHz
-
20MHz
-
50MHz
-
100MHz
Pregunta 23
Pregunta
The frequency of CAT6a is
Respuesta
-
100MHz
-
250MHz
-
350MHz
-
500MHz
Pregunta 24
Pregunta
The frequency of CAT6 is
Respuesta
-
100MHz
-
250MHz
-
350MHz
-
500MHz
Pregunta 25
Pregunta
How many pairs are in a super group
Respuesta
-
600
-
100
-
400
-
300
Pregunta 26
Pregunta
How many binder groups are in each super group
Respuesta
-
12
-
24
-
50
-
25
Pregunta 27
Pregunta
What are the 2 common methods of terminating balanced twisted pair cable (select all correct)
Respuesta
-
IDC
-
IPC
-
RJ45
-
Punch Down
Pregunta 28
Pregunta
Which of the following cables meet the minimum requirements for cabling to a work area (select all correct)
Respuesta
-
4 pair, 100 Ohm CAT5e cable
-
4 pair, 100 Ohm CAT6 cable
-
2 or more strands of 62.5 or 50 (OM1 or OM2)
-
2 or more strands of singlemode
Pregunta 29
Pregunta
Why is undercarpet cable not recommended (select all correct)
Respuesta
-
susceptibility to damage
-
limited flexibility for moves, adds or changes (MACs)
-
poor cable performance
-
damages carpet
Pregunta 30
Pregunta
The interconnection between undercarpet cable and horizontal cable is called what
Respuesta
-
TP (transition point)
-
CP (consolidation point)
-
MUTOA
Pregunta 31
Pregunta
If using undercarpet cable, what is recommended maximum length of the cable
Respuesta
-
33ft
-
50ft
-
20ft
-
100ft
Pregunta 32
Pregunta
What are the most common connectors for multimode fiber (select all correct)
Respuesta
-
ST
-
SC
-
LC
Pregunta 33
Pregunta
What are the common modular connectors used in ITS (select all correct)
Respuesta
-
4P4C
-
6P6C
-
8P8C
-
RJ45
Pregunta 34
Pregunta
What are the most predominant coaxial cables (select all correct)
Respuesta
-
Series 6
-
Series 59
-
Series 11
-
RG6
-
RG58
-
RG59
Pregunta 35
Pregunta
The F connector is the most commonly used connector for residential cable service
Respuesta
- True
- False
Pregunta 36
Pregunta
What are the common BNC connector types (select all correct)
Respuesta
-
3 piece crimp
-
1 piece compression
-
screw-on
Pregunta 37
Pregunta
What is the maximum pulling tension of 4-pair, balanced twisted pair cabling
Respuesta
-
25 pounds-force (lbf)
-
20 pounds-force (lbf)
-
30 pounds-force (lbf)
Pregunta 38
Pregunta
What is the minimum bend radius of 4 pair cable
Respuesta
-
4 times cable diameter
-
5 times cable diameter
-
4 inches
-
5 inches
Pregunta 39
Pregunta
What is the recommended service slack for 4-pair cables at the work area
Respuesta
-
12 inches
-
24 inches
-
36 inches
Pregunta 40
Pregunta
What is the recommended service slack for a 4 pair cable in the TR/ER
Respuesta
-
farthest corner of room plus floor to ceiling
-
length of backboard plus floor to ceiling
-
15 feet
-
10 feet
Pregunta 41
Pregunta
What is the recommended service slack for multipair cable in a TR/ER
Respuesta
-
length of backboard plus floor to ceiling
-
farthest corner plus floor to ceiling
-
15 feet
-
20 feet
Pregunta 42
Pregunta
What is the recommended service slack for 4 pair & multipair cable at a TE
Respuesta
-
10ft
-
15ft
-
6.6ft
Pregunta 43
Pregunta
The tensile strength of pull string is typically
Respuesta
-
75-200 lbf
-
100-200 lbf
-
50-100 lbf
-
75-150 lbf
Pregunta 44
Pregunta
A pull string should be attached to cable with what type of knot and how many knots
Respuesta
-
3 half hitches
-
2 half hitches
-
3 square knots
-
2 square knots
Pregunta 45
Pregunta
Structural steel members (red iron) can be used to support cables if they are spaced 4-5ft
Respuesta
- True
- False
Pregunta 46
Pregunta
What are the common splice connectors for copper (select all correct)
Respuesta
-
straight through
-
butt splice
-
half tap
Pregunta 47
Pregunta
What are the common splice enclosures (select all correct)
Respuesta
-
straight
-
butt
-
branch
