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Vdv Questions & answers with Complete solutions | Latest edition
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VdvSafety barriers - ANS-1 ) ? is / are often used to prevent personnel from entering an
area where potential hazards exist .
Туре ΙΑΑ - ANS-2 ) A Type ? ladder duty rating is for extra heavy - duty , industrial , 375
pound capacity ladders
All - ANS-3 ) ? chemical products are required t have an SDS .
CLASS E - ANS-4 ) Class ? helmets are used for utility applications and provide high -
voltage protection
Lime - ANS-5 ) Typical colors for high - visibility clothing include highly visible shades
yellow or ?
2' to 20¹ - ANS-6 ) Stepladders range in size from ? to ? feet .
negative - ANS-7 ) When materials rub together , the friction between them often
creates a buildup of static electricity , or a ? charge , in one of the materials neutral
decibels - ANS-8 ) Noise intensity expressed in ? .
increases as the hazard level increases - ANS-9 ) The length of an SDS , or the number
of pages , ? .
Security Systems - ANS-10 ) ? systems fall into two categories ; surveillance systems
and access control systems
purpose of the installation - ANS-11 ) The difference between an electrician and a VDV
installer is primarily in the ?
The Telecommunications Industry Association ( TIA - ANS-12 ) ? publishes standards
that provide the most widely accepted guidance for proper installation and operation of
cabling systems, most commonly cited in the United States.
Audio visual - ANS-13 ) A ( n ) ? system is a network of hardwired or wireless video
monitors that transmit sound and video , usually for presentations to large groups of
people located in a common area.
, 10 Gbps - ANS-14 ) In the last 20 years , common network speeds have gone from 1
megabit per second to ?
video content analytics VCA - ANS-15 ) A VDV system can use ? to analyze video input
and perform a function , such as sound an alarm , when a change is detected.
CAT 5e - ANS-16 ) WAPs are easily installed with Cat ? or better cables .
original equipment manufacturers OEMs - ANS-17 ) As the need for BICs increased , an
organization known as Building Industry Consulting Service International ( BICSI ) was
created in 1977 to bring ? , designers , installers , and distributors together to help
standardize design practices
Back bone - ANS-18 ) ? cabling is telecommunications cabling and hardware that runs
from a telecommunications closet , or intermediate distribution frame ( IDF ) , to a main
distribution frame ( MDF ) or to another telecommunications room
all of the above - ANS-19 ) When planning a r y cabling system , cable paths are
chosen to include ? .
A punchdown tool - ANS-20 ) ? is / are used to terminate copper cabling onto many
types of termination and connection hardware .
increases the speed of making terminations and provides a consistent , repeatable
result - ANS-21 ) The insulation displacement process with a punchdown tool ?
Cable Loss report - ANS-22 ) A ( n ) ? report is an analytical tool that can be created by
certain types of test instruments and is usually generated by a VDV technician to certify
all of the fibers in a specific cable.
Subtraction - ANS-23 ) With an optical attenuation test set , a simple ? of the two power
levels indicates how much signal loss (attenuation ) occurs in the fiber tested .
glow rod - ANS-24 ) A ? is a semi rigid rod that is used to move a cable through a space
that cannot be reached .
Fiber optic Fusion splicer - ANS-25 ) A ( n ) ? is a tool used to weld the ends of two
strands of fiber into a single length using an electrical arc to melt the ends of the strands
.
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