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BICSI Technician- Netcom - Chapter 1 Questions and Answers (Latest Update 2024)
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BICSI Technician- Netcom - Chapter 1 Questions and Answers (Latest Update 2024)
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BICSI Technician- Netcom - Chapter 1Questions and Answers (Latest Update
2024)
Three transmission methods are - Correct Answer
✅Symplex, half duplex, full duplex
The choice of a specific transport medium is influenced by 5
economics and technical considerations such as the: -
Correct Answer ✅Physical construction, type of services,
topology and size of the network, transmission path distance,
transmission performance characteristics of the cabling.
Twisted pair cable is called balanced cable because: -
Correct Answer ✅The physical construction of both
conductors and the associated connections transmit
information electrically at the same potential referenced to
ground.
Coaxial cable is unbalanced because: - Correct Answer
✅The two conductors in the associated connections transmit
information electrically at different potentials referenced to
ground.
,BICSI Technician- Netcom - Chapter 1
Questions and Answers (Latest Update
2024)
__________ current has a rapid increase and decrease of the
voltage that cannot be perceived by the eye. - Correct
Answer ✅Alternating or AC
__________ refers to a steady value that does not change the
polarity of the voltage for the direction of the current. -
Correct Answer ✅Direct current or DC
A battery is an example of a _____ source. - Correct Answer
✅Direct current or DC
EMI - Correct Answer ✅Electromagnetic interference
EM I can be __________ or __________ to the cable - Correct
Answer ✅External or internal
AXT - Correct Answer ✅Alien crosstalk
,BICSI Technician- Netcom - Chapter 1
Questions and Answers (Latest Update
2024)
What is alien crosstalk? - Correct Answer ✅Other cables,
external to the cable, that cause electromagnetic
interference.
Five examples of external EMI - Correct Answer ✅Other
cables, motors, fluorescent lighting, switching power
supplies, powered radio equipment and antennas
Crosstalk definition - Correct Answer ✅Electromagnetic
interference, internal to the cable , that comes from another
pair within the sheath
Two examples of internal electromagnetic interference -
Correct Answer ✅Cross talk or coming from the cables
shield, screen, or other metallic component that is improperly
bonded and grounded
Net current fields we can directly with __________ - Correct
Answer ✅Distance
, BICSI Technician- Netcom - Chapter 1
Questions and Answers (Latest Update
2024)
High-current fields weekend with - Correct Answer ✅the
cube of the distance (fast)
Shielding is ineffective for __________ but is effective for
__________ - Correct Answer ✅Net current fields, high-
current fields
Frequency defined - Correct Answer ✅The number of cycles
a signal is repeated in a given time period.
1 cycle in 1 s = ___ Hz - Correct Answer ✅1
60 cycles in 1 s = _____ Hz - Correct Answer ✅60
1000 cycles in 1 s = _______________ - Correct Answer ✅1
kilohertz (kHz)
1 million cycles in 1 s = _____________ - Correct Answer ✅1
megahertz (MHz)
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