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CTS-I Certified Technology Specialist – Installation Questions and Answers

Questions 4

The published design weight of a speaker array with mounting hardware totals 96 kilograms (212 pounds). What minimum weight should the substructure and mounting assembly be able to support?

Options:

A.

227 kilograms (500 pounds)

B.

962 kilograms (2,120 pounds)

C.

480 kilograms (1,060 pounds)

D.

192 kilograms (424 pounds)

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Questions 5

When working with electrical systems, what should you do if two codes have conflicting requirements?

Options:

A.

Follow the guidelines from the most restrictive code

B.

Follow the guidelines from the most lenient code

C.

Consult the NEC handbook and do only what it says

D.

Ignore both of the codes and do the installation in a way that makes sense to you

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Questions 6

Compressors, limiters, and expanders are all _____.

Options:

A.

dynamic processors

B.

gates

C.

filters

D.

distortion processors

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Questions 7

Conduit fill percentage varies by the ___.

Options:

A.

Number of cables

B.

Quality of cables

C.

Gauge of cables

D.

Length of cables

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Questions 8

Which of the following is one possible covering for twisted pair cable?

Options:

A.

Rubber

B.

Copper

C.

Wood

D.

Mercerized cotton

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Questions 9

A key objective for mounting AV equipment in a rack is to:

Options:

A.

hide it discretely in a closet

B.

protect the integrity of the system

C.

ensure only technical personnel can access it

D.

roll the gear in and out easily

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Questions 10

Which set of drawings would you reference to locate the power outlet for a video display?

Options:

A.

Structural drawings

B.

Mechanical drawings

C.

Electrical drawings

D.

System drawings

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Questions 11

RGBS requires _____ cables to carry the signal.

Options:

A.

three

B.

two

C.

five

D.

Four

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Questions 12

What must be considered during rack assembly?

Options:

A.

Ergonomics of equipment placement, signal separation, heat load, weight distribution

B.

Availability of technical assistance, the electrical wiring layout, other schematics

C.

Strength of the signal, conduit accessibility, weight of the rack, ventilation at site

D.

Transportation availability for materials, mobility of equipment, proper storage and alignment

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Questions 13

Before entering a construction site, safety coordination and requirements should be discussed with the:

Options:

A.

network contractor

B.

plumbing contractor

C.

general contractor

D.

electrical contractor

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Questions 14

The original LCD monitor specified on the project was not available. The model used to replace it has a lower native resolution than the original monitor. What device could be used to keep the EDID table from now calculating the EDID table to a lower resolution for the whole system?

Options:

A.

Scan Converter

B.

Scaler

C.

Transcoder

D.

EDID emulator

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Questions 15

What are best practices when evaluating facility conditions of a space that is ready for installation? (Select all that apply.)

Options:

A.

Note areas that may affect logistics

B.

Make sure the site is clean and dust-free

C.

Take pictures and document all existing conditions

D.

Note if you will need an extension ladder

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Questions 16

A porous absorber slows down air molecules using _____.

Options:

A.

friction

B.

reflection

C.

absorption

D.

transmission

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Questions 17

A primary reason for attending construction meetings is to:

Options:

A.

Develop a relationship with the other people on the job

B.

Identify changes to the original design that will affect the AV installation

C.

Find out the project's completion date

D.

Submit invoices and other budget documentation

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Questions 18

In what applications is an A-weighted SPL most useful?

Options:

A.

In large concert halls and other Class A venues

B.

In environments with low listening levels such as speech applications

C.

At high-volume levels greater than 85dB SPL

D.

When using a DSP-based system

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Questions 19

The picture is an example of a:

Options:

A.

Series circuit

B.

AC Circuit

C.

DC Circuit

D.

Parallel Circuit

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Questions 20

Which of the following is an essential deliverable before sign-off?

Options:

A.

A punch/snag/problem list

B.

A clean site

C.

Referral solicitations

D.

