VDV Audio/Video Systems Installation

Question 1

What cable type is commonly used for HDMI installations?

Accepted Answer

HDMI

Answer

Coax

Answer

Ethernet

Answer

VGA

Question 2

What is the main advantage of using balanced audio cables?

Accepted Answer

They cancel noise

Answer

They are cheaper

Answer

They are wireless

Answer

They boost volume

Question 3

Which connector type is used for professional audio equipment?

Accepted Answer

XLR

Answer

HDMI

Answer

RCA

Answer

RJ11

Question 4

Why is impedance matching important in AV systems?

Accepted Answer

Prevents signal loss

Answer

Prevents overheating

Answer

Reduces price

Answer

Extends warranty

Question 5

Which standard defines 4K video resolution?

Accepted Answer

2160p

Answer

720p

Answer

1080p

Answer

480p

Question 6

What device distributes a single video source to multiple displays?

Accepted Answer

Splitter

Answer

Compressor

Answer

Repeater

Answer

Decoder

Question 7

What is keystone correction in projectors?

Accepted Answer

Angle image correction

Answer

Volume balancing

Answer

Color enhancement

Answer

Zoom control

Question 8

Which installation step ensures speakers are wired in phase?

Accepted Answer

Wire shortening

Answer

Polarity check

Answer

Signal boosting

Answer

Mounting height

Question 9

What device combines multiple audio signals?

Accepted Answer

Audio mixer

Answer

Amplifier

Answer

Tuner

Answer

Preamp