Exam (elaborations)
EXTRON AV STUDY GUIDE EXAM 2024
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EXTRON AV STUDY GUIDE EXAM 2024...
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EXTRON AV STUDY GUIDE EXAM 2024Which of the following describes the relationship of width and height
of an image? - ANSWER ASPECT RATIO
Which of the following measures an image's width and height? -
ANSWER RESOLUTION
Which of the following consists of thin organic layers between two
conductors (transparent anode and metallic cathode) that convert
electric into light? - ANSWER OLED
Which of the following is a reflective surface made up of thousnads of
tiny mirrors, each representing a single pixel? - ANSWER DLP
Which of the following is the smallest component of a screen image,
composed of indivisual Red, Green, and Blue - RGB primary colors? -
ANSWER PIXELS
Intelace scanning may be described as: - ANSWER Images drawn
in two atternate fields of odd & even numbered lines.
Which one of the following indicated the amount of data used per
pixel to presen color information? - ANSWER Color Bit Depth
Which of the following is a digital transmission interface for
uncompressed video, muti-chanel audio, and control data that also
supports High-bandwith Digital Content Protection - HDCP? -
ANSWER HDMI
Which one of the following digital broadcast standards is adopted in
Europe, Asia and Africa? - ANSWER DVB
DVI and HDMI both use a signaling method known as: - ANSWER
TMDS
Which of the following are mountable metal plates that provide AV
,connectors for audio, video, phone, data, power, and control? -
ANSWER AAPs and MAAPs
True or False: The Cable Cubby Series/2 enclosures do NOT
accommodate Extron patented, variable-speed cable retraction
modules for AV cables. - ANSWER TRUE
Which of the following uses a standard RJ-45 modular connector for
twisted pair cable? - ANSWER HDBaseT
Which of the following does NOT contain additional shielding like
meshes or aluminum foil? - ANSWER STP
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
Which of the following contributes to the impedance of a cable? -
ANSWER All of the above
Which of the following cable shielding methods has many fine strands
of material woven together that encompasses the insulation of the
cable? - ANSWER Braided Shield
Which of the following core conductors is made of one single wire
and generally provides excellent conductivity? - ANSWER SOLID
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
Which of the following is the delivery of content in real-time as events
happen? - ANSWER Live Content
Which of the following streaming functions analyzes, de-compresses,
and reconstructs the received packets, and delivers the signal to the
end-point? - ANSWER Decode
, Which of the following types of compression refers to the loss of data
when an approximation of the original image is reconstructed? -
ANSWER Lossy compression
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
Which of the following describes the amount of delay, or the time it
takes for video and audio to be delivered from the source to the
destination? - ANSWER Latency
Which one of the following is a method of transporting media content
over a network as a steady, continuous flow, allowing playback to
proceed while subsequent data is received? - ANSWER Streaming
An acceptable viewing experience for consumer purposes may not
meet the needs of professional applications. - ANSWER TRUE
Which one of the following works to reverse the first two phases of
the streaming process, reconstruct the signal, and deliver it to the
end-point? - ANSWER Decode
Which one of the following compression methods is referred to as
Intra-Frame compression? - ANSWER Spatial Compression
Which one of the following defines addressing methods and
structures for datagram encapsulation that allows the delivery of
packets from a source to a destination? - ANSWER IP
Which one of the following is in different geographical locations and
provides communication to smaller networks using routers and
switches? - ANSWER WAN
Which one of the following is a set of rules, procedures, and formats,
defined in seven levels, or layers? - ANSWER OSI Refrence Model
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