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Certified Technology Specialist – Design Question and Answers

Certified Technology Specialist – Design

Last Update Oct 3, 2025
Total Questions : 150

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Questions 1

Which wireless frequency band is commonly used for AV equipment communication?

Options:

A.  

2.4 GHz

B.  

5 MHz

C.  

10 GHz

D.  

1 GHz

Discussion 0
Questions 2

Which document defines responsibilities, timelines, and deliverables in an AV project?

Options:

A.  

Project management plan

B.  

User manual

C.  

Equipment list

D.  

Training schedule

Discussion 0
Questions 3

Which tool is best suited for creating detailed wiring schematics?

Options:

A.  

CAD software

B.  

Word processor

C.  

Spreadsheet

D.  

Presentation software

Discussion 0
Questions 4

What is the primary advantage of using HDMI over VGA for video signals?

Options:

A.  

HDMI supports digital signals and audio transmission, VGA does not

B.  

VGA supports higher resolutions

C.  

HDMI is cheaper

D.  

VGA supports digital audio

Discussion 0
Questions 5

Which of the following is an example of an AV control protocol?

Options:

A.  

RS-232

B.  

HTTP

C.  

FTP

D.  

SMTP

Discussion 0
Questions 6

Which standard specifies the color coding for balanced audio connectors?

Options:

A.  

AES3

B.  

RS-232

C.  

XLR pinout standards

D.  

HDMI

Discussion 0
Questions 7

Which is the best way to ensure an AV system meets client needs during the design phase?

Options:

A.  

Rely on previous project templates

B.  

Conduct detailed needs analysis and site surveys

C.  

Use default industry standards

D.  

Focus only on budget constraints

Discussion 0
Questions 8

Which standard is most commonly used for controlling lighting systems in AV installations?

Options:

A.  

TCP/IP

B.  

DMX512

C.  

HDMI

D.  

USB

Discussion 0
Questions 9

Which of the following best describes the “waterfall” method in project management?

Options:

A.  

An iterative design approach

B.  

A linear and sequential design process

C.  

A collaborative brainstorming technique

D.  

A risk management strategy

Discussion 0
Questions 10

In AV system design, what is the purpose of a “commissioning plan”?

Options:

A.  

To schedule user training sessions

B.  

To outline the testing and verification process after installation

C.  

To describe equipment warranties

D.  

To specify power requirements

Discussion 0
Questions 11

What does the term “commissioning” mean in AV system projects?

Options:

A.  

System testing, verification, and adjustment before handover

B.  

Installation of cables

C.  

Writing user manuals

D.  

User training

Discussion 0
Questions 12

What is the standard refresh rate for video in North American AV systems?

Options:

A.  

50 Hz

B.  

60 Hz

C.  

75 Hz

D.  

120 Hz

Discussion 0
Questions 13

Which is an example of an AV industry standards organization?

Options:

A.  

AVIXA

B.  

ANSI

C.  

IEEE

D.  

All of the above

Discussion 0
Questions 14

Which of the following is an important consideration when selecting a microphone for a noisy environment?

Options:

A.  

Polar pattern and sensitivity

B.  

Weight and color

C.  

Length of cable

D.  

Connector type

Discussion 0
Questions 15

What is “plenum-rated” cable used for in AV installations?

Options:

A.  

Outdoor wiring

B.  

In spaces used for air circulation with fire-resistant properties

C.  

Temporary setups

D.  

High-voltage applications

Discussion 0
Questions 16

What does the term “fire rating” refer to in AV system materials?

Options:

A.  

Resistance to heat and flame spread

B.  

Resistance to water damage

C.  

Durability under mechanical stress

D.  

Electrical conductivity

Discussion 0
Questions 17

Which of the following is a typical deliverable in the AV system design phase?

Options:

A.  

Installation checklist

B.  

System design drawings and specifications

C.  

User training manuals

D.  

Maintenance contracts

Discussion 0
Questions 18

What is “PoE” in AV system design?

Options:

A.  

Power over Ethernet, supplying power and data over a single cable

B.  

Protocol over Ethernet

C.  

Power only Ethernet

D.  

Professional output equipment

Discussion 0
Questions 19

In an AV system, what is the main benefit of using a matrix switcher?

Options:

A.  

To increase audio power

B.  

To route multiple inputs to multiple outputs flexibly

C.  

To amplify video signals

D.  

To convert signals from analog to digital

Discussion 0
Questions 20

What is the term for the space above a suspended ceiling used for air circulation and cable routing?

Options:

A.  

Plenum

B.  

Crawl space

C.  

Attic

D.  

Ductwork

Discussion 0
Questions 21

What does the acronym “ANSI” stand for in AV standards?

Options:

A.  

American National Standards Institute

B.  

Automated Network System Integration

C.  

Audio Network Standard International

D.  

Association of Networked System Installers

Discussion 0
Questions 22

Which of the following best describes a “matrix switcher”?

Options:

A.  

Device for audio mixing

B.  

Device allowing routing of multiple inputs to multiple outputs independently

C.  

Device that amplifies signals

D.  

Device converting signals from analog to digital

Discussion 0
Questions 23

Which type of connector is commonly used for digital audio over coaxial cable?

