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Certified Technology Specialist – Installation Question and Answers

Certified Technology Specialist – Installation

Last Update Oct 2, 2025
Total Questions : 477

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Questions 1

Rigid rear projection screens should be:

Options:

A.  

transported horizontally

B.  

mounted with either side facing the audience

C.  

held in position in the wall by brackets or millwork trim

D.  

rolled to reduce wrinkles and tears

Discussion 0
Questions 2

If a fuse blows and you suspect there is a problem with high-voltage (AC mains) wiring, who should you contact immediately?

Options:

A.  

Video engineer

B.  

Licensed electrician

C.  

Manufacturer's rep

D.  

Design consultant

Discussion 0
Questions 3

When installing a wireless microphone receiver, what should you do with the antennas?

Options:

A.  

Place them in the back of the rack

B.  

Leave them inside the rack, even if the presenter holding the microphone is down the hall

C.  

Place them in the front of the rack, behind the metal door

D.  

Place them a foot (30.5cm) away from any metallic surface

Discussion 0
Questions 4

Evacuation cools a rack by:

Options:

A.  

using fans to draw air out of the rack through the top vents.

B.  

forcing air into the rack from the top and bottom vents.

C.  

creating a vacuum, drawing warmer air out of the rack.

D.  

pulling cool air from the room's HVAC into a rack with fans.

Discussion 0
Questions 5

Where are tall equipment racks usually mounted?

Options:

A.  

To a wall

B.  

To the floor

C.  

To the ceiling

D.  

Equipment racks can't be mounted

Discussion 0
Questions 6

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

Discussion 0
Questions 7

In the event of a change in the placement of air-conditioning ducts in a boardroom, which of the following documents should the AV integrator submit first?

Options:

A.  

Punch/snag/problem list

B.  

Change order (CO)

C.  

Request for change (RFC)

D.  

Request for information (RFI)

Discussion 0
Questions 8

What is an advantage of using an adjustable ceiling mount support structure?

Options:

A.  

Allows for flexibility in the location of the mount

B.  

Prevents a mount from separating

C.  

Allows the set screws to stabilize

D.  

Lowers the mount for easy projector maintenance

Discussion 0
Questions 9

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

Discussion 0
Questions 10

Which of the following must the as-built drawings show?

Options:

A.  

The client's vision for the finished system

B.  

Details of the system as finally installed

C.  

Original system design specification

D.  

Mechanical drawings

Discussion 0
Questions 11

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

Discussion 0
Questions 12

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

Options:

A.  

Snout

B.  

Tape measure

C.  

Mouse

D.  

Fish tape

Discussion 0
Questions 13

What sort of electrical box should an installer use to house custom screen switches, small touch panels, or microphone plates?

Options:

A.  

Equipment Racks

B.  

Mud Rings

C.  

NEMA Type 4

D.  

Pull boxes

Discussion 0
Questions 14

How can you exceed the recommended 50-foot (15.25 meter) HDMI cable length without having signal loss?

Options:

A.  

Use a thunderbolt cable

B.  

Use an HDMI coupler

C.  

Use an HDMI repeater

D.  

Use an active cable

Discussion 0
Questions 15

Flexible PVC rear projection screens:

Options:

A.  

can be easily punctured, attract dirt easily and must be stretched firmly when installed.

B.  

are best used in manual wall projection setups

C.  

are the screen type most resistant to wrinkles, scratches, and punctures.

D.  

must be stretched flat, which is easily done on the floor before installation, for optimal image clarity.

Discussion 0
Questions 16

Where should you assemble an AV rack?

Options:

A.  

On the customer's jobsite

B.  

At your company's shop

C.  

At the manufacturer's factory

D.  

On your company's truck

Discussion 0
Questions 17

Why is a plumb bob used during the installation process for a ceiling mounted projector?

Options:

A.  

To locate high pressure fire control water lines

B.  

To locate the spot on the ceiling tile for the projector mount opening

C.  

