Professionalism Accurate Answer - the competence or skill expected of
a professional (How you look, sound, and feel)
Actions of a professional Accurate Answer - Refrain from acts that
cause background checks, time management, avoid arguments, park
appropriot, do not steal time
Principle of transmission Accurate Answer - The movement of
information in either analog or digital form through copper conductors and
fiber strands
AC Accurate Answer - Alternating current
Analog signal Accurate Answer - A signal in the form of a wave using
continuous variations of physical characteristics (constant voltage)
Bandwidth Accurate Answer - A range of frequencies available for
signaling expressed in hertz (potential capacity of signals traveling at once)
Bel Accurate Answer - A ratio for analog signal strength (10 dBs)
Current (I) Accurate Answer - The flow of electrons in a conductor
(Amps)
Decibel (dB) Accurate Answer - A ratio for analog signal strength
(1/10 BEL)
DC Accurate Answer - Direct current
Digital signal Accurate Answer - Signal in the form of sequences of
discrete pulses (binary signal)
EMI Accurate Answer - Electromagnetic interference
,Frequency Accurate Answer - The number of cycles that a signal
completes in a given time
Hertz (Hz) Accurate Answer - standard for measurement used for
measuring frequency in cycles per second. (60 Hz = 60 completed cycles per
second)
Power (P) Accurate Answer - The amount of energy transferred per
unit time required to operate a device
Volt (V) Accurate Answer - A unit of measurement for electromotive
force
Copper cabling Accurate Answer - Most common media for data
transmission. Data is transmitted as electrical pulses. (Cat 5, Cat 5e, Cat 6)
Attenuation Accurate Answer - The loss or weakening of a signal
between two point expressed in dBs (a ratio of signal sent and signal
received)
AWG Accurate Answer - American wire gauge
Balanced twisted pair Accurate Answer - A type of wiring where a pair
of conductors continually twist inside the cable to reduce or eliminate the
possibility of EMI from other conductors in the cable (blue and blue white will
be twisted together)
Capacitance Accurate Answer - the ability of a conductor to store
electrical energy
coaxial cable Accurate Answer - Cabling with a central metallic inner
conductor and a separated enclosed outer conductor by a dielectric material
like a metallic braid
Crosstalk Accurate Answer - Unwanted transfer of a signals
electromagnetic energy (blue interfering with orange)
Impedance (Z) Accurate Answer - The total opposition that a circuit
cable or compound offers to the flow of altering current (measured in ohms)
,Inductance Accurate Answer - The property of an electrical force field
built around a conductor when current flows through it
Insertion loss Accurate Answer - The signal loss resulting from the
insertion of a component (attenuation when a new signal is transmitted)
NVP Accurate Answer - Nominal velocity of propagation (coefficient
used to determine the speed of transmission relative to the speed of light)
Ohm (R) Accurate Answer - The measure of electrical resistance
Ohms law Accurate Answer - The mathematical relationship among
electrical current resistance and voltage
Ohms law formula Accurate Answer - V
I|R
Resistance Accurate Answer - A measurement of opposition a material
offers to the flow of direct current (measured in ohms)
Return loss Accurate Answer - A ratio of the power of the outgoing
signal to the power of the reflected signal
USOC Accurate Answer - Universal service order code
Optical fiber cabling Accurate Answer - Transmits data modulated as
light pulses
The advantages of fiber Accurate Answer - Fiber has greater
bandwidth, can carry signals over greater distances, and less susceptible to
EMI
Attenuation Accurate Answer - The loss or weakening of a signal
between two point expressed in dBs (a ratio of signal sent and signal
received)
Bandwidth Accurate Answer - A range of frequencies available for
signaling expressed in hertz (potential capacity of signals traveling at once)
, Cable loss Accurate Answer - The attenuation of a signal as it passes
through optical fiber cable
Cladding Accurate Answer - The outer concentric glass layer that
surrounds the fibers core and has a lower index of refraction
Dispersion Accurate Answer - The loss of signal resulting from the
scattering of light pulses (The widening or spreading out of the modes)
Ferrule Accurate Answer - The alignment sleeve portion of an optical
connector
FC Accurate Answer - Fiber connector
Furcating harness Accurate Answer - And assembly used to increase
the effective outer diameter of strands (also called a fan out)
Insertion loss Accurate Answer - The signal loss resulting from the
insertion of a component (attenuation when a new signal is transmitted)
LC Connector Accurate Answer - Lucent Connector A SFF Single fiber
connector used for termination of both multi mode and single mode (most
common)
Multimode optical fiber Accurate Answer - Wave guide that allows
many bound modes to propagate (typically used for short distances)
Optical fiber Accurate Answer - The transmission of media using thin
glass to transmit signal via light pulses
SFF Accurate Answer - Small Form Factor (physical fiber connectors
and adapters)
SC Accurate Answer - Subscriber connector
Optical fiber color codes Accurate Answer - Blue orange green brown
slate white red black yellow violet rose aqua