Redundant cables

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Questions 21

An architectural drawing was created using the SI scale of 1:200. You measure a distance of 13 millimeters on the drawing. What is the actual distance in millimeters?

Options:

A.

5,200mm (5.2m)

B.

260mm

C.

1,300mm (1.3m)

D.

2,600mm (2.6m)

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Questions 22

Dispersion causes waves of different colors to:

Options:

A.

converge

B.

spread apart

C.

bend

D.

speed up or slow down

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Questions 23

What document is used to account for lost time due to other trades during a project?

Options:

A.

Punch list

B.

Daily Progress report

C.

RFI

D.

Submittals

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Questions 24

What should you do after setting the control address of a device?

Options:

A.

Mark the equipment with this information

B.

Erase this information from the system documentation

C.

Give the customer an encrypted list of these settings

D.

Back them up by posting them on your blog

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Questions 25

What does a distribution amplifier do?

Options:

A.

Routes many signals by switching between its various inputs

B.

Sends many signal inputs to a single output

C.

Amplifies video signals to prevent signal loss at their destinations

D.

Accepts a single signal input and distributes the signal to two or more outputs

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Questions 26

If an intended viewer needs to distinguish the finest details displayed, the designer/assessor should use the __________ Viewing Category.

Options:

A.

Basic Decision Making (BDM)

B.

Analytical Decision Making (ADM)

C.

Passive Viewing

D.

Full Motion Video

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Questions 27

What is a decibel?

Options:

A.

the measure in miles of early telephone systems' power losses

B.

the power dissipated in an electric circuit

C.

a logarithmic scale used to describe ratios with a large range of values

D.

the smallest increment of sound easily heard by a normal listener

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Questions 28

Which of the following tasks would not be included in a preventive maintenance program? (Choose all that apply.)

Options:

A.

Checking the equalization and gain structure on the audio replay system

B.

Changing the preset frequencies on the handheld radio system

C.

Testing the failover systems for redundant spare equipment

D.

Checking the batteries in uninterruptable power supply systems

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Questions 29

What does a gain sharing automatic mixer do?

Options:

A.

turns microphone channels on or off automatically

B.

turns up used microphone channels and turns down unused microphone channels

C.

adjusts a volume knob in a way pre-programmed by the operator

D.

adjusts the volume of a loudspeaker depending on how loud or quiet the person is

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Questions 30

What is industry best practice for ensuring that all equipment has been delivered to the site for an AV event?

Options:

A.

Selected equipment is matched to the shipping manifest

B.

One person should be in charge of everything

C.

All delivery personnel should be assigned a color coded area

D.

All equipment should be weighed

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Questions 31

A "just noticeable" change in sound pressure level, either louder or softer, requires a _____ change.

Options:

A.

+/-10 dB

B.

+/-3 dB

C.

+/-6 dB

D.

+/-1 dB

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Questions 32

Audio Conferencing equipment makes use of acoustic_____ technology.

Options:

A.

phase shift

B.

reverberation

C.

echo-cancellation

D.

doppler

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Questions 33

What is a circuit tracing kit, or "fox and hound," used for?

Options:

A.

Identifying each end of a cable in a bundle

B.

Identify the type of a specific cable

C.

Determining if a circuit uses AC or DC power

D.

Determining how long a cable run is

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Questions 34

Items which require user control should be placed in the _____ of the rack.

Options:

A.

very top

B.

middle

C.

back

D.

Bottom

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Questions 35

What is the first step in conducting a technical site survey?

Options:

A.

Reviewing drawings with the AV designer

B.

Recording model and serial numbers of all equipment

C.

Setting up your GPS with the site location

D.

Ordering the equipment from the warehouse

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Questions 36

Which of the following does HDCP 2.x support? (Choose all that apply.)

Options:

A.

128 connected devices for each transmitter

B.

4 layers or repeater levels for each transmitter

C.

7 layers or repeater levels for each transmitter

D.

32 connected devices for each transmitter

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Questions 37

The lead cable in a snout should be the _____ cable in the bundle.

Options:

A.

Thinnest

B.