To calculate the throw line distance to the screen from the mount

D.  

To locate a direct line for stable mounting

Discussion 0
Questions 18

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.

Discussion 0
Questions 19

Noise caused by circuit interference can be reduced by:

Options:

A.  

using balanced shielded twisted-pair cable

B.  

muting the microphone

C.  

distancing the microphone from the loudspeaker

D.  

extending the cable run to another room

Discussion 0
Questions 20

What connects two wires directly together?

Options:

A.  

Closed end connectors

B.  

HDMI connectors

C.  

BNC connectors

D.  

Butt splice connectors

Discussion 0
Questions 21

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

Discussion 0
Questions 22

There is a conflict between the wall plate height specified in AV documents and the height the electrical contractor is saying must be used on site. Which of the following forms would be used by the integrator to seek clarification of the correct mounting height of wall plates?

Options:

A.  

Construction Change Directive (CCD)

B.  

Request for Information (RFI)

C.  

Request for Change (RFC)

D.  

Change Order (CO)

Discussion 0
Questions 23

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

Discussion 0
Questions 24

For wireless microphone transmitters and receivers to be paired, they must share the same group and ___.

Options:

A.  

Channel

B.  

Sideband

C.  

Serial number

D.  

Antenna

Discussion 0
Questions 25

When applying electrical tape to a snout you should use _____ at the transitions to make the snout smooth and tapered.

Options:

A.  

Extra wraps of tightly stretched electrical tape

B.  

Cotton

C.  

Extra cable lubricant

D.  

Extra pull string

Discussion 0
Questions 26

What are key considerations when determining projector placement? (Choose all that apply.)

Options:

A.  

Throw distance

B.  

Type of lens

C.  

Offset value

D.  

Standard deviation

Discussion 0
Questions 27

The minimum SAE grade rating recommended for AV mounts is:

Options:

A.  

2

B.  

>8

C.  

5

D.  

8

Discussion 0
Questions 28

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

Discussion 0
Questions 29

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

Discussion 0
Questions 30

Heat dissipated by equipment in an AV rack is measured in:

Options:

A.  

Degrees

B.  

Coulombs

C.  

BTU/H

D.  

Watts

Discussion 0
Questions 31

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

Discussion 0
Questions 32

Why is it a good idea for the AV installer to provide end-user training on a new system?

Options:

A.  

It reduces the number of service calls and damaged equipment caused by user error

B.  

To identify future sales opportunities

C.  

Good opportunity to identify punch or defects list items

D.  

Most state codes require service after the sale

Discussion 0
Questions 33

In the conduit capacity formula, the two symbols used are ___ diameter of the conduit and ____ diameter of the cable.

Options:

A.  

Inner, outer

B.  

Outer, inner

C.  

Outer, outer

D.  

Inner, inner

Discussion 0
Questions 34

The permissible area for one cable in a conduit is limited to _____ percent of the conduit area.

Options:

A.  

31

B.  

53

C.  

40

D.  

73

Discussion 0
Questions 35

Which of the following is true of an IP control system?

Options:

A.  

It can be connected to equipment over the LAN.

B.  

It works with all models of equipment.

C.  

It is slower than serial control systems.

D.  

It runs machine code only.

Discussion 0
Questions 36

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

Discussion 0
Questions 37

Oscillating symbol 'tilde' ~ with Resistor IMAGE

WHAT IS IS?

Options:

A.  

AC Circuit

B.  

DC Circuit

C.  

Series Circuit

D.  

Parallel Circuit

Discussion 0
Questions 38

Which of the following are HDCP authentication steps? (Choose all that apply.)

Options:

A.  

Locality check

B.  

Key exchange

C.  

Audio and video sync check

D.  

Session exchange

Discussion 0
Questions 39

An octave is _____.