Pregunta 48
Pregunta
Which copper splicing method allows the conductors to be folded into the splice and allows for maintenance, rearrangement and transfer of the conductors
Respuesta
-
Inline
-
Foldback
-
Butt
-
Branch
Pregunta 49
Pregunta
What is the minimum bend radius of a 4 pair balanced twisted pair cord
Respuesta
-
1x patch cord diameter
-
4x patch cord diameter
-
4 inches
-
2 inches
Pregunta 50
Pregunta
What is the minimum bend radius of a multipair cable
Respuesta
-
follow manufacturer specifications
-
10x diameter of cable
-
15x diameter of cable
Pregunta 51
Pregunta
Cable pair twists for CAT3 must be maintained to within ____________ of termination
Respuesta
-
3 inches
-
2 inches
-
1 inch
-
.5 inches
Pregunta 52
Pregunta
Cable pair twists for CAT5e or higher must be maintained to within ____________ of termination
Respuesta
-
.5 inches
-
.25 inches
-
.75 inches
-
1 inch
Pregunta 53
Pregunta
110 blocks come in increments of ________ pairs (select all correct)
Respuesta
-
50
-
100
-
300
-
900
-
600
Pregunta 54
Pregunta
BIX blocks come in increments of ________ pairs (select all correct)
Respuesta
-
50
-
250
-
300
-
900
-
100
Pregunta 55
Pregunta
Field terminated patch cables are not recommended for CAT5e
Respuesta
- True
- False
Pregunta 56
Pregunta
What is the most common video connector in the industry
Respuesta
-
F
-
BNC
-
N
-
HDMI
Pregunta 57
Pregunta
Specification and visual inspection is what phase of testing
Respuesta
-
Phase 1
-
Phase 2
-
Phase 3
Pregunta 58
Pregunta
Testing with various test equipment is what phase of testing
Respuesta
-
Phase 1
-
Phase 2
-
Phase 3
Pregunta 59
Pregunta
Documentation is what phase of testing
Respuesta
-
Phase 1
-
Phase 2
-
Phase 3
Pregunta 60
Pregunta
Except in particular cases, what is the maximum length of equipment cords
Respuesta
-
16.5ft
-
5ft
-
10ft
Pregunta 61
Pregunta
A consolidation point will extend the horizontal cabling length
Respuesta
- True
- False
Pregunta 62
Pregunta
What is the maximum amount of work areas that a MUTOA should serve
Respuesta
-
12
-
24
-
10
-
20
Pregunta 63
Pregunta
A minimum of 1 dedicated, non-switched duplex receptacle should be available for equipment in each _________
Respuesta
-
TE
-
TR
-
ER
-
EF
Pregunta 64
Pregunta
What is the maximum square footage a TE should serve
Respuesta
-
3600
-
5000
-
2400
-
4000
Pregunta 65
Pregunta
What is minimum recommended cable tray width for an ER, TR or EF
Respuesta
-
12 inches
-
18 inches
-
6 inches
-
24 inches
Pregunta 66
Pregunta
Which grade of plywood has knotholes without any repair
Respuesta
-
Grade A
-
Grade B
-
Grade C
-
Grade D
Pregunta 67
Pregunta
Which grade of plywood contains some blemishes and the occasional knothole
Respuesta
-
Grade A
-
Grade B
-
Grade C
-
Grade D
Pregunta 68
Pregunta
Which grade of plywood has the knotholes cut out and replaced with a patch of clean wood
Respuesta
-
Grade A
-
Grade B
-
Grade C
-
Grade D
Pregunta 69
Pregunta
Which grade of plywood is the highest grade and is without any surface blemishes
Respuesta
-
Grade A
-
Grade B
-
Grade C
-
Grade D
Pregunta 70
Pregunta
Which grade of plywood should be used for ER, TR & EFs
Respuesta
-
A/C
-
A/B
-
A/A
-
A/D
Pregunta 71
Pregunta
How many walls should have plywood installed
Respuesta
-
2
-
3
-
4
Pregunta 72
Pregunta
Select all that apply to backboards in ERs, TRs & EFs
Respuesta
-
3/4" thick plywood
-
at least 2 coats of fire retardant paint
-
minimum 1/4" toggle bolts
-
toggle bolts should be spaced 24 inches
-
toggle bolts should be 2 inches from the edge of the plywood
-
plywood should be mounted 6 inches AFF
Pregunta 73
Pregunta
Most ITS installations will require a 19 inch by 7 ft rack
Respuesta
- True
- False
Pregunta 74
Pregunta
What are the common depths of racks (select all correct)