Shortest

C.

Weakest

D.

Strongest

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Questions 38

An architectural drawing was created using the U.S. customary scale of 1/8 inch = 1 foot. You measure a distance of 4.25 inches on the drawing. Which of the following is the actual distance in feet?

Options:

A.

34ft

B.

16ft

C.

28ft

D.

68ft

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Questions 39

____ transfers audio, video, power, and data signals all over one cable at 10Gbps in two directions.

Options:

A.

Thunderbolt

B.

DVI

C.

SDI

D.

HDMI

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Questions 40

Which of the following is an unambiguous, technical term?

Options:

A.

Quiet ground

B.

Individual branch circuit

C.

Dedicated ground

D.

Clean power

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Questions 41

When incoming light waves are reflected in multiple angles, this is called _____.

Options:

A.

refraction

B.

reflection

C.

absorption

D.

scattering

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Questions 42

The ANSI/AVIXA 2M-2010 Standard Guide for Audiovisual Systems Design Coordination Processes lays out a procedure for determining the:

Options:

A.

functions and features that are required to support a given set of tasks

B.

project communication that needs to take place on a given project

C.

room types that are suitable for a given set of client needs

D.

verification tests that should be performed during a given project

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Questions 43

How much pulling tension would a 24 AWG microphone cable with a 24 AWG signal cable shield drain wire be able to sustain?

Options:

A.

8.2 kilograms (18 pounds)

B.

5.4 kilograms (12 pounds)

C.

10.9 kilograms (24 pounds)

D.

7.2 kilograms (16 pounds)

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Questions 44

Under normal circumstances, a ground wire carries _____.

Options:

A.

a line level signal

B.

a dangerously high voltage

C.

current to the main distribution panel

D.

no charge

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Questions 45

How many dimensions does color space possess?

Options:

A.

two

B.

three

C.

five

D.

four

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Questions 46

What function does a timesheet serve?

Options:

A.

They mark how much time is left to complete a project

B.

They help track how many man-hours have already been spent on the project

C.

They are only a way to receive payment after a project

D.

They show your client how much experience you have on that type of project

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Questions 47

When mounting a 75lb (34 kg) projector with a 15lb (7 kg) mount, the substructure should be able to support a minimum of:

Options:

A.

180lbs (82 kg)

B.

90lbs (41 kg)

C.

450lbs (204 kg)

D.

270lbs (122 kg)

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Questions 48

What kind of facility might use a sound masking system?

Options:

A.

gymnasium

B.

library

C.

hospital

D.

shopping mall

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Questions 49

Determine the wattage in a circuit measuring 120 volts with 15 amperes of current flow.

Options:

A.

80W

B.

0.125W

C.

1800W

D.

8W

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Questions 50

Which of the following steps should be undertaken before attempting the troubleshooting process? (Choose all that apply.)

Options:

A.

Familiarize yourself with the AV systems and equipment

B.

Have the system documentation at hand

C.

Order a spare system controller

D.

Get an understanding of the warranty and maintenance agreements

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Questions 51

According to InfoComm best practices, why should you use pre-measured bolts when connecting a mounting bracket to a flat panel display?

Options:

A.

Bolts that are not pre-measured may pose a security risk

B.

Bolts that are too short will not secure the display

C.

Bolts that are too long can damage the mounting bracket

D.

Bolts that are too short can damage the wall

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Questions 52

Which of the following statements is a true safety practice for mounting loudspeakers?

Options:

A.

If you work with a structural engineer, follow their instructions completely

B.

Nails can dependably support overhead loads

C.

You may safely exceed the working load limit without compromising the safety of the installation

D.

Attach heavy loads to a wall or ceiling surface by yourself, without a partner

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Questions 53

Which of the following is true of rack cable service loops?

Options:

A.

They reduce feedback in an audio system.

B.

They provide flexibility in rack wiring.

C.

They increase the number of available inputs.

D.

They are caused by multiple paths to ground.

