QUESTIONS AND CORRECT ANSWERS
Attenuation - ANSWER--The Decrease in magnitude or power loss of a signal.
Decibels, dB - ANSWER--Unit of measurement for attenuation.
American Wire Gauge (AWG) - ANSWER--The numerical system for
designating wire diameter.
inverse relationship - ANSWER--American Wire Gauge numbers have this
relationship to the wire size.
Balanced Twisted-Pair - ANSWER--Type of wiring in which 2 conductors of a
single circuit are twisted together in order to minimize EMI
V=I*R - ANSWER--The formula relation between Voltage, impedance, and
resistance.
Capacitance - ANSWER--Measured in Farads, causes a voltage difference
between two wires when they are separated by insulation
Durability - ANSWER--Connector's ability to survive hundreds of insertions
and withdrawals
Impedance - ANSWER--Combined effects of resistance, inductive reactance,
and capacitive reactance of a circuit. (Z)
,STP (shielded) and UTP (Unshielded) - ANSWER--The two types of Balanced
Twisted Pair cable
100 Ohms at 100 MHz - ANSWER--Nominal characteristic impedance of
balanced Twisted-pair cables
100 MHz - ANSWER--Cat 5e UTP has transmission characteristics up to:
Crosstalk - ANSWER--The unwanted transfer of a signal's electromagnetic
energy from one or more circuits to other circuits
Shielded, Unshielded, and Cat 7a - ANSWER--The three types of balanced
twisted-pair modular connectors
TIA-568A and TIA-568B - ANSWER--The two standards-compliant wiring
schemes for 8P8C modular connectors
X - ANSWER--The designation used for a multi-line connector
Serial-11 - ANSWER--Coaxial Cable type used in video backbone distribution
75 Ohms - ANSWER--The characteristic impedance of a series-6 Coaxial
Cable
F-type Connector - ANSWER--Type of Coaxial connector that cannot be used
with stranded center conductor
Screw-on - ANSWER--Type of BNC connector that is NOT recommended for
,any installation
Code - ANSWER--The purpose of is to ensure the safety during the
installation and use of materials, components, fixtures, systems, premises, and
related subjects
Standard - ANSWER--The purpose of is to improve the
quality, function, performance, repeatability or some other facet of an
item
ANSI/TIA-568.0 - ANSWER--This ANSI/TIA standard is the foundation for
premise telecommunication cabling infrastructure; enables the planning and
installation of a structured cabling system for all types of customer premises
ANSI/TIA-606 - ANSWER--This ANSI/TIA standard contains administrative
information, such as labeling requirements and recommendations for the
components of a structured cabling system
ANSI/TIA-607 - ANSWER--This ANSI/TIA standard provides
recommendations and requirements related to Bonding and Grounding
First Level Backbone - ANSWER--This level of Backbone cabling is between
the MC and the IC
First Level Backbone - ANSWER--This level of Backbone cabling is between
the MC and the HC or IC
Second Level Backbone - ANSWER--This level of Backbone cabling is
between the IC and the HC
, To distribute signal from the Horizontal Cross-connect in the TR to the work
area - ANSWER--This is the purpose of horizontal Cabling
2 Cables - ANSWER--This is the minimum number of cables to be installed/ran
to each work area
Orange - ANSWER--This color is used to denote a cable demarcation point
Green - ANSWER--This color is used to denote Network connections
Purple - ANSWER--This color is used to denote Common Equipment
White - ANSWER--This color is used to denote first-level backbone cabling
Gray - ANSWER--This color is used to denote second-level backbone cabling
Blue - ANSWER--This color is used to denote Horizontal Cabling
Brown - ANSWER--This color is used to denote Inter-Building backbone
cabling
Yellow - ANSWER--This color is used to denote misc. systems, like alarm
circuits
Red - ANSWER--This color is used to denote systems reserved for future used
5m (16.5ft) - ANSWER--This is the maximum length of both equipment cords
and patch cables