AVIXA Recognized AV Technologist Test
A signal transmitted at the proper level will _____ over distance.
decrease in signal strength or amplitude
pick up additional harmonics to the fundamental frequency
decrease in signal frequency
maintain signal level - Answers -decrease in signal strength or amplitude
If voltage stayed the same and current increased, resistance would have _____.
increased
stayed the same
reversd polarity
decreased - Answers -decreased
Which of the following display technologies are transmissive?
Virtual reality headsets
Interactive whiteboards
LCD
LED - Answers -LCD
What is the purpose of a wall wash in a three-point lighting system?
It fills in shadows cast by other lights
It is the brightest light on the subject
It lights the background and adds depth
It creates an outline around the subject to separate it from the background - Answers -It
lights the background and adds depth
Which audio signal has a nominal level of 1 volt?
microphone level
loudspeaker level
professional line level
consumer line level - Answers -professional line level
Which of the following is a role of the DHCP server?
enabling the network's ability to transmit bandwidth
moving packets across the network
assigning MAC addresses
ensuring that no two devices receive the same IP address - Answers -ensuring that no
two devices receive the same IP address
What does a sightline study determine?
to determine room size
to determine how many people should be in a room while observing a display
to determine table and chair spacing
, to determine the most appropriate seating layout and screen position - Answers -to
determine the most appropriate seating layout and screen position
Lower sensitivity microphones may be used in order to _____.
reduce the energy consumption of an audio system
save money in applications where audio is unimportant
capture low sound pressure level sources, such as a soft-spoken presenter
capture high sound pressure level sources, such as a singer - Answers -capture high
sound pressure level sources, such as a singer
What is the definition of "frequency?"
the cycle when molecules move from rest through compression to rest to rarefaction
the physical distance between two points of a waveform
the number of times a complete cycle occurs per second
the intensity or loudness of a sound in a particular medium - Answers -the number of
times a complete cycle occurs per second
Which of the following statements about automatic mixers in audio applications is true?
They are used for speech applications, such as meetings.
They only work for program audio applications, such as music.
They can only adjust one channel at a time.
They require live personnel for operation. - Answers -They are used for speech
applications, such as meetings.
What type of wave has the highest frequency in the range of the electromagnetic
spectrum?
ultraviolet
infrared
microwaves
radio frequencies - Answers -ultraviolet
The dimensions of antennas used for RF transmission are directly related to the _____.
carrier frequency
retransmit location
program content
height of the antenna above the ground - Answers -carrier frequency
The R, G, and B video signals in an analog computer display output are typically ____.
combined into a composite video signal
kept separate in order to preserve the best quality
transmitted as radio waves
transmitted as IP packets - Answers -kept separate in order to preserve the best quality
What is an advantage for using IPv6 over IPv4?
IPv6 addresses are easier to remember than IPv4 addresses.
IPv6 has more available addresses than IPv4.
A signal transmitted at the proper level will _____ over distance.
decrease in signal strength or amplitude
pick up additional harmonics to the fundamental frequency
decrease in signal frequency
maintain signal level - Answers -decrease in signal strength or amplitude
If voltage stayed the same and current increased, resistance would have _____.
increased
stayed the same
reversd polarity
decreased - Answers -decreased
Which of the following display technologies are transmissive?
Virtual reality headsets
Interactive whiteboards
LCD
LED - Answers -LCD
What is the purpose of a wall wash in a three-point lighting system?
It fills in shadows cast by other lights
It is the brightest light on the subject
It lights the background and adds depth
It creates an outline around the subject to separate it from the background - Answers -It
lights the background and adds depth
Which audio signal has a nominal level of 1 volt?
microphone level
loudspeaker level
professional line level
consumer line level - Answers -professional line level
Which of the following is a role of the DHCP server?
enabling the network's ability to transmit bandwidth
moving packets across the network
assigning MAC addresses
ensuring that no two devices receive the same IP address - Answers -ensuring that no
two devices receive the same IP address
What does a sightline study determine?
to determine room size
to determine how many people should be in a room while observing a display
to determine table and chair spacing
, to determine the most appropriate seating layout and screen position - Answers -to
determine the most appropriate seating layout and screen position
Lower sensitivity microphones may be used in order to _____.
reduce the energy consumption of an audio system
save money in applications where audio is unimportant
capture low sound pressure level sources, such as a soft-spoken presenter
capture high sound pressure level sources, such as a singer - Answers -capture high
sound pressure level sources, such as a singer
What is the definition of "frequency?"
the cycle when molecules move from rest through compression to rest to rarefaction
the physical distance between two points of a waveform
the number of times a complete cycle occurs per second
the intensity or loudness of a sound in a particular medium - Answers -the number of
times a complete cycle occurs per second
Which of the following statements about automatic mixers in audio applications is true?
They are used for speech applications, such as meetings.
They only work for program audio applications, such as music.
They can only adjust one channel at a time.
They require live personnel for operation. - Answers -They are used for speech
applications, such as meetings.
What type of wave has the highest frequency in the range of the electromagnetic
spectrum?
ultraviolet
infrared
microwaves
radio frequencies - Answers -ultraviolet
The dimensions of antennas used for RF transmission are directly related to the _____.
carrier frequency
retransmit location
program content
height of the antenna above the ground - Answers -carrier frequency
The R, G, and B video signals in an analog computer display output are typically ____.
combined into a composite video signal
kept separate in order to preserve the best quality
transmitted as radio waves
transmitted as IP packets - Answers -kept separate in order to preserve the best quality
What is an advantage for using IPv6 over IPv4?
IPv6 addresses are easier to remember than IPv4 addresses.
IPv6 has more available addresses than IPv4.