Options:

A.  

an eighth of amplitude

B.  

an eighth of a frequency

C.  

a doubling of frequency

D.  

a doubling of amplitude

Discussion 0
Questions 40

How would a commissioning technician establish substantial completion/practical completion?

Options:

A.  

Complete all preliminary tests, confirm systems installation and readiness for final test

B.  

Generate a punch or defects list, getting architects to sign off on repairs

C.  

Generate a list of all damaged equipment, setting up the DSP

D.  

Complete a request for changes form, filing an RFQ

Discussion 0
Questions 41

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

Discussion 0
Questions 42

Typically, what type of connector finishes the shielded twisted pair cable?

Options:

A.  

USB

B.  

XLR

C.  

RJ-45

D.  

TRS

Discussion 0
Questions 43

Which of the following is a form of encryption to protect copyrighted content?

Options:

A.  

VESA

B.  

EDID

C.  

HDMI

D.  

HDCP

Discussion 0
Questions 44

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

Discussion 0
Questions 45

_____ signals combine all five video signals on a single cable.

Options:

A.  

Component

B.  

RGBS

C.  

Composite

D.  

RGBHV

Discussion 0
Questions 46

Place a cable label on ____ of every cable.

Options:

A.  

the cable jacket on the load end

B.  

the cable jacket of the source end

C.  

every connector

D.  

both ends of the cable jacket

Discussion 0
Questions 47

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

Discussion 0
Questions 48

_____ 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

Discussion 0
Questions 49

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

Discussion 0
Questions 50

What is inserted between structural building elements to provide a secure mounting point for products?

Options:

A.  

Post-tension cables

B.  

Grade 5 bolts

C.  

Poured pan concrete

D.  

Wood blocking

Discussion 0
Questions 51

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

Discussion 0
Questions 52

Project budget refers to which of the following?

Options:

A.  

The amount of labor and materials the project manager has allocated to complete the project

B.  

The total amount that the client has paid the AV company for the project

C.  

The amount needed for purchasing the materials and supplies

D.  

The actual cost of labor and materials used to complete the project

Discussion 0
Questions 53

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

Discussion 0
Questions 54

Who should evaluate all mounting plans and be consulted on difficult mounting situations?

Options:

A.  

Design consultant

B.  

Mechanical contractor

C.  

AV project manager

D.  

Structural engineer

Discussion 0
Questions 55

A customer has recently added a second wireless microphone to an existing system. The customer now complains that the sound quality from both microphones has degraded. Of the following, which is the MOST LIKELY cause for the problem?

Options:

A.  

The existing wireless microphone is too old to be used with the new wireless microphone.

B.  

The new wireless microphone shares a similar frequency as the old wireless microphone.

C.  

The new wireless microphone is from a different manufacturer

D.  

The old wireless microphone battery is dying.

Discussion 0
Questions 56

Equipment grounding involves ____.

Options:

A.  

disconnecting ground pins to prevent noise

B.  

making certain that noise does not flow on signal conductors

C.  

tying all conductors to ground

D.  

connecting metal conduits, boxes, cabinets, and enclosures to ground

Discussion 0
Questions 57

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

Discussion 0
Questions 58

Which of the following is an unambiguous, technical term?

Options:

A.  

Quiet ground

B.  

Individual branch circuit

C.  

Dedicated ground

D.  

Clean power

Discussion 0
Questions 59

DISCAS addresses the following viewing categories:

Options:

A.  

Passive Viewing

B.  

Basic Decision Making

C.  

Analytical Decision Making

D.  

Full Motion Video

Discussion 0
Questions 60

Pressurization cools a rack by _____.

Options:

A.  

forcing cool air out through the top vents

B.  

creating a vacuum, drawing warmer air out of the rack

C.  

blowing cooler air into the rack with fans

D.  

pulling cool air directly from the room's HVAC into a rack

Discussion 0
Questions 61

An audio signal level that goes up to about 100V is _____ level.

