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  5. Certified Technology Specialist – Design Questions and Answers

CTS-D Certified Technology Specialist – Design Questions and Answers

Questions 4

Which wiring color code is commonly used for the “hot” or positive conductor in audio cables?

Options:

A.

Black

B.

Red

C.

White

D.

Green

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Questions 5

What is the main advantage of using fiber optic cables for AV signal transmission?

Options:

A.

Lower cost

B.

High bandwidth and immunity to electromagnetic interference

C.

Easier termination

D.

Smaller connectors

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Questions 6

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

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Questions 7

Which of the following best describes “latency” in AV signal processing?

Options:

A.

The delay between input and output of a signal

B.

The signal strength

C.

The cable length

D.

The power consumption

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Questions 8

Which of the following cable types is most suitable for audio signals that require noise rejection?

Options:

A.

Unshielded twisted pair (UTP)

B.

Shielded twisted pair (STP)

C.

Coaxial cable

D.

HDMI cable

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Questions 9

What is the typical video refresh rate for North American television systems?

Options:

A.

50 Hz

B.

60 Hz

C.

75 Hz

D.

100 Hz

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Questions 10

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

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Questions 11

Which of the following best defines “project scope”?

Options:

A.

The cost estimate for the project

B.

The detailed description of work to be performed and deliverables

C.

The installation schedule

D.

The brand of equipment used

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Questions 12

Which of the following is a primary function of an AV control system?

Options:

A.

To process video signals

B.

To provide centralized control of AV devices and systems

C.

To amplify audio signals

D.

To connect devices to the internet

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Questions 13

Which of the following is the most appropriate cable type for connecting a microphone to a mixing console?

Options:

A.

HDMI

B.

XLR

C.

RCA

D.

USB

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Questions 14

What is the term for a graphical representation of signal flow between system components?

Options:

A.

Block diagram

B.

Wiring diagram

C.

Floor plan

D.

Gantt chart

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Questions 15

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

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Questions 16

What is the primary purpose of an AV system design document?

Options:

A.

To outline the physical installation process

B.

To specify the budget and timeline only

C.

To communicate system requirements and specifications to all stakeholders

D.

To provide user training instructions

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Questions 17

Which of the following best defines “scalability” in AV system design?

Options:

A.

The system’s ability to expand or upgrade in the future without major redesign

B.

The initial cost of the system

C.

The physical size of equipment

D.

The weight of cables

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Questions 18

Which AV control protocol commonly uses serial communication?

Options:

A.

RS-232

B.

TCP/IP

C.

UDP

D.

FTP

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Questions 19

Which document defines detailed technical specifications and requirements for AV equipment procurement?

Options:

A.

Request for proposal (RFP)

B.

System design document

C.

Maintenance plan

D.

Training manual

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Questions 20

Which of the following best describes “plenum space” in building construction relevant to AV cabling?

Options:

A.

A sealed room for AV equipment

B.

Spaces used for air circulation that require fire-rated cable

C.

Outdoor cable routing areas

D.

Ceiling tile designs

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Questions 21

What is the key characteristic of a cardioid microphone pattern?

Options:

A.

Picks up sound equally from all directions

B.

Picks up sound primarily from the front and rejects from the back

C.

Picks up sound only from the rear

D.

Omnidirectional

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Questions 22

Which wireless frequency band is commonly used for video transmission in AV systems?

Options:

A.

900 MHz

B.

2.4 GHz and 5 GHz

C.

60 MHz

D.

700 MHz

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Questions 23

Which AV standard governs the physical and electrical characteristics of HDMI cables?

Options:

A.

HDMI Forum specifications

B.

IEEE 802.3

C.

AES67

D.

USB-C

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Questions 24

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

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Questions 25

Which of the following best describes a “block diagram” in AV design?

Options:

A.

Detailed wiring connections

B.

High-level signal flow and equipment interconnections

C.

Room layout

D.

Installation steps

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Questions 26

What is the primary advantage of using PoE (Power over Ethernet) in AV system design?

Options:

A.

It increases video resolution

B.

It eliminates the need for separate power cables to devices

C.

It guarantees better signal quality

D.

It simplifies audio mixing

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Questions 27

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

Options:

A.

Amplify audio signals

B.

Route multiple inputs to multiple outputs flexibly

C.

Process digital signals

D.

Convert analog video to digital

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Questions 28

What is the purpose of a line diagram in AV design?

Options:

A.

To show detailed wiring connections

B.

To illustrate signal flow and equipment interconnections at a high level

C.

To provide a layout of room furniture

D.

To document installation procedures

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Questions 29

In an AV system, what is the purpose of a DSP (Digital Signal Processor)?

Options:

A.

To convert analog signals to digital

B.

To manage and manipulate audio or video signals for optimal performance

C.

To amplify signals

D.

To provide power to devices

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Questions 30

Which of the following best describes “signal attenuation”?

Options:

A.

Loss of signal strength over distance

B.

Increase of signal power

C.

Signal processing delay

D.

Signal conversion

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Questions 31

Which standard specifies the color coding for balanced audio connectors?

Options:

A.

AES3

B.

RS-232

C.

XLR pinout standards

D.

HDMI

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Questions 32

Which type of cable is most commonly used for high-definition video signals?

Options:

A.

Coaxial

B.

HDMI

C.

XLR

D.

Speaker cable

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Questions 33

What is the primary purpose of an AV system “site survey”?

Options:

A.

To assess physical space and infrastructure constraints and opportunities

B.

To install equipment

C.

To conduct user training

D.

To finalize budget

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Questions 34

What is the key difference between HDMI and DisplayPort?

Options:

A.

HDMI supports audio, DisplayPort does not

B.

DisplayPort generally supports higher resolutions and refresh rates

C.

HDMI is used only for audio

D.

DisplayPort is wireless

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Questions 35

Which of the following is an example of a controlled environmental factor in AV design?

Options:

A.

Outside weather conditions

B.

Room temperature and humidity

C.

Electrical supply fluctuations

D.

Client preferences

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Questions 36

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

Options:

A.

Omnidirectional

B.

Cardioid

C.

Lavalier

D.

Boundary

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Questions 37

In AV design, what is the purpose of “equalization” (EQ)?

Options:

A.

To adjust the frequency response of an audio signal

B.

To increase signal power

C.

To route video signals

D.

To control lighting

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Questions 38

Which technology is commonly used for transmitting uncompressed digital video over long distances?

Options:

A.

HDMI

B.

HDBaseT

C.

VGA

D.

Composite video

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Questions 39

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

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Questions 40

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

Options:

A.

RCA

B.

XLR

C.

Coaxial

D.

HDMI

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Questions 41

What is a common method to reduce 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

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Questions 42

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

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Questions 43

Which of the following is an example of an AV industry trade organization?

Options:

A.

AVIXA

B.

IEEE

C.

OSHA

D.

FCC

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Questions 44

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

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Questions 45

Which of the following best describes a “DSP” device?

Options:

A.

Audio amplifier

B.

Digital Signal Processor for audio/video manipulation

C.

Display screen

D.

Power supply

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Exam Code: CTS-D
Exam Name: Certified Technology Specialist – Design
Last Update: Sep 12, 2025
Questions: 150

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