Exam (elaborations)
EXTRON AV ASSOCIATE FINAL EXAM QUESTIONS AND CORRECT ANSWERS
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EXTRON AV ASSOCIATE FINAL EXAM QUESTIONS AND CORRECT ANSWERS...
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The rate at which vibrations repeat is termed ANSWER Frequency.Amplitude is the amount of energy carried by a sound wave.
ANSWER Mic Level is the low voltage level that comes out of a microphone
when someone talks into it.
Unbalanced cables have two conductor wires: one for the audio signal (hot) and
one for the ground.
Contains two distinct channels for left and right audio, giving the sensation of
listening from several directions. - ANSWER Stereo Signals
When a microphone signal enters a mixer, what is employed to set the input
level of the audio-gain?
What is designed to capture spoken words limited to the speaker, frequently
found on podiums, in conference rooms, and boardrooms? Gooseneck
Microphone
An omnidirectional microphone pickup pattern covers 360 degrees.
What is the file type of the Moving Picture Experts Group 1, Audio Layer 3
encoding technology? - ANSWER MP3
Allows users on a less secure network to send and receive data through a secure
connection by extending a private network across the internet.
, What is available on various Extron Pro Series control processors for
connectivity to externally supported devices such as TouchLink Pro touchpanels
and user interfaces? - Answer: AV LAN Port.
Manually configured as a fixed address for a device that does not change -
Static IP Address.
Can be used as an intermediary router for subnet when an IP address is not
within the network. - ANSWER Default Gateway
Which layer of the OSI model performs error detection with CRC checksums
and flow control on a local network? ANSWER: Data Link Layer 2.
What layer of the OSI model allows different operating systems to
communicate with each other on a network? ANSWER: Presentation Layer 6.
Interlaced scanning can be defined as: ANSWER Images drawn in two alternate
fields as odd and even numbered lines.
Indicates the amount of data utilized per pixel to display color information -
ANSWER: Color bit depth
A data transfer interface for uncompressed video, multi-channel audio, and
control data, which also offers high-bandwidth digital content protection HDCP
- HDMI High Definition Multimedia Interface
Digital broadcasting standards implemented throughout Europe, Asia, and
Africa. - Answer: DVB (Digital Video Broadcasting).
DVI and HDMI both use a communication mechanism known as ANSWER
TMDS Transmission-Minimized Differential communication.
The science or study of sound: how it is made, how it travels across space, and
how it is handled. - ANSWER Acoustics.
Decibel (dB) is a logarithmic ratio used to measure the change in sound
intensity or electrical impulses.
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