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Questions 54

Which component would you use to distribute video from multiple sources to many displays or in different zones?

Options:

A.

Distribution amplifier

B.

Scan converter

C.

Matrix switcher

D.

Scaler

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Questions 55

What is a projector's throw distance?

Options:

A.

the screen diagonal measurement when the projector is at 196.8 inches (4999 mm)

B.

the zoom ratio of the projector

C.

the distance between a location on the projector to the screen for a given image size

D.

The distance between the projector's lens and the floor

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Questions 56

What type of drawing would you use to find out exactly how the projector should be mounted to the ceiling?

Options:

A.

Reflected ceiling plan

B.

Mechanical drawing

C.

Detail drawing

D.

Section drawing

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Questions 57

What type of video is best used to verify audio/video synchronization?

Options:

A.

Landscapes with orchestra music

B.

News anchors speaking

C.

Team sports

D.

A blip-and-flash test video

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Questions 58

Which test verifies that a cable can transmit a signal from one end to another?

Options:

A.

Polarity test

B.

Impedance test

C.

Continuity test

D.

Signal sweep test

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Questions 59

Which device is used for sending the same video signal to multiple destinations?

Options:

A.

Distribution amplifier

B.

Media player

C.

Matrix switcher

D.

Scan converter

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Questions 60

If you go up one octave from 250 Hz, you arrive at _____.

Options:

A.

251 Hz

B.

125 Hz

C.

500 Hz

D.

1250 Hz

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Questions 61

Loudspeakers intended for direct coupled wiring have _____.

Options:

A.

high impedance

B.

transformers with taps

C.

internal amplifiers

D.

low impedance

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Questions 62

The two Ethernet standards for an 8-pin modular connector (sometimes called an RJ45) termination are:

Options:

A.

RJ45A and RJ45B

B.

E423A and E423B

C.

RJ45B and RJ11A

D.

T568A and T568B

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Questions 63

Individual pieces of rack mounted equipment are separated by signal type because:

Options:

A.

Logical groupings of equipment are easier for the user.

B.

Signals flow down, not up.

C.

This helps protect the signals against induced noise.

D.

Audio equipment is heaviest and should be at the bottom of the rack.

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Questions 64

What is the function of cable shielding?

Options:

A.

It allows current and voltage to pass through a cable

B.

It insulates multiple conductors so live wires won't touch each other

C.

It protects a signal from electromagnetic interference

D.

It gives cable greater flexibility and protects it from breaking

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Questions 65

Which type of conduit is the best choice for an electronically noisy environment because it offers physical and EMI protection?

Options:

A.

Intermediate Metal Conduit (IMC)

B.

Electrical Metallic Tubing (EMT or thinwall)

C.

Flexible Metal Conduit (Flex)

D.

Rigid Metal Conduit (RMC)

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Questions 66

Many amplifiers now have a built-in _______ to protect themselves from severe clipping and overdriving of the audio signal.

Options:

A.

Limiter

B.

Gate

C.

Signal-to-Noise

D.

Attack Time

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Questions 67

In the professional AV industry, the most common direct view displays are _____.

Options:

A.

video walls

B.

televisions

C.

monitors

D.

projection systems

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Questions 68

What is a best practice when installing cables where there is no conduit or other raceway for ceiling-mounted projectors?

Options:

A.

Interlacing the cables

B.

Resting the cables gently on the ceiling tile

C.

Stacking the cables along one side of the ceiling grid

D.

Securing the cables with bridle rings mounted to bar joists

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Questions 69

Which type of microphone exhibits more pickup at the rear than a supercardioid?

Options:

A.

cardioid

B.

hypercardioid

C.

tri-directional

D.

dynamic

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Questions 70

_____ are required when multiple video sources must be displayed on different video displays, or in different zones.

Options:

A.

HDMI repeaters

B.

Looping schemes

C.

Thunderbolt adapters

D.

Matrix routing switchers

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Questions 71

How many conductors (pins) do most XLR connectors have?

Options:

A.

Three

B.

Four

C.