Options:

A.  

professional line

B.  

consumer line

C.  

mic

D.  

loudspeaker

Discussion 0
Questions 62

Because electrets are small, they lend themselves to a wide variety of _____ and quality levels.

Options:

A.  

condensers

B.  

capacitors

C.  

materials

D.  

Applications

Discussion 0
Questions 63

What are the five stages of the typical AV process lifecycle?

Options:

A.  

Programming, executing, planning, installing, closing

B.  

Programming, designing, installing, commissioning, training

C.  

Designing, installing, planning, commissioning, training

D.  

Initiating, planning, executing, control, closing

Discussion 0
Questions 64

Which of the following is mic-level voltage?

Options:

A.  

316 millivolts (-10dBV)

B.  

1.23 volts (+4dBu)

C.  

Up to about 100 volts

D.  

0.3 to 1 millivolts (-60 to -50dBu)

Discussion 0
Questions 65

Mirrors are used in rear projection systems to ____.

Options:

A.  

increase the brightness of an image

B.  

save space

C.  

cut down on installation time

D.  

focus an image

Discussion 0
Questions 66

What type of rack would you use for an AV event at a remote location?

Options:

A.  

Stand-alone rack

B.  

Open-frame (gangable) rack

C.  

Portable rack with casters

D.  

Portable shock-mounted rack with casters

Discussion 0
Questions 67

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

Discussion 0
Questions 68

At the end of the project, once installation and verification are complete, acceptance of the completed system is documented in a commissioning report and typically signed by:

Options:

A.  

The systems engineer and/or the head of the legal department

B.  

The head technician and/or the building architect

C.  

The contractor and/or the head of the technical staff

D.  

The owner and/or the general contractor

Discussion 0
Questions 69

Which of the following is an advantage for using an HDMI cable?

Options:

A.  

HDMI comes in both wireless and wired solutions

B.  

HDMI cables can carry many kinds of signals at once

C.  

HDMI cables do not have length limitations

D.  

HDMI cables are highly customizable; you can choose their length and field terminate them

Discussion 0
Questions 70

_______ can transmit AV signals and other data up to a distance of 1km (3,280ft) or more before signal quality is compromised.

Options:

A.  

Shielded twisted-pair (STP) cabling

B.  

Multimode fiber-optic cabling

C.  

Unshielded twisted-pair (UTP) cabling

D.  

Coaxial cabling

Discussion 0
Questions 71

Before installation begins, it is most important to:

Options:

A.  

Have a clear understanding of the scope of work

B.  

Ensure all equipment is delivered

C.  

Verify the power requirements

D.  

Check the cable inventory

Discussion 0
Questions 72

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

Discussion 0
Questions 73

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

Discussion 0
Questions 74

An element is __________.

Options:

A.  

a group of pixels conveying an item of information

B.  

20 pixels

C.  

the height of a capital T

D.  

the size of the display

Discussion 0
Questions 75

Where should you place the wireless microphone receiver antenna in a rack assembly?

Options:

A.  

Line of sight to the transmitter

B.  

Inside the transmitter room

C.  

In the front of the rack

D.  

At the rear of the rack

Discussion 0
Questions 76

On a projection screen, hot spotting appears as a _____.

Options:

A.  

Bright area

B.  

Burned image

C.  

Red outline

D.  

Grey pixels

Discussion 0
Questions 77

Projector optics is defined as a _____.

Options:

A.  

light source and a series of lamps that carry an image on a screen

B.  

series of lenses that carry an image on a screen

C.  

series of mirrors and lights that carry an image on a screen

D.  

system of lamps and lenses that carry an image on a screen

Discussion 0
Questions 78

Rear screen display applications are considered _____.

Options:

A.  

remissive

B.  

emissive

C.  

transmissive

D.  

Reflective

Discussion 0
Questions 79

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

Discussion 0
Questions 80

Customer service is of high importance for _____ in the AV industry.

