AVIXA Recognized AV Technologist Test with answers

AVIXA Recognized AV Technologist Test with
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answers

A signal transmitted at the proper level will _____ over
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distance.
decrease in signal strength or amplitude
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pick up additional harmonics to the fundamental
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frequency
decrease in signal frequency |\ |\ |\




maintain signal level - CORRECT ANSWERS ✔✔decrease in
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signal strength or amplitude
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If voltage stayed the same and current increased,
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resistance would have _____. |\ |\ |\




increased
stayed the same |\ |\




reversd polarity |\




decreased - CORRECT ANSWERS ✔✔decreased |\ |\ |\ |\




Which of the following display technologies are
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transmissive?
Virtual reality headsets
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Interactive whiteboards |\




LCD

,LED - CORRECT ANSWERS ✔✔LCD
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What is the purpose of a wall wash in a three-point
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lighting system? |\




It fills in shadows cast by other lights
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It is the brightest light on the subject
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It lights the background and adds depth
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It creates an outline around the subject to separate it
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from the background - CORRECT ANSWERS ✔✔It lights the
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background and adds depth
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What does a sightline study determine?
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to determine room size
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to determine how many people should be in a room while
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observing a display |\ |\




to determine table and chair spacing
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to determine the most appropriate seating layout and
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screen position - CORRECT ANSWERS ✔✔to determine the
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most appropriate seating layout and screen position
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Lower sensitivity microphones may be used in order to
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_____.
reduce the energy consumption of an audio system
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save money in applications where audio is unimportant
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capture low sound pressure level sources, such as a soft-
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spoken presenter |\

,capture high sound pressure level sources, such as a
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singer - CORRECT ANSWERS ✔✔capture high sound
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pressure level sources, such as a singer
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What is the definition of "frequency?"
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the cycle when molecules move from rest through
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compression to rest to rarefaction |\ |\ |\ |\




the physical distance between two points of a waveform
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the number of times a complete cycle occurs per second
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the intensity or loudness of a sound in a particular
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medium - CORRECT ANSWERS ✔✔the number of times a
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complete cycle occurs per second |\ |\ |\ |\




Which of the following statements about automatic
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mixers in audio applications is true?
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They are used for speech applications, such as meetings.
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They only work for program audio applications, such as
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music.
They can only adjust one channel at a time.
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They require live personnel for operation. - CORRECT
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ANSWERS ✔✔They are used for speech applications, such
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as meetings.
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What type of wave has the highest frequency in the range
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of the electromagnetic spectrum?
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ultraviolet
infrared

, microwaves
radio frequencies - CORRECT ANSWERS ✔✔ultraviolet
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The dimensions of antennas used for RF transmission are
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directly related to the _____.
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carrier frequency |\




retransmit location |\




program content |\




height of the antenna above the ground - CORRECT
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ANSWERS ✔✔carrier frequency |\ |\




The R, G, and B video signals in an analog computer
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display output are typically ____.
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combined into a composite video signal |\ |\ |\ |\ |\




kept separate in order to preserve the best quality
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transmitted as radio waves |\ |\ |\




transmitted as IP packets - CORRECT ANSWERS ✔✔kept |\ |\ |\ |\ |\ |\ |\ |\


separate in order to preserve the best quality
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What is an advantage for using IPv6 over IPv4?
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IPv6 addresses are easier to remember than IPv4
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addresses.
IPv6 has more available addresses than IPv4.
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IPv6 is more widely used than IPv4.
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