Five

D.

Two

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Questions 72

Where should an optical disk player be placed in a rack?

Options:

A.

At the bottom of the rack

B.

At the top of the rack

C.

Next to an audio speaker

D.

In the user's direct line of sight

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Questions 73

Which of the following documents should an AV integrator submit in the event that a manufacturer has discontinued a projector model?

Options:

A.

Letter of transmittal

B.

Progress report (PR)

C.

Request for change (RFC)

D.

Construction change directive (CCD)

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Questions 74

The three components of an AV experience are _________.

Options:

A.

Space, Content, and Technology

B.

Space, Sound, and Visuals

C.

Sensation, Knowledge, and Remembrance

D.

Technology, Budget, and Desires

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Questions 75

A limitation of using the RTA method to adjust equalization is:

Options:

A.

that it cannot differentiate between the direct loudspeaker sound and the interference from combined direct and reflected energy

B.

that an RTA is not available as a smartphone app, as computer software, or as dedicated hardware

C.

that it cannot differentiate between high and low frequencies

D.

that it is not legal in some jurisdictions

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Questions 76

The simultaneous use of multiple wireless microphone systems requires _________.

Options:

A.

Multiple receivers all tuned to the same frequency

B.

Frequency coordination

C.

Using lavalier microphones

D.

Using infrared wireless microphones

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Questions 77

Crimp connections can be properly performed with which of the following tools:

Options:

A.

Crimp tool

B.

Pliers

C.

Soldering Iron

D.

All of the above

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Questions 78

When a camera's field of view changes with movement, _____ will adjust pixel variations so the camera can adjust its lens for fast and smooth video handling.

Options:

A.

Auto tracking

B.

Auto-shutter

C.

Auto gain

D.

Pan-tilt-zoom

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Questions 79

A projector weighing 195 kilograms (429 pounds) should be mounted only to what type of surface?

Options:

A.

Ceiling tile of an auditorium

B.

Front wall in a classroom

C.

Drywall in conference room

D.

Building structural support or blocking

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Questions 80

A mirror mounting system must be ____.

Options:

A.

rigid once in place and adjustable during installation

B.

electrically connected to the technical ground

C.

angled so that the mirror reflects the image into the screen twice

D.

electronically adjusted by the control system

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Questions 81

Which of the following are limitations of an IR control system? (Choose all that apply.)

Options:

A.

It does not provide feedback that commands have been executed.

B.

It requires direct line of sight to the device's control point.

C.

It may be subject to interference from ambient light.

D.

It always requires batteries.

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Questions 82

A technician installs a condenser microphone. It is not picking up audio. What is the MOST LIKELY cause?

Options:

A.

Pins 2 and 3 are swapped at the XLR connector

B.

The cable run is too long

C.

Phantom power is turned off

D.

The microphone is defective

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Questions 83

When plotting a cable route, where should you place the cable?

Options:

A.

Close to fluorescent lighting

B.

Away from EMI sources

C.

Near motors or fans

D.

Along complicated pathways

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Questions 84

When preparing to install a ceiling mount, what should you determine before you can determine the projector position?

Options:

A.

The center of the projector

B.

The location of the projection surface

C.

The center of the projector's mount

D.

The center of the adjustable ceiling support structure

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Questions 85

Which of the following can be used to automatically turn off unused microphones?

Options:

A.

gates

B.

filters

C.

limiters

D.

Absorbers

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Questions 86

What is the primary reason an AV installer should attend weekly construction meetings?

Options:

A.

Learn about safety requirements

B.

Establish relationships with allied trade teams

C.

Identify changes that will affect the AV installation

D.

Find out when the cafeteria is open

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Questions 87

_____ draws all the odd lines of a video signal from top to bottom, then all the even lines in the same order.

Options:

A.

The frame rate

B.

Interlaced scanning

C.

1080p

D.

Progressive scanning

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Questions 88

When is a request for change (RFC) document used?