Options:

A.  

independent representatives

B.  

manufacturers

C.  

rental providers

D.  

all job roles

Discussion 0
Questions 81

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

Options:

A.  

gates

B.  

filters

C.  

limiters

D.  

Absorbers

Discussion 0
Questions 82

What devices can interfere with DECT 6.0 wireless microphones?

Options:

A.  

Laptops with Wireless network cards

B.  

Cordless phones

C.  

Wireless routers

D.  

Bluetooth devices

Discussion 0
Questions 83

SDI signals are usually transported using _____ connectors.

Options:

A.  

RCA

B.  

BNC

C.  

HDMI

D.  

DVI-D

Discussion 0
Questions 84

Which of the following is true for grouping cables together?

Options:

A.  

Keep your signal cables as close as possible to sources of electrical noise

B.  

Separate microphone and speaker cables into different bundles

C.  

Use nonmetallic conduit for signal cables when nonmetallic conduit is used for power cables

D.  

Signal cables should be routed with power cables

Discussion 0
Questions 85

What is a dependency within a project task schedule?

Options:

A.  

A task that cannot begin before another task has been completed

B.  

A task that must be completed by a specific date

C.  

A task that will be required if specific conditions occur at the project site

D.  

An optional task that the client can determine is needed once the project is underway

Discussion 0
Questions 86

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

Discussion 0
Questions 87

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

Discussion 0
Questions 88

Four factors related to primary optics that influence the quality of the projected image are _____.

Options:

A.  

reflection, curvature, spherical aberration dispersion of field

B.  

refraction, presentation, spherical aberration and curvature of field

C.  

reflection, dispersion, spherical aberration and curvature of field

D.  

refraction, dispersion, spherical aberration and curvature of field

Discussion 0
Questions 89

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)

Discussion 0
Questions 90

What are the two types of light meters?

Options:

A.  

directed and measured

B.  

incident and reflected

C.  

reading and walking

D.  

projected and monitored

Discussion 0
Questions 91

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

Discussion 0
Questions 92

HDCP is capable of working over which of the following interfaces? (Choose all that apply.)

Options:

A.  

DisplayPort

B.  

HDMI

C.  

MHL

D.  

HDBaseT

Discussion 0
Questions 93

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

Discussion 0
Questions 94

What should be done with empty cardboard equipment boxes?

Options:

A.  

Returned to the manufacturer

B.  

Stored in a closet

C.  

Discarded in the dumpster/waste container

D.  

Discarded where indicated by the client

Discussion 0
Questions 95

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

Discussion 0
Questions 96

Which of the following are elements of a control system? (Choose all that apply.)

Options:

A.  

Firmware

B.  

Hardware

C.  

Software

D.  

Spyware

Discussion 0
Questions 97

If the measured power in a circuit is 5W, and the current is 1.5 amps, what is the voltage?

Options:

A.  

4 V

B.  

0.3 V

C.  

7.5 V

D.  

3.3 V

Discussion 0
Questions 98

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

Discussion 0
Questions 99

What type of termination technique is used for a BNC connector?

Options:

A.  

Solder

B.  

Crimp

C.  

Insulation displacement

D.  

Stab and twist

Discussion 0
Questions 100

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

Discussion 0
Questions 101

Before submitting AV System drawings to external project stakeholders, the integrator should conduct an internal review of the drawings to ensure that _____.

Options:

A.  

the lowest cost equipment that meets the client's need has been specified

B.  

all of the required equipment is already in stock

C.  

there are no discrepancies among the equipment list, drawings, and specifications

D.  

all required system performance verification tests have been conducted

Discussion 0
Questions 102

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

Discussion 0
Questions 103

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)

Discussion 0
Questions 104

What are the benefits of using the ANSI/AVIXA 10:2013 Standard for Audiovisual Systems Performance Verification? (Choose all that apply.)

Options:

A.  

Reducing project risk

B.  

Aligning outcome and performance expectations

C.  

Providing a verifiable outcome

D.  

