BICSI IN225 7.0, INSTALLER 2, QUESTIONS
WITH CORRECT ANSWERS 2025-2026
Attenuation CORRECT ANSWER The Decrease in magnitude or power loss of a signal.
Decibels, dB CORRECT ANSWER Unit of measurement for attenuation.
American Wire Gauge (AWG) CORRECT ANSWER
The numerical system for designating wire diameter.
inverse relationship CORRECT ANSWER
American Wire Gauge numbers have this relationship to the wire size.
Balanced Twisted-Pair CORRECT ANSWER
Type of wiring in which 2 conductors of a single circuit are twisted together in order to minimiz
e EMI
V=I*R CORRECT ANSWER The formula relation between Voltage, impedance, and resistance.
Capacitance CORRECT ANSWER
Measured in Farads, causes a voltage difference between two wires when they are separated b
y insulation
Durability CORRECT ANSWER
Connector's ability to survive hundreds of insertions and withdrawls
Impedance CORRECT ANSWER
Combined effects of resistance, inductive reactance, and capacitive reactance of a circuit. (Z)
,STP (shielded) and UTP (Unshielded) CORRECT
ANSWER The two types of Balanced Twisted Pair cable
100 Ohms at 100 MHz CORRECT ANSWER
Nominal characteristic impedance of balanced Twisted-pair cables
100 MHz CORRECT ANSWER Cat 5e UTP has transmission characteristics up to:
Crosstalk CORRECT ANSWER
The unwanted transfer of a signal's electromagnetic energy from one or more circuits to other
circuits
Shielded, Unshielded, and Cat 7a CORRECT ANSWER The three types of balanced
twisted- pair modular connectors
TIA-568A and TIA-568B CORRECT ANSWER The two standards-
compliant wiring schemes for 8P8C modular connectors
X CORRECT ANSWER The designation used for a multi-line connector
Serial-11 CORRECT ANSWER Coaxial Cable type used in video backbone distribution
75 Ohms CORRECT ANSWER The characteristic impedance of a series-6 Coaxial Cable
F-type Connector CORRECT ANSWER
Type of Coaxial connector that cannot be used with stranded center conductor
,Screw-on CORRECT ANSWER
Type of BNC connector that is NOT recommended for any installation
Code CORRECT ANSWER
The purpose of is to ensure the safety during the installation and use of materials, compon
ents, fixtures, systems, premises, and related subjects
Standard CORRECT ANSWER
The purpose of is to improve the quality, function, performance, repeatability or some oth
er facet of an item
ANSI/TIA-568.0 CORRECT 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 p
remises
ANSI/TIA-606 CORRECT 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 CORRECT ANSWER
This ANSI/TIA standard provides recommendations and requirements related to Bonding and G
rounding
First Level Backbone CORRECT ANSWER
This level of Backbone cabling is between the MC and the IC
First Level Backbone CORRECT ANSWER
This level of Backbone cabling is between the MC and the HC or IC
, Second Level Backbone CORRECT 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
CORRECT ANSWER This is the purpose of horizontal Cabling
2 Cables CORRECT ANSWER
This is the minimum number of cables to be installed/ran to each work area
Orange CORRECT ANSWER This color is used to denote a cable demarcation point
Green CORRECT ANSWER This color is used to denote Network connections
Purple CORRECT ANSWER This color is used to denote Common Equipment
White CORRECT ANSWER This color is used to denote first-level backbone cabling
Gray CORRECT ANSWER This color is used to denote second-level backbone cabling
Blue CORRECT ANSWER This color is used to denote Horizontal Cabling
Brown CORRECT ANSWER This color is used to denote Inter-Building backbone cabling
Yellow CORRECT ANSWER This color is used to denote misc. systems, like alarm circuits
Red CORRECT ANSWER This color is used to denote systems reserved for future used
WITH CORRECT ANSWERS 2025-2026
Attenuation CORRECT ANSWER The Decrease in magnitude or power loss of a signal.
Decibels, dB CORRECT ANSWER Unit of measurement for attenuation.
American Wire Gauge (AWG) CORRECT ANSWER
The numerical system for designating wire diameter.
inverse relationship CORRECT ANSWER
American Wire Gauge numbers have this relationship to the wire size.
Balanced Twisted-Pair CORRECT ANSWER
Type of wiring in which 2 conductors of a single circuit are twisted together in order to minimiz
e EMI
V=I*R CORRECT ANSWER The formula relation between Voltage, impedance, and resistance.
Capacitance CORRECT ANSWER
Measured in Farads, causes a voltage difference between two wires when they are separated b
y insulation
Durability CORRECT ANSWER
Connector's ability to survive hundreds of insertions and withdrawls
Impedance CORRECT ANSWER
Combined effects of resistance, inductive reactance, and capacitive reactance of a circuit. (Z)
,STP (shielded) and UTP (Unshielded) CORRECT
ANSWER The two types of Balanced Twisted Pair cable
100 Ohms at 100 MHz CORRECT ANSWER
Nominal characteristic impedance of balanced Twisted-pair cables
100 MHz CORRECT ANSWER Cat 5e UTP has transmission characteristics up to:
Crosstalk CORRECT ANSWER
The unwanted transfer of a signal's electromagnetic energy from one or more circuits to other
circuits
Shielded, Unshielded, and Cat 7a CORRECT ANSWER The three types of balanced
twisted- pair modular connectors
TIA-568A and TIA-568B CORRECT ANSWER The two standards-
compliant wiring schemes for 8P8C modular connectors
X CORRECT ANSWER The designation used for a multi-line connector
Serial-11 CORRECT ANSWER Coaxial Cable type used in video backbone distribution
75 Ohms CORRECT ANSWER The characteristic impedance of a series-6 Coaxial Cable
F-type Connector CORRECT ANSWER
Type of Coaxial connector that cannot be used with stranded center conductor
,Screw-on CORRECT ANSWER
Type of BNC connector that is NOT recommended for any installation
Code CORRECT ANSWER
The purpose of is to ensure the safety during the installation and use of materials, compon
ents, fixtures, systems, premises, and related subjects
Standard CORRECT ANSWER
The purpose of is to improve the quality, function, performance, repeatability or some oth
er facet of an item
ANSI/TIA-568.0 CORRECT 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 p
remises
ANSI/TIA-606 CORRECT 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 CORRECT ANSWER
This ANSI/TIA standard provides recommendations and requirements related to Bonding and G
rounding
First Level Backbone CORRECT ANSWER
This level of Backbone cabling is between the MC and the IC
First Level Backbone CORRECT ANSWER
This level of Backbone cabling is between the MC and the HC or IC
, Second Level Backbone CORRECT 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
CORRECT ANSWER This is the purpose of horizontal Cabling
2 Cables CORRECT ANSWER
This is the minimum number of cables to be installed/ran to each work area
Orange CORRECT ANSWER This color is used to denote a cable demarcation point
Green CORRECT ANSWER This color is used to denote Network connections
Purple CORRECT ANSWER This color is used to denote Common Equipment
White CORRECT ANSWER This color is used to denote first-level backbone cabling
Gray CORRECT ANSWER This color is used to denote second-level backbone cabling
Blue CORRECT ANSWER This color is used to denote Horizontal Cabling
Brown CORRECT ANSWER This color is used to denote Inter-Building backbone cabling
Yellow CORRECT ANSWER This color is used to denote misc. systems, like alarm circuits
Red CORRECT ANSWER This color is used to denote systems reserved for future used