Options:

A.

when approval is needed to make changes in contracts, equipment, or system design

B.

any time documents, drawings, or samples, are sent to a receiving party

C.

after a change order has been approved and issued

D.

when questions first arise about an aspect of the project

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Questions 89

Which of the following information does the EDID packet contain? (Choose all that apply.)

Options:

A.

Timing for audio and video sync

B.

Display parameters

C.

Extension flags

D.

Color characteristics

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Questions 90

The most common type of Viewing Category is __________.

Options:

A.

Analytical Decision Making (ADM)

B.

Basic Decision Making (BDM)

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Questions 91

The different distributions of white light sources means that each white light_____.

Options:

A.

is exactly the same

B.

has a different tint

C.

illuminates the same way

D.

is perceived in different ways

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Questions 92

A _____ is a long flexible tape used to pull cable through conduit.

Options:

A.

Snout

B.

Tape measure

C.

Mouse

D.

Fish tape

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Questions 93

What device is needed to calibrate an SPL Meter:

Options:

A.

An SPL Calibrator that produces 94 dB SPL=1Pa

B.

Scaler

C.

Transcoder

D.

EDID emulator

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Questions 94

What can cause a mounting malfunction? (Choose all that apply.)

Options:

A.

Exceeding the load limit

B.

Improperly placing bolts

C.

Installing a mount directly to a ceiling tile

D.

Connecting a mount to blocking

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Questions 95

The point at which power enters a building is called the _____.

Options:

A.

service entrance

B.

hot spot

C.

facility drop

D.

demark

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Questions 96

Which of the following should you do with damaged electrical cable?

Options:

A.

refurbish it

B.

use it

C.

fix it

D.

dispose of it

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Questions 97

Ambient noise is defined as anything that _____.

Options:

A.

produces sound

B.

you can hear

C.

enhances the desired signal

D.

is other than the desired signal

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Questions 98

Each loudspeaker in a constant voltage system has a _____ mounted to it.

Options:

A.

tap

B.

transductor

C.

transmitter

D.

transformer

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Questions 99

What type of drill bit should you use when drilling a pilot hole into plastic?

Options:

A.

Self-taping screws

B.

A sheet metal bit

C.

A masonry drill bit

D.

A high-speed metal drill bit designed for wood

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Questions 100

The _____ meter is commonly used to monitor broadcast signals.

Options:

A.

VU

B.

PDP

C.

lux

D.

PPM

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Questions 101

What should you do with the case number or barcodes of unloaded equipment?

Options:

A.

Peel them off the equipment so they can be reused on the next shipment

B.

Nothing - there is no value in saving barcode numbers

C.

Enter them into a logbook or inventory tracking system

D.

Tear or scratch them out so no one can see them

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Questions 102

Which of the following choices lists the correct pinouts for the T-568A end of a crossover network cable (pin 1-8):

Options:

A.

WGr, Gr, WOr, B, WB, Or, WBr, Br

B.

WOr, Or, WGr, B, WB, Gr, WBr, B

C.

Br, WBr, Or, WB, B, WOr, GR, WGr

D.

Gr, WGr, WOr, B, WB, Or, WBr, Br

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Questions 103

To find the aspect ratio of a screen, you must _____.

Options:

A.

divide the screen width by the screen length

B.

multiply the aspect ratio by the screen height

C.

substitute the width or height in the formula

D.

divide the screen width by the screen height

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Questions 104

A rack elevation diagram includes which of the following information?

Options:

A.

Location of electrical outlets for technical power

B.

The distance from the floor the rack should be mounted

C.

Signal type for each input and output

D.

RUs used for each component

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Questions 105

Sound reinforcement systems are used to perform which of the following?

Options:

A.

reinforce the human voices only

B.

separate sound signals

C.

register outgoing sounds

D.

increase the sound distributed over a larger area

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Questions 106

Refraction can be described as the:

Options:

A.

focusing of light rays

B.

bending of light rays

C.

breaking and separation of light rays

D.

reflection of light rays

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Questions 107

The _____ of a surface varies inversely as the square of its distance from a light source.

