INFO COMM CTS EXAM: KEY AND LATEST A+ QUESTIONS
AND ANSWERS
The measurement of color temperature is expressed in _____.
Kelvin
What does a sightline study determine?
The most appropirate seating layout and screen position.
In radio frequency transport, the program signal is added to a ____ signal before
transportation.
Carrier
Which of the following statements describes rear projection technology?
Rear projection displays provide better contrast and color saturation in high ambient
light environments than front projection displays.
Which of the following statements about automatic mixers in audio applicaitons
is true?
They are used for speech applications, such as meetings.
A gate function automatically mutes all audio signals that ____.
Fall below a set threshold.
A distribution amplifier is used to ____.
Split one input into multiple isolated outputs, each with the same signal level.
What is a circuit's bandwidth?
The range of frequencies a circuit can detect.
A string's vibration or loudspeaker cone's movement pushing air molecules
forward demonstrates how sound waves are ____.
Generated
What unit(s) are used for quantifying resistance and impedance?
Ohms are used for both resistance and impedance.
Audio signals may be purposely delayed in sounds reinforcement applications in
order to ensure that ____.
Sound will reach all listeners at the same time.
, Which of the following statements accurately describes unidirectional control
communications?
Unidirectional communication does not verify the receipt of commands.
If the resolution of an image is increased, the signal bandwidth ____.
Increases
If the color temperature is low, the light will appear to be more ____.
Red.
What type of waves has the highest frequency in the range of the electromagnetic
spectrum?
Ultraviolet
If an electronic frequency falls outside of a circuit's bandwidth, that frequency will
be ____.
Lost
For a video display that requires detailed veiwing, the position of the frarthes
viewer should be no more than ____ times the height of the display away from the
screen.
6
A light source's color temperature refers to it's ____.
Tint
If the brightness level of a display is too high, the black areas of the image will
appear ____.
Gray
RF wireless microphones typically allow the user to change ____ in order to avoid
interference from outside sources or other wireless microphones.
Frequency
What type of audio processor passes very little or no additional level when the
input exceeds the threshold level?
Limiter
What is the purpose of a wall wash in three-point lighting system?
It lights the background.
Which of the following is a role of the DHCP server?
AND ANSWERS
The measurement of color temperature is expressed in _____.
Kelvin
What does a sightline study determine?
The most appropirate seating layout and screen position.
In radio frequency transport, the program signal is added to a ____ signal before
transportation.
Carrier
Which of the following statements describes rear projection technology?
Rear projection displays provide better contrast and color saturation in high ambient
light environments than front projection displays.
Which of the following statements about automatic mixers in audio applicaitons
is true?
They are used for speech applications, such as meetings.
A gate function automatically mutes all audio signals that ____.
Fall below a set threshold.
A distribution amplifier is used to ____.
Split one input into multiple isolated outputs, each with the same signal level.
What is a circuit's bandwidth?
The range of frequencies a circuit can detect.
A string's vibration or loudspeaker cone's movement pushing air molecules
forward demonstrates how sound waves are ____.
Generated
What unit(s) are used for quantifying resistance and impedance?
Ohms are used for both resistance and impedance.
Audio signals may be purposely delayed in sounds reinforcement applications in
order to ensure that ____.
Sound will reach all listeners at the same time.
, Which of the following statements accurately describes unidirectional control
communications?
Unidirectional communication does not verify the receipt of commands.
If the resolution of an image is increased, the signal bandwidth ____.
Increases
If the color temperature is low, the light will appear to be more ____.
Red.
What type of waves has the highest frequency in the range of the electromagnetic
spectrum?
Ultraviolet
If an electronic frequency falls outside of a circuit's bandwidth, that frequency will
be ____.
Lost
For a video display that requires detailed veiwing, the position of the frarthes
viewer should be no more than ____ times the height of the display away from the
screen.
6
A light source's color temperature refers to it's ____.
Tint
If the brightness level of a display is too high, the black areas of the image will
appear ____.
Gray
RF wireless microphones typically allow the user to change ____ in order to avoid
interference from outside sources or other wireless microphones.
Frequency
What type of audio processor passes very little or no additional level when the
input exceeds the threshold level?
Limiter
What is the purpose of a wall wash in three-point lighting system?
It lights the background.
Which of the following is a role of the DHCP server?
