EXTRON AV STUDY GUIDE EXPECTED QUESTIONS WITH
VERIFIED ANSWERS
Question 1.
Which of the following is a measurement, in decibels (dB), of the amount of any reduction in signal
strength, or loss, due to the natural consequence of transmission over long distance?
ANSWER
Attenuation
Question 2.
Which of the following defines the science or study of sound, how it's created, its ability to travel within
a space, and the way it's managed?
ANSWER
Acoustics
Question 3.
Which of the following is used for connecting peripheral devices (keyboard, mouse) to computers, as
well as for power to charge portable devices?
ANSWER
USB
Question 4.
The human eye can differentiate individual picture frames at which of the following rates?
ANSWER
10-12 frames per second
Question 5.
Which of the following is an example of dropping the sound levels for background music, to focus the
audio on an important voice-over announcement?
ANSWER
Ducking
,Question 6.
Which of the following core conductors is made of one single wire and generally provides excellent
conductivity?
ANSWER
SOLID
Question 7.
Which of the following are protection methods for fiber optic cable?
ANSWER
Loose Tube and Tight Buffered
Question 8.
Which of the following is a device or program with technologies that compresses a signal for more
efficient transmission, then decompresses it for viewing or editing?
ANSWER
codec
Question 9.
Which of the following are mountable metal plates that provide AV connectors for audio, video, phone,
data, power, and control?
ANSWER
AAPs and MAAPs
Question 10.
Which one of the following phases of a control project do the AV installers and the control system
designers coordinate to test the functionality of the AV system, both hardware and software?
ANSWER
Commissioning
Question 11.
Which of the following does NOT contain additional shielding like meshes or aluminum foil?
ANSWER
STP
, Question 12.
Which one of the following is caused when a light wave of a given frequency strikes a material with a
molecular structure of the same frequency, converting light energy into heat as it interacts with the
material?
ANSWER
absorption
Question 13.
Which one of the following consists of thin organic layers between two conductors (transparent anode
and metallic cathode) that convert electric current into light?
ANSWER
OLED
Question 14.
Which of the following has an easy-to-use button interface for handling simple AV functions over a
standard Ethernet network?
ANSWER
MediaLink Plus Series Controllers
Question 15.
Which of the following network topologies daisy-chains the devices to a common medium where
information travels along a backbone?
ANSWER
Bus Topology
Question 16.
When the angle at which light strikes the cladding is low enough, what occurs when all of the light is
reflected back into the core?
ANSWER
Total Internal Reflection
VERIFIED ANSWERS
Question 1.
Which of the following is a measurement, in decibels (dB), of the amount of any reduction in signal
strength, or loss, due to the natural consequence of transmission over long distance?
ANSWER
Attenuation
Question 2.
Which of the following defines the science or study of sound, how it's created, its ability to travel within
a space, and the way it's managed?
ANSWER
Acoustics
Question 3.
Which of the following is used for connecting peripheral devices (keyboard, mouse) to computers, as
well as for power to charge portable devices?
ANSWER
USB
Question 4.
The human eye can differentiate individual picture frames at which of the following rates?
ANSWER
10-12 frames per second
Question 5.
Which of the following is an example of dropping the sound levels for background music, to focus the
audio on an important voice-over announcement?
ANSWER
Ducking
,Question 6.
Which of the following core conductors is made of one single wire and generally provides excellent
conductivity?
ANSWER
SOLID
Question 7.
Which of the following are protection methods for fiber optic cable?
ANSWER
Loose Tube and Tight Buffered
Question 8.
Which of the following is a device or program with technologies that compresses a signal for more
efficient transmission, then decompresses it for viewing or editing?
ANSWER
codec
Question 9.
Which of the following are mountable metal plates that provide AV connectors for audio, video, phone,
data, power, and control?
ANSWER
AAPs and MAAPs
Question 10.
Which one of the following phases of a control project do the AV installers and the control system
designers coordinate to test the functionality of the AV system, both hardware and software?
ANSWER
Commissioning
Question 11.
Which of the following does NOT contain additional shielding like meshes or aluminum foil?
ANSWER
STP
, Question 12.
Which one of the following is caused when a light wave of a given frequency strikes a material with a
molecular structure of the same frequency, converting light energy into heat as it interacts with the
material?
ANSWER
absorption
Question 13.
Which one of the following consists of thin organic layers between two conductors (transparent anode
and metallic cathode) that convert electric current into light?
ANSWER
OLED
Question 14.
Which of the following has an easy-to-use button interface for handling simple AV functions over a
standard Ethernet network?
ANSWER
MediaLink Plus Series Controllers
Question 15.
Which of the following network topologies daisy-chains the devices to a common medium where
information travels along a backbone?
ANSWER
Bus Topology
Question 16.
When the angle at which light strikes the cladding is low enough, what occurs when all of the light is
reflected back into the core?
ANSWER
Total Internal Reflection