Options:

A.

brightness

B.

Illumination

C.

size

D.

Dispersion

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Questions 108

The number of ___ in the primary and secondary sides of a transformer determines the impedance and/or voltage ratio.

Options:

A.

Unused tap wires

B.

Ohms

C.

Coils of wire

D.

Loudspeaker taps

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Questions 109

What is the main function of a graphic or parametric equalizer?

Options:

A.

to adjust frequencies with fixed bandwidths

B.

to adjust the bass and treble tones in audio

C.

to balance voice, music, and other audio signals

D.

to boost or cut a specific frequency range

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Questions 110

If a digital signal is carried too far on a cable, the signal will become unreadable. This is called _____.

Options:

A.

The eye pattern effect

B.

The bit error rate

C.

The cliff effect

D.

The analog sunset

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Questions 111

Which is an RS232 parameter?

Options:

A.

Parity

B.

Bandwidth

C.

Subnet mask

D.

Polarity

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Questions 112

What does a 3-LED tester test for?

Options:

A.

Open ground-wiring error

B.

Fault terminations

C.

Neutral/ground shorts

D.

Neutral/ground swap

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Questions 113

It is an industry best practice to use no less than _____ ISO rated hardware for an audio visual installation.

Options:

A.

3.6

B.

5.6

C.

8.8

D.

10.9

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Questions 114

What is the function of a back box?

Options:

A.

It keeps sound contained into a single room

B.

It transmits sound to adjoining areas through the ceiling space

C.

It limits the low frequency response of the loudspeaker

D.

It helps hold the wires stable as you crimp butt splices onto them

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Questions 115

Which abbreviation on a drawing tells you that you will not need to install a specific display screen?

Options:

A.

OFOI

B.

OC

C.

OD

D.

NTS

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Questions 116

_____ are the result of a(n) _____ reflection.

Options:

A.

Echoes, early

B.

Wavelengths, diffuse

C.

Diffusions, small

D.

Echoes, late

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Questions 117

Which of the following are associated with sound pressure levels? (Choose all that apply.)

Options:

A.

Is typically measured in decibels (dB SPL)

B.

Is the ultimate method for quantifying background noise levels

C.

Eliminates distortion in speech reinforcement

D.

Can most accurately be measured with a Class 1 precision SPL meter

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Questions 118

Sound energy can reflect in either _____ fashion.

Options:

A.

backward or split

B.

direct or scattered

C.

reversed or diffused

D.

specular or broken

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Questions 119

Bandwidth ____ as the resolution of an image increases.

Options:

A.

increases

B.

fluctuates

C.

remains the same

D.

Decreases

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Questions 120

There are two types of keystone correction:

Options:

A.

Projection and direct view display

B.

Optical and electronic

C.

Cropping and shrinking

D.

Compression and limiting

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Questions 121

What is the measurement for frequency?

Options:

A.

DC

B.

Wavelength

C.

Hertz

D.

AC

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Questions 122

When drilling is necessary, what is the purpose of pilot holes?

Options:

A.

To assess the strength of the mounting material

B.

To give the screws direction

C.

To check for electrical wiring

D.

To wear out the smaller drill bits before the larger ones

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Questions 123

Which statement accurately describes what you should do when de-installing existing equipment?

Options:

A.

Dispose of equipment right away

B.

Remove the connecting cables

C.

Smash the hardware so that data cannot be stolen

D.

Call an electronic waste recycling contractor

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Questions 124

The primary purpose of a sound masking system is to _____.

Options:

A.

support a pseudo-random noise generator in ceiling loudspeakers

B.

increase background noise levels to increase privacy

C.

create a non-reverberant environment so conversations can be overheard

D.

increase efficiency in the workforce by reducing noise

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Questions 125

The strength of the electrical audio signal from a microphone is called a(n) _____ level signal.

Options:

A.

mic

B.

dynamic

C.

condenser

D.

Electret

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Questions 126

It is a best practice to choose a mount with a safety factor of at least _____.