Creating reporting that completes the project documentation

Discussion 0
Questions 105

Which is the preferred method for the correction of keystone distortion?

Options:

A.  

Optical

B.  

Electronic

C.  

Digital

D.  

Analog

Discussion 0
Questions 106

Why is proper weight distribution in a rack important?

Options:

A.  

so the AV technicians do not strain themselves installing gear

B.  

so the rack does not tip over

C.  

so the left and right sides of the rack are an equal weight

D.  

so the rack does not exceed 500 lbs. (227kg)

Discussion 0
Questions 107

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

Discussion 0
Questions 108

Loudspeakers intended for direct coupled wiring have _____.

Options:

A.  

high impedance

B.  

transformers with taps

C.  

internal amplifiers

D.  

low impedance

Discussion 0
Questions 109

_____ refers to the hardware's elasticity. This is how much stress the material can withstand before it physically stretches.

Options:

A.  

Shock load

B.  

Tensile strength

C.  

Pull out

D.  

Shear

Discussion 0
Questions 110

Exceeding the pulling tension can stretch a cable and change its _____.

Options:

A.  

plenum rating

B.  

electrical properties

C.  

bend radius

D.  

length

Discussion 0
Questions 111

When mounting a projector to the ceiling, one must identify the center point location of the mounting assembly, because:

Options:

A.  

This is the point where the projector's weight is evenly distributed over the entire mounting plate.

B.  

This is where the adjustable mount support structure must be centered.

C.  

This is the center point of the projector's lens.

D.  

This is the projection throw distance calculation reference point.

Discussion 0
Questions 112

Which of the following can control systems operate remotely? (Choose all that apply.)

Options:

A.  

Power

B.  

Drapes/curtains

C.  

Display monitors

D.  

Lights

Discussion 0
Questions 113

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

Discussion 0
Questions 114

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

Options:

A.  

Three

B.  

Four

C.  

Five

D.  

Two

Discussion 0
Questions 115

When a transmitter or radio station creates noise in a microphone line, it is called _____.

Options:

A.  

EMI

B.  

a magnetic field

C.  

hum or buzz

D.  

RFI

Discussion 0
Questions 116

_____ is the distance in meters between two corresponding points of two consecutive cycles.

Options:

A.  

Magnitude

B.  

Amplitude

C.  

Frequency

D.  

Wavelength

Discussion 0
Questions 117

Which of the following is allowed by a parametric equalizer?

Options:

A.  

a visual representation of the frequency adjustments

B.  

center frequency and bandwidth adjustment

C.  

numerous adjustment points

D.  

compatibility with audio mixers or DSP units

Discussion 0
Questions 118

HDMI builds on the DVI standard by adding _____.

Options:

A.  

device protection

B.  

ISDN

C.  

video

D.  

content protection

Discussion 0
Questions 119

Which is an RS232 parameter?

Options:

A.  

Parity

B.  

Bandwidth

C.  

Subnet mask

D.  

Polarity

Discussion 0
Questions 120

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

Discussion 0
Questions 121

OLEDs are _____ type devices.

Options:

A.  

lenticular

B.  

transmissive

C.  

refractive

D.  

Emissive

Discussion 0
Questions 122

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.

Discussion 0
Questions 123

Which of the following should be included in a Network Device Inventory? (Choose all that apply.)

Options:

A.  

Ports used by each device

B.  

Device model numbers and firmware versions

C.  

Physical dimensions of each device

D.  

MAC address of each device

Discussion 0
Questions 124

For the purpose of sound reinforcement, loudspeakers are at the end of the _____ path.

Options:

A.  

electrical signal

B.  

acoustic energy

C.  

reproduced signal

D.  

transduced energy

Discussion 0
Questions 125

What should you do with equipment manuals and software documentation? (Choose all that apply.)

Options:

A.  

Leave a copy with the AV rack

B.  

Leave a copy in the storage closet

C.  

Arrange them in alphabetical order

D.  