Options:

A.  

RCA

B.  

XLR

C.  

HDMI

D.  

USB

Discussion 0
Questions 24

Which of the following is an important consideration when designing an AV system for a classroom?

Options:

A.  

Brightness of displays and ease of control for instructors

B.  

Wall color

C.  

Proximity to elevators

D.  

Ceiling tile design

Discussion 0
Questions 25

Which of the following is a common method for reducing audio feedback?

Options:

A.  

Increasing microphone gain

B.  

Using equalization to notch out feedback frequencies

C.  

Placing microphones closer to speakers

D.  

Adding more amplifiers

Discussion 0
Questions 26

Which device converts video signals from one format to another?

Options:

A.  

Amplifier

B.  

Video scaler or converter

C.  

DSP

D.  

Switcher

Discussion 0
Questions 27

What does the term “gain before feedback” refer to in audio system design?

Options:

A.  

The maximum volume before distortion occurs

B.  

The maximum amplification before the system produces feedback noise

C.  

The increase in amplifier power over time

D.  

The difference between input and output signal strength

Discussion 0
Questions 28

Which of the following tools is best used to measure acoustic properties in a room?

Options:

A.  

Sound level meter

B.  

Oscilloscope

C.  

Multimeter

D.  

Signal generator

Discussion 0
Questions 29

Which type of signal transmission is least susceptible to electromagnetic interference?

Options:

A.  

Analog audio over unshielded cable

B.  

Digital video over fiber optic cable

C.  

Analog video over coaxial cable

D.  

Balanced audio over shielded cable

Discussion 0
Questions 30

Which of the following is an example of a balanced audio cable?

Options:

A.  

RCA

B.  

XLR

C.  

Coaxial

D.  

HDMI

Discussion 0
Questions 31

Which of the following is a benefit of using digital AV signals over analog?

Options:

A.  

Susceptibility to interference

B.  

Easier to amplify without distortion

C.  

Higher signal degradation over distance

D.  

Lower bandwidth requirements

Discussion 0
Questions 32

When specifying loudspeakers for a large auditorium, which characteristic is most important?

Options:

A.  

Color of the speaker enclosure

B.  

Power handling and dispersion pattern

C.  

Weight of the speaker

D.  

Brand name

Discussion 0
Questions 33

Which device converts analog video signals into digital format for processing?

Options:

A.  

Amplifier

B.  

Encoder

C.  

Switcher

D.  

Transmitter

Discussion 0
Questions 34

Which design document typically includes equipment lists, drawings, and specifications?

Options:

A.  

System design package

B.  

Project charter

C.  

Installation checklist

D.  

User manual

Discussion 0
Questions 35

What type of microphone is most effective at rejecting background noise?

Options:

A.  

Omnidirectional

B.  

Cardioid

C.  

Lavalier

D.  

Boundary

Discussion 0
Questions 36

What is the key benefit of a “matrix switcher” in AV systems?

Options:

A.  

Amplifying audio

B.  

Routing any input to any output independently

C.  

Converting analog to digital signals

D.  

Multiplying signal strength

Discussion 0
Questions 37

What is the purpose of “equalization” in an audio system?

Options:

A.  

To balance frequency response and improve sound quality

B.  

To increase volume

C.  

To reduce cable length

D.  

To route audio signals

Discussion 0
Questions 38

Which of the following best describes a “touch panel” in AV systems?

Options:

A.  

A display device for users to control AV systems interactively

B.  

A microphone type

C.  

A cable type

D.  

An audio mixer

Discussion 0
Questions 39

When designing an AV system, which cable type is best suited for long-distance video transmission with minimal signal loss?

Options:

A.  

HDMI

B.  

Cat5e Ethernet

C.  

Fiber optic

D.  

RCA

Discussion 0
Questions 40

Which microphone pickup pattern is most sensitive to sound from all directions?

Options:

A.  

Cardioid

B.  

Omnidirectional

C.  

Hypercardioid

D.  

Bi-directional

Discussion 0
Questions 41

Which of the following best describes “project commissioning” in AV projects?

Options:

A.  

Installation of AV equipment

B.  

Testing and verification of system performance before handover

C.  

Training end users

D.  

System design

Discussion 0
Questions 42

Which of these is an important factor when planning speaker placement in a meeting room?

Options:

A.  

Proximity to the nearest window

B.  

Audience seating arrangement and room acoustics

C.  

The color of the walls

D.  

Number of power outlets

Discussion 0
Questions 43

What does “latency” mean in AV system design?

Options:

A.  

The amount of delay between signal input and output

B.  

The strength of an audio signal

C.  

The distance a signal can travel without degradation

D.  

The volume level of a speaker

Discussion 0
Questions 44

In AV design, what is the main function of an amplifier?

Options:

A.  

To reduce background noise

B.  

To increase the power of an audio signal to drive speakers

C.  

To convert analog signals to digital

D.  

To control signal routing

Discussion 0
Questions 45

Which AV standard primarily deals with high-definition multimedia interfaces?

Options:

A.  

HDMI

B.  

USB

C.  

VGA

D.  

RS-232

Discussion 0