Options:

A.

2

B.

4

C.

5

D.

8

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Questions 127

Why is it better to test control systems in the workshop? (Choose all that apply.)

Options:

A.

It allows more time to fix problems.

B.

It may provide better access to help from internal teams.

C.

It allows time for longer breaks.

D.

It prevents customers from asking questions.

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Questions 128

In a loudspeaker circuit, what color wire carries the negative (-) current?

Options:

A.

Red

B.

White

C.

Black

D.

Grey

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Questions 129

Why is color temperature awareness important in the AV industry?

Options:

A.

"Whiteness" is subjective with ever changing definitions.

B.

People expect exact "whiteness" when viewing a display.

C.

The AV industry strives to set the standard for "whiteness."

D.

AV equipment allows for adjusting the "whiteness" for optimal display.

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Questions 130

The loudspeakers in a distributed system are located ____.

Options:

A.

on portable stands to the left and right of the presentation area

B.

in a central cluster directly above the presentation area

C.

at regularly spaced intervals throughout the listening area

D.

in a vertical array hung in a slight curve

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Questions 131

When dealing with an argumentative customer, what is the best way to understand why they are rejecting your suggestions?

Options:

A.

Hold your position as the AV expert until they respect your expertise

B.

Listen to what the customer is saying without interrupting them

C.

Keep pressing your suggestions until the customer understands

D.

Let them verbally assault you until you understand what they want

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Questions 132

Where should you bundle a permanently attached power cord in a rack?

Options:

A.

With microphone cables

B.

Separately from all other cords and cables

C.

In the center of a bundle of mixed cables

D.

With other power cords

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Questions 133

A rack unit is equivalent to approximately ____.

Options:

A.

1.75in (44.5mm)

B.

2.25in (57mm)

C.

2in (51mm)

D.

1.5in (38mm)

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Questions 134

Which of the following is the best definition of aspect ratio?

Options:

A.

the ratio of image width to length

B.

the ratio of image width to height

C.

the ratio of image distance to height

D.

the ratio of image depth to distance

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Questions 135

What sort of document tells you where and how to install audio components?

Options:

A.

Reflected ceiling plans

B.

Detail drawings

C.

System flow diagram

D.

Request for Information document

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Questions 136

If existing components have to be reused in an AV system, what is a critical task that the installer must perform?

Options:

A.

Draw a schematic showing where the old equipment fits

B.

Call the manufacturer to extend the warranty

C.

Test the equipment to make sure it is operational

D.

Discard items that do not meet specifications

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Questions 137

The optical path can practically be folded up to _____ .

Options:

A.

one time

B.

two times

C.

three times

D.

five times

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Questions 138

Where are Blu-ray players typically housed inside of AV racks?

Options:

A.

At the bottom of the rack

B.

Near the top of the rack

C.

At eye-level

D.

In the very back of the rack

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Questions 139

Besides a power switch, what else can modern amplifiers have?

Options:

A.

input sensitivity controls and digital signal processing

B.

line levelers and network monitoring

C.

distortion suppressors and input sensitivity controls

D.

voltage regulators and digital signal processing

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Questions 140

In the OSI Model, Ethernet and switches are elements of:

Options:

A.

layer 7, the Application layer

B.

layer 4, the Transport layer

C.

layer 5, the Session layer

D.

layer 2, the Data Link layer

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Questions 141

After which of the following activities is an AV project completed?

Options:

A.

All hardware is installed

B.

Software integration is completed

C.

Verification that the system is operational

D.

System closeout activities are completed

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Questions 142

If there are _____ markings on the head of a bolt, it is a Grade 8 ASTM.

Options:

A.

Two

B.

Three

C.

Five

D.

Six

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Questions 143

Sound _____ through a medium.

Options:

A.

propagates

B.

resounds

C.

generates

D.

Processes

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Exam Code: CTS-I
Exam Name: Certified Technology Specialist – Installation
Last Update: Oct 2, 2025
Questions: 477
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