Respuesta
-
4 inch
-
6 inch
-
8 inch
Pregunta 75
Pregunta
What are the popular thread sizes for racks/cabinets (select all correct)
Respuesta
-
M5
-
M6
-
10-32
-
12-24
Pregunta 76
Pregunta
What is the preferred size of patch panels
Respuesta
-
48 port
-
24 port
-
2u
-
1u
Pregunta 77
Pregunta
What are the reasons that FMT is not recommended (select all correct)
Respuesta
-
creep
-
shift
-
damage cable sheath
Pregunta 78
Pregunta
If using FMT, what rules must be followed (select all correct)
Respuesta
-
up 1 trade size
-
limit to 20ft
-
no more than two 90 degree bends
Pregunta 79
Pregunta
How many 90 degree bends are allowed in conduit segment
Respuesta
-
2
-
3
-
4
Pregunta 80
Pregunta
If more than two 90 degree bends are needed, what must be done (select all correct)
Respuesta
-
run is not longer than 33ft
-
increase conduit 1 trade size
-
install one 90 degree bend within 12 inches of feed end
Pregunta 81
Pregunta
When conduits enter a TR through the floor, how far should they protrude
Respuesta
-
6 inches
-
2-4 inches
-
1-3 inches
Pregunta 82
Pregunta
What are the 3 common depths of basket tray (rod stock tray) (select all correct)
Respuesta
-
1
-
2
-
4
-
6
Pregunta 83
Pregunta
This is the portion of the data center that actually houses the IT equipment
Respuesta
-
Computer Room
-
Equipment Room
-
Entrance Room
Pregunta 84
Pregunta
Which types of cables are recognized in data center telecommunications (select all correct)
Respuesta
-
100 ohm balanced twisted pair
-
multimode fiber
-
singlemode fiber
-
50/75 ohm coaxial
Pregunta 85
Pregunta
Which two types of coaxial cable does ANSI/TIA 942 recognize for E1, E3 & T3 circuits (select all correct)
Respuesta
-
734-type
-
735-type
-
Series 6
-
Series 11
Pregunta 86
Pregunta
Which type of connectors are installed on 734-type and 735-type coaxial cable for E1, E3 & T3 circuits (select all correct)
Respuesta
-
BNC
-
TNC
-
F
-
N
Pregunta 87
Pregunta
Cable trays in data centers should be planned for initial maximum calculated fill ratio of ________%
Respuesta
-
25%
-
40%
-
50%
-
30%
Pregunta 88
Pregunta
How much clearance should be provided above the of cable trays when they are installed above cabinets
Respuesta
-
12 inches
-
10 inches
-
6 inches
-
18 inches
Pregunta 89
Pregunta
How much clearance should be above a cable tray that is installed below a raised floor
Respuesta
-
2 inches
-
3 inches
-
6 inches
-
12 inches
Pregunta 90
Pregunta
Cable trays installed under raised floors in data centers should be installed in the cold aisle
Respuesta
- True
- False
Pregunta 91
Pregunta
In a data center, how much horizontal cable management should be provided for each 1u of patch panel
Respuesta
-
1u
-
2u
-
3u
Pregunta 92
Pregunta
Power strips supporting only single-corded equipment should be loaded no more than _______% of circuit capacity
Respuesta
-
80%
-
60%
-
50%
-
75%
Pregunta 93
Pregunta
Power strips supporting only dual-corded equipment should be loaded no more than _______% of circuit capacity
Respuesta
-
40%
-
80%
-
60%
-
75%
Pregunta 94
Pregunta
Some unique aspects of health care regarding access control are (select all correct)
Respuesta
-
elevator controls (cab calls and override)
-
integration will infant protection, wandering patient and elopement systems
-
card readers not always being located at the door
-
multiple levels of access control for care providers, visitors and security
Pregunta 95
Pregunta
In a health care facility, PT (pneumatic tube) system is typically what size tubing
Respuesta
-
4 inch
-
6 inch
-
8 inch
Pregunta 96
Pregunta
Central equipment cabinets are the heart of the system and likely will occupy 4ft x 8ft of wall space in the TR
Respuesta
- True
- False
Pregunta 97
Pregunta