Arrange them by function

Discussion 0
Questions 126

What assumptions should you make about an audio system when there is no audio output? (Choose all that apply.)

Options:

A.  

The gain on the main audio amplifier may be wound down to zero.

B.  

The mixing desk channel for the microphone is switched to line input mode.

C.  

The user is a complete idiot and did not switch the microphone on.

D.  

Make no assumptions at all and select a troubleshooting strategy.

Discussion 0
Questions 127

What are the primary colors of light?

Options:

A.  

red, blue, and yellow

B.  

red, blue, and white

C.  

red, blue, and black

D.  

red, blue, and green

Discussion 0
Questions 128

_____ discrete DMDs are used in larger DLP projectors to generate color.

Options:

A.  

Four

B.  

Three

C.  

Two

D.  

Five

Discussion 0
Questions 129

How do you determine bolt depth?

Options:

A.  

Insert a tool or screw driver into the mounting hole in the electronic device as a depth gauge.

B.  

Drill a screw into the mounting hole and pull on it to see if it seems sturdy. If it doesn't move, it's safe to use.

C.  

Insert different bolt types in the mounting hole until you find one that seems to turn easily in the hole.

D.  

Thread a long bolt into the mounting hole and turn it until it becomes difficult to turn, and then mark the threads of a bolt.

Discussion 0
Questions 130

Sound energy can reflect in either _____ fashion.

Options:

A.  

backward or split

B.  

direct or scattered

C.  

reversed or diffused

D.  

specular or broken

Discussion 0
Questions 131

Which diagram is used for positioning mounted equipment within a rack?

Options:

A.  

A rack building diagram

B.  

A rack elevation diagram

C.  

A rack mounting diagram

D.  

A rack system diagram

Discussion 0
Questions 132

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

Discussion 0
Questions 133

Component video requires _____ cable(s) to carry the signal.

Options:

A.  

1

B.  

4

C.  

3

D.  

2

Discussion 0
Questions 134

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

Options:

A.  

cardioid

B.  

hypercardioid

C.  

tri-directional

D.  

dynamic

Discussion 0
Questions 135

Soldering is the process of joining two conductive components in a way that ____.

Options:

A.  

Continues the electrical path.

B.  

Decreases the resistance of the components.

C.  

Insulates one from the other.

D.  

Protects the user from electric shock.

Discussion 0
Questions 136

When pulling a group of cables through conduit, it is advisable to:

Options:

A.  

Tape them together

B.  

Make a bulkhead

C.  

Use the AV pulley system

D.  

Utilize a sling

Discussion 0
Questions 137

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

Discussion 0
Questions 138

The refractive index varies for different wavelengths of light, producing an effect called _____.

Options:

A.  

refraction

B.  

reflection

C.  

dispersion

D.  

Absorption

Discussion 0
Questions 139

Visual Acuity is __________.

Options:

A.  

the visual angle of 1 minute of arc

B.  

the ability to perceive and assimilate visual information

C.  

an optotype

D.  

20/20 vision

Discussion 0
Questions 140

In which situations or environments is the system optimization method of gain adjustment preferable to the unity gain method? (Choose all that apply.)

Options:

A.  

In performing arts centers and lecture halls

B.  

For installations with short deadlines

C.  

For systems with 750m V input signal levels

D.  

Where clipping levels will not vary within the system

Discussion 0
Questions 141

The strength of the signal from a dynamic microphone is _________.

Options:

A.  

Not as strong as the microphone level signal from a condenser microphone

B.  

Weak compared to an electret microphone

C.  

Stronger than a condenser microphone's signal level

D.  

Approximately equal to the signal level of all other microphone types

Discussion 0
Questions 142

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

Discussion 0
Questions 143

The impedance will _____ over the loudspeaker's entire frequency range.

Options:

A.  

stabilize

B.  

not be the same

C.  

vary with strength

D.  

be exactly the same

Discussion 0