,What type of cable is pictured below?
A. Coaxial
B. Electrical
C. Fiber optic
D. Twisted pair
Correct answer: D. Twisted pair
What is the purpose of a wall wash in a three-point lighting system?
A. It fills in shadows cast by other lights
B. It is the brightest light on the subject
C. It lights the background and adds depth
D. It creates an outline around the subject to separate it from the background
Correct answer: C. It lights the background and adds depth
Which of the following statements about automatic mixers in audio applications is true?
A. They only work for program audio applications, such as music
B. They can only adjust one channel at a time
C. They are used for speech applications, such as meetings
D. They require live personnel for operation
Correct answer: C. They are used for speech applications, such as meetings
A diversity receiver uses a pair of antennas to:
A. Cancel noise from electromagnetic interference during signal transport
B. Detect very high frequency radio waves
C. Receive signals from two frequencies at once
D. Select the strongest or most direct RF signal over reflections of the same signal
Correct answer: D. Select the strongest or most direct RF signal over reflections of the same
signal
If the start frequency is 6 MHz and the end frequency is 18 MHz, what is the bandwidth?
A. 12 MHz
,B. 18 MHz
C. 24 MHz
D. 6 MHz
Correct answer: A. 12 MHz
An audio system’s power amplifier should be turned on:
A. After turning the power amplifier outputs to their maximum settings
B. After checking the audio signal level at every gain stage of the system
C. After checking the audio signal level at the mixer, but before making adjustments to the
microphone preamplifiers
D. Before checking any audio signal levels in the system
Correct answer: B. After checking the audio signal level at every gain stage of the system
The relationship between current and resistance is always:
A. Based upon available power
B. Inversely proportional
C. Linear
D. Equal
Correct answer: B. Inversely proportional
The area of illumination increases four times when the distance between the light source and the
illuminated area is:
A. Tripled
B. Quadrupled
C. Doubled
D. Halved
Correct answer: C. Doubled
A _____ connects different types of networks.
A. Network interface card
B. Bridge
C. Switch
D. Hub
Correct answer: B. Bridge
Which of the following is the hardware address of a device connected to a network?
A. MAC
, B. Subnet mask
C. Gateway
D. IP
Correct answer: A. MAC
What is a mirror-like image of sound energy that reflects most energy back in a single direction?
A. Reverberation
B. Refracted reflection
C. Specular reflection
D. Transmission
Correct answer: C. Specular reflection
The R, G, and B video signals in an analog computer display output are typically:
A. Kept separate in order to preserve the best quality
B. Combined into a composite video signal
C. Transmitted as radio waves
D. Transmitted as IP packets
Correct answer: A. Kept separate in order to preserve the best quality
A _____ server keeps track of all the equipment that is on your network and assigns the
equipment names so you can easily connect to them.
A. MAC
B. Gateway
C. DHCP
D. DNS
Correct answer: D. DNS
What is a macro in a control system?
A. A group of functions activated by a single control input
B. A control system programming language
C. A special type of control hardware
D. A type of system interface
Correct answer: A. A group of functions activated by a single control input
A. Coaxial
B. Electrical
C. Fiber optic
D. Twisted pair
Correct answer: D. Twisted pair
What is the purpose of a wall wash in a three-point lighting system?
A. It fills in shadows cast by other lights
B. It is the brightest light on the subject
C. It lights the background and adds depth
D. It creates an outline around the subject to separate it from the background
Correct answer: C. It lights the background and adds depth
Which of the following statements about automatic mixers in audio applications is true?
A. They only work for program audio applications, such as music
B. They can only adjust one channel at a time
C. They are used for speech applications, such as meetings
D. They require live personnel for operation
Correct answer: C. They are used for speech applications, such as meetings
A diversity receiver uses a pair of antennas to:
A. Cancel noise from electromagnetic interference during signal transport
B. Detect very high frequency radio waves
C. Receive signals from two frequencies at once
D. Select the strongest or most direct RF signal over reflections of the same signal
Correct answer: D. Select the strongest or most direct RF signal over reflections of the same
signal
If the start frequency is 6 MHz and the end frequency is 18 MHz, what is the bandwidth?
A. 12 MHz
,B. 18 MHz
C. 24 MHz
D. 6 MHz
Correct answer: A. 12 MHz
An audio system’s power amplifier should be turned on:
A. After turning the power amplifier outputs to their maximum settings
B. After checking the audio signal level at every gain stage of the system
C. After checking the audio signal level at the mixer, but before making adjustments to the
microphone preamplifiers
D. Before checking any audio signal levels in the system
Correct answer: B. After checking the audio signal level at every gain stage of the system
The relationship between current and resistance is always:
A. Based upon available power
B. Inversely proportional
C. Linear
D. Equal
Correct answer: B. Inversely proportional
The area of illumination increases four times when the distance between the light source and the
illuminated area is:
A. Tripled
B. Quadrupled
C. Doubled
D. Halved
Correct answer: C. Doubled
A _____ connects different types of networks.
A. Network interface card
B. Bridge
C. Switch
D. Hub
Correct answer: B. Bridge
Which of the following is the hardware address of a device connected to a network?
A. MAC
, B. Subnet mask
C. Gateway
D. IP
Correct answer: A. MAC
What is a mirror-like image of sound energy that reflects most energy back in a single direction?
A. Reverberation
B. Refracted reflection
C. Specular reflection
D. Transmission
Correct answer: C. Specular reflection
The R, G, and B video signals in an analog computer display output are typically:
A. Kept separate in order to preserve the best quality
B. Combined into a composite video signal
C. Transmitted as radio waves
D. Transmitted as IP packets
Correct answer: A. Kept separate in order to preserve the best quality
A _____ server keeps track of all the equipment that is on your network and assigns the
equipment names so you can easily connect to them.
A. MAC
B. Gateway
C. DHCP
D. DNS
Correct answer: D. DNS
What is a macro in a control system?
A. A group of functions activated by a single control input
B. A control system programming language
C. A special type of control hardware
D. A type of system interface
Correct answer: A. A group of functions activated by a single control input
