QUESTIONS AND CORRECT
ANSWERS
True or False: The Cable Cubby Series/2 enclosures do NOT accommodate Extron patented, variable-
speed cable retraction modules for AV cables. ANSW✅✅TRUE
Which of the following uses a standard RJ-45 modular connector for twisted pair cable?
ANSW✅✅HDBaseT
Which of the following does NOT contain additional shielding like meshes or aluminum foil?
ANSW✅✅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?
ANSW✅✅Attenuation
Which of the following contributes to the impedance of a cable? ANSW✅✅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? ANSW✅✅Braided Shield
Which of the following core conductors is made of one single wire and generally provides excellent
conductivity? ANSW✅✅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?
ANSW✅✅Commissioning
Which of the following is the delivery of content in real-time as events happen? ANSW✅✅Live
Content
Which of the following streaming functions analyzes, de-compresses, and reconstructs the received
packets, and delivers the signal to the end-point? ANSW✅✅Decode
, Which of the following types of compression refers to the loss of data when an approximation of the
original image is reconstructed? ANSW✅✅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? ANSW✅✅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? ANSW✅✅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?
ANSW✅✅Streaming
An acceptable viewing experience for consumer purposes may not meet the needs of professional
applications. ANSW✅✅TRUE
Which of the following describes the relationship of width and height of an image?
ANSW✅✅ASPECT RATIO
Which of the following measures an image's width and height? ANSW✅✅RESOLUTION
Which of the following consists of thin organic layers between two conductors (transparent anode
and metallic cathode) that convert electric into light? ANSW✅✅OLED
Which of the following is a reflective surface made up of thousnads of tiny mirrors, each
representing a single pixel? ANSW✅✅DLP
Which of the following is the smallest component of a screen image, composed of indivisual Red,
Green, and Blue - RGB primary colors? ANSW✅✅PIXELS
Intelace scanning may be described as: ANSW✅✅Images drawn in two atternate fields of odd &
even numbered lines.