HEPA/ultra-low penetration air (ULPA) vacuum cleaners shall trap _________% of particles 0.12 micrometers and larger
Respuesta
-
99.999
-
98.999
-
99.899
Pregunta 98
Pregunta
In health care facility projects, the safety officer or facilities director shall make at least _________ documented visit(s) per week to each construction work zone
Respuesta
-
1
-
2
-
3
Pregunta 99
Pregunta
This document is the understanding between the customer and the contractor
Respuesta
-
project contract
-
scope of work
-
specifications
Pregunta 100
Pregunta
CLA Series System Drawings: Campus or Site Plans
Respuesta
-
T0
-
T1
-
T2
-
T3
Pregunta 101
Pregunta
CLA Series System Drawings: Layout of complete building per floor
Respuesta
-
T0
-
T1
-
T2
-
T3
Pregunta 102
Pregunta
CLA Series System Drawings: Serving Zones: drop locations and cable IDs
Respuesta
-
T2
-
T3
-
T4
-
T5
Pregunta 103
Pregunta
CLA Series System Drawings: Communication equipment rooms
Respuesta
-
T2
-
T3
-
T4
-
T5
Pregunta 104
Pregunta
CLA Series System Drawings: Typical detail drawings: face-plate labeling, firestopping
Respuesta
-
T2
-
T3
-
T4
-
T5
Pregunta 105
Pregunta
CLA Series System Drawings: Schedules
Respuesta
-
T1
-
T0
-
T4
-
T5
Pregunta 106
Pregunta
What are the 3 major areas in security that may be part of an ITS installer's work (select 3)
Respuesta
-
Intrusion detection system
-
access control system
-
video surveillance
-
patient monitoring
Pregunta 107
Pregunta
A fire alarm system should be designed by a licensed fire protection engineer to ensure proper coverage and code compliance
Respuesta
- True
- False
Pregunta 108
Pregunta
DAS consists of an infrastructure of electronic devices including (select all correct)
Respuesta
-
amplifiers
-
cabling
-
connectors
-
antennas
-
hardware
Pregunta 109
Pregunta
This is a device that transmits and receives electromagnetic waves
Respuesta
-
antenna
-
transmitter
-
transceiver
Pregunta 110
Pregunta
Each 6dB increase in an antenna equals the ___________ of the possible range
Respuesta
-
doubling
-
halving
Pregunta 111
Pregunta
Each 6dB decrease in an antenna equals the ___________ of the possible antenna range
Respuesta
-
doubling
-
halving
Pregunta 112
Pregunta
The standoffs for a radiating cable need to be _______ inches below the cable tray
Respuesta
-
2 inches
-
3 inches
-
4 inches
-
6 inches
Pregunta 113
Pregunta
Wireless access points should be mounted at least ________ meter(s) from any metal obstructions
Respuesta
-
1 meter
-
2 meters
Pregunta 114
Pregunta
Most antennas used with APs indoors come with a ______ cable, commonly known as a pigtail
Respuesta
-
3ft
-
2ft
-
1.5ft
Pregunta 115
Pregunta
What are the 3 common voltages used in centrally amplified systems (select 3)
Respuesta
-
25v
-
70v
-
100v
-
48v
Pregunta 116
Pregunta
Which paging system operates at 24vdc
Respuesta
-
centrally amplified
-
distributed amplifier system
Pregunta 117
Pregunta
Which paging system will typically have 2 conductor cable installed
Respuesta
-
centrally amplified
-
distributed amplified
Pregunta 118
Pregunta
What are the 2 common types of sound masking systems (select 2)
Respuesta
-
in-plenum
-
direct-field
-
above ceiling
Pregunta 119
Pregunta
What time each day does the master clock send a longer pulse that corrects all of the secondary clocks to the correct hour
Respuesta
-
6pm
-
12pm
-
12am
-
9pm
Pregunta 120
Pregunta
D-loading coils are commonly placed by telephone companies at which distance
Respuesta
-
1.37km
-
1.8km
-
1.5km
Pregunta 121
Pregunta
H-loading coils are most commonly placed by the telephone company at which distance
Respuesta
-
1.37km
-
1.5km
-
1.8km
Pregunta 122
Pregunta
Loss for premise cabling, including taps, should not exceed _____ dB of loss
Respuesta
-
7-8
-
7-9
-
8-9
-
7-10
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