Certified Technology Specialist Exam Questions And 100%
Correct Answers
Direct coupled loudspeakers are usually listed by size, frequency response, power
handling capacity, and ____. - Answer Impedance
Laptop input isn't working; interface is connected to HDMI wall plate. No connectors
appear to be damaged. Interface has been verified to receive the signal, and projector
is turned to the correct input. What would be the next step, logically, to troubleshoot this
problem? - Answer Replace the HDMI cable with a known-working cable
Bluetooth can be helpful in AV systems because it _____. Answer Allows additional
connections for control of source devices
What is the formula for finding current using Ohm's law? Answer I = V / R
What is one of the major concerns when developing an AV solution for a key historical
site? Answer Preservation of the site
Which drawings does one normally give the customer for approval in the course of
bidding the job? - Concept drawings Answer
In a digital signal, the on condition is represented by _____, and the off condition is
represented by ____. - One; zero Answer
A signal having many varied states is called a(n) _____ signal. - Analog Answer
Bit depth is defined as the number of _____ you have in which to describe the value. -
States
,Lossy compression is particularly suitable for the transmission of _______. - Audio, video
and images
What is a codec? - A device or processing system that encodes and decodes data
As noise is introduced along a(n) _____ signal path, processing circuitry can determine
whether the signal is intended to be high or low and then retransmit a solid signal
without the imposed noise. - Answer Digital
Noise overcomes the signal after many generations of re-amplification of a(n) _____
signal. - Answer Analog
How sound moves through the air is called_____. - Answer Propagation
Wavelength is the ____. - Answer: Physical distance between two points of a waveform
that are exactly one cycle apart
Which of the following does 0dB SPL describe? - Answer: The threshold of human
hearing
A "just noticeable" change in sound pressure level, either louder or softer, requires a
____ change. - Answer: +/-3dB
Acoustics encompasses how sound is ____, and its ____ and ____. - Answer: Produced;
propagation; control
Numerous, lingering reflections of sound are known as _____. - Answer Reverberation
Ambient noise is sound that _____ the desired message or signal. - Answer Ambient
noise is sound that interferes with the desired message or signal.
, The audio signal ultimately lands in a(n) _____ before being transformed into acoustical
energy. - Answer The audio signal ultimately lands in an output device before being
transformed into acoustical energy.
Strength is the term for the magnitude of the electrical audio signal from a microphone
and is called a(n) _____ -level signal. Answer The strength of the electrical audio signal
from a microphone is called a mic-level signal
Phantom power is the _____ required to power a condenser microphone. Answer
Remote power
Typically, what type of connector finishes the shielded twisted-pair cable? Answer XLR
The use of several wireless microphone systems simultaneously necessitates ____. -
Answer Frequency coordination
When the technician makes an adjustment to the level of a signal, it is referred to as
_____. - Answer Gain adjustment
In the chain of the audio system, the amplifier is followed immediately by _____. - Answer
The loudspeakers
What is a crossover? - Answer A crossover refers to an electrical frequency-dividing
network circuit.
Classifications of electromagnetic radiation are based on _____. - Answer Wavelength
Generally, a _____ measurement of incident light is taken at a task area such as a video
screen. - Answer Lux
Correct Answers
Direct coupled loudspeakers are usually listed by size, frequency response, power
handling capacity, and ____. - Answer Impedance
Laptop input isn't working; interface is connected to HDMI wall plate. No connectors
appear to be damaged. Interface has been verified to receive the signal, and projector
is turned to the correct input. What would be the next step, logically, to troubleshoot this
problem? - Answer Replace the HDMI cable with a known-working cable
Bluetooth can be helpful in AV systems because it _____. Answer Allows additional
connections for control of source devices
What is the formula for finding current using Ohm's law? Answer I = V / R
What is one of the major concerns when developing an AV solution for a key historical
site? Answer Preservation of the site
Which drawings does one normally give the customer for approval in the course of
bidding the job? - Concept drawings Answer
In a digital signal, the on condition is represented by _____, and the off condition is
represented by ____. - One; zero Answer
A signal having many varied states is called a(n) _____ signal. - Analog Answer
Bit depth is defined as the number of _____ you have in which to describe the value. -
States
,Lossy compression is particularly suitable for the transmission of _______. - Audio, video
and images
What is a codec? - A device or processing system that encodes and decodes data
As noise is introduced along a(n) _____ signal path, processing circuitry can determine
whether the signal is intended to be high or low and then retransmit a solid signal
without the imposed noise. - Answer Digital
Noise overcomes the signal after many generations of re-amplification of a(n) _____
signal. - Answer Analog
How sound moves through the air is called_____. - Answer Propagation
Wavelength is the ____. - Answer: Physical distance between two points of a waveform
that are exactly one cycle apart
Which of the following does 0dB SPL describe? - Answer: The threshold of human
hearing
A "just noticeable" change in sound pressure level, either louder or softer, requires a
____ change. - Answer: +/-3dB
Acoustics encompasses how sound is ____, and its ____ and ____. - Answer: Produced;
propagation; control
Numerous, lingering reflections of sound are known as _____. - Answer Reverberation
Ambient noise is sound that _____ the desired message or signal. - Answer Ambient
noise is sound that interferes with the desired message or signal.
, The audio signal ultimately lands in a(n) _____ before being transformed into acoustical
energy. - Answer The audio signal ultimately lands in an output device before being
transformed into acoustical energy.
Strength is the term for the magnitude of the electrical audio signal from a microphone
and is called a(n) _____ -level signal. Answer The strength of the electrical audio signal
from a microphone is called a mic-level signal
Phantom power is the _____ required to power a condenser microphone. Answer
Remote power
Typically, what type of connector finishes the shielded twisted-pair cable? Answer XLR
The use of several wireless microphone systems simultaneously necessitates ____. -
Answer Frequency coordination
When the technician makes an adjustment to the level of a signal, it is referred to as
_____. - Answer Gain adjustment
In the chain of the audio system, the amplifier is followed immediately by _____. - Answer
The loudspeakers
What is a crossover? - Answer A crossover refers to an electrical frequency-dividing
network circuit.
Classifications of electromagnetic radiation are based on _____. - Answer Wavelength
Generally, a _____ measurement of incident light is taken at a task area such as a video
screen. - Answer Lux
