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AVIXA CTS-I Certified Technology Specialist – Installation Exam Practice Test

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Total 477 questions

Certified Technology Specialist – Installation Questions and Answers

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Question 1

Dispersion causes waves of different colors to:

Options:

A.

converge

B.

spread apart

C.

bend

D.

speed up or slow down

Question 2

What is a benefit of using the verification standard for system closeout? (Choose all that apply.)

Options:

A.

It aligns outcome and performance expectations at an early stage in the project.

B.

It reduces project risk through early identification of problems, thereby reducing the likelihood of remedial work.

C.

It provides a verifiable outcome.

D.

It creates a common language between all parties.

Question 3

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

Question 4

Which of the following stage lighting instruments is used as a spotlight?

Options:

A.

Pan and tilt lighting

B.

PAR64

C.

ELS or Ellipsoidal Reflective Spotlight

D.

Parabolic Aluminized Reflector Light

Question 5

DISCAS addresses the following viewing categories:

Options:

A.

Passive Viewing

B.

Basic Decision Making

C.

Analytical Decision Making

D.

Full Motion Video

Question 6

The number of times per second a display will draw the image sent to it is the:

Options:

A.

Frame rate

B.

Refresh rate

C.

Signal-to-noise ratio

D.

Aspect ratio

Question 7

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

Question 8

The minimum SAE grade rating recommended for AV mounts is:

Options:

A.

2

B.

>8

C.

5

D.

8

Question 9

When demonstrating the operation of a digital visual system with multiple connections for laptops, it is recommended to:

Options:

A.

Connect the laptops to confirm that they will properly display the resolution set by the EDID table

B.

Use a video test pattern generator to test all laptop connections

C.

Describe the different resolutions that the system is capable of displaying

D.

Utilize a real time generator to confirm that the system will output the proper resolution set by the EDID table

Question 10

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

Question 11

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

Question 12

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

Question 13

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)

Question 14

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

Question 15

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

Options:

A.

refraction

B.

reflection

C.

absorption

D.

scattering

Question 16

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

Question 17

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

Question 18

_____ 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

Question 19

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.

Question 20

Which of the following is the most important consideration during the installation of AV systems in a client-occupied space?

Options:

A.

Securing access to any office supplies or tools belonging to the client that may be useful in completing the installation

B.

Acoustically treating any spaces adjacent to the area where work will take place

C.

Ensuring your attire is as formal as the client's

D.

Avoiding disruptions to your client's business

Question 21

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

Question 22

What is the measurement for frequency?

Options:

A.

DC

B.

Wavelength

C.

Hertz

D.

AC

Question 23

During a technical site survey for an installation with a display, information gathered should include:

Options:

A.

Color of the walls

B.

Receptionist name and phone number

C.

Ceiling height and construction method

D.

Rules governing use of the freight elevator

Question 24

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

Question 25

You should use _____ to permanently secure cables in a rack.

Options:

A.

Wire ties

B.

Gaffer's tape

C.

Velcro fasteners

D.

Electrical tape

Question 26

Transmission is defined as sound energy that is _____.

Options:

A.

reflected through a partition

B.

absorbed and reflected

C.

remaining in the space

D.

not reflected or absorbed

Question 27

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

Question 28

In electronics, bandwidth is expressed in terms of the frequency of ___.

Options:

A.

Light

B.

Voltage

C.

Connections

D.

Signal

Question 29

Modern RF wireless microphones allow the user to _____ frequencies to avoid interference.

Options:

A.

change

B.

eliminate

C.

regulate

D.

Distort

Question 30

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

Options:

A.

Bright area

B.

Burned image

C.

Red outline

D.

Grey pixels

Question 31

Which of the following provides a method of ensuring the best image quality between source and sink/display?

Options:

A.

HDCP

B.

EDID

C.

HDMI

D.

Hot plug

Question 32

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

Question 33

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

Question 34

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

Question 35

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

Question 36

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

Question 37

Which one of these is an unsafe lift practice?

Options:

A.

Do not bend your knees and do the lifting with your back.

B.

Be sure to keep a firm footing and balance the weight between your feet

C.

Do not perform the lift alone; Always have a partner or helper.

D.

Perform the lift slowly; Do not make sudden movements or rotate during the lift

Question 38

As a general rule, never bend cable in a radius of less than _____.

Options:

A.

6 inches (15 cm)

B.

2 inches (5 cm)

C.

3 inches (8 cm)

D.

4 inches (10 cm)

Question 39

The ___ of a screen should be the same aspect ratio as the projected image.

Options:

A.

shape

B.

size

C.

keystone

D.

height

Question 40

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

Question 41

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

Question 42

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

Question 43

When pulling cable through ceilings without the use of conduit you should:

Options:

A.

Keep the cable off of the ceiling tile where the drop ceiling grid can generate noise

B.

Only let the cable and drop ceiling grid cross at 90 degree angles

C.

Run the cable directly on top of the ceiling grid

D.

Use non-drying cable lubricant to isolate cable from potential noise sources

Question 44

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

Question 45

The total impedance of a circuit wired in series is represented by the formula _____.

Options:

A.

P = I * E

B.

ZT =1 / [(1 / Z1) + (1 / Z2) + (1 / Z3) ... + (1 / ZN)]

C.

ZT = Z1 + Z2 + Z3 ... + ZN

D.

ZT =1 / (Z1 + Z2 + Z3 ...+ ZN)

Question 46

What are the methods used to cool an AV equipment rack? (Choose all that apply.)

Options:

A.

Pressurization

B.

Decompression

C.

Refrigeration

D.

Evacuation

Question 47

In an electrical power distribution installation, the safety earth/ground connects to: (Choose all that apply.)

Options:

A.

the ground (planet Earth)

B.

raceways, ducts, conduit, and cable trays

C.

exposed conductive parts of the installation

D.

equipment racks

Question 48

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

Question 49

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

Question 50

When a live microphone is placed too close to a loudspeaker, ____ will occur.

Options:

A.

feedback

B.

buzzing

C.

static

D.

Amplification

Question 51

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

Options:

A.

Optical

B.

Electronic

C.

Digital

D.

Analog

Question 52

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

Question 53

Which adjustment on a video wall processor will compensate for the borders between the individual displays?

Options:

A.

Overscan

B.

Mullion adjustment

C.

EDID

D.

Frame rate reduction

Question 54

How can you secure cargo on a truck?

Options:

A.

Remove the load bars from the truck once the equipment has been packed

B.

Completely fill carts to minimize time spent loading and unloading

C.

Group heavy equipment near the back tires to protect the driver

D.

Use straps to prevent the load from shifting during transit

Question 55

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

Question 56

Which type of control system provides device operation by opening or closing an electrical current or voltage loop?

Options:

A.

IR control

B.

Contact closure

C.

RF control

D.

Serial control

Question 57

Which document lists out the specific materials needed for an AV installation?

Options:

A.

Presubmittal documents

B.

As Built drawings

C.

Architectural drawings

D.

Bill of Materials

Question 58

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

Question 59

Which of the following is the AV team likely to perform during new construction?

Options:

A.

Install the sprinkler system

B.

Run cables and install mounts

C.

Mount the drop ceiling

D.

Build the firewall

Question 60

Which of the following should a maintenance log include? (Choose all that apply.)

Options:

A.

Devices replaced

B.

Description of problem

C.

Date of service

D.

Name of technician

Question 61

A rack unit is equivalent to approximately ____.

Options:

A.

1.75in (44.5mm)

B.

2.25in (57mm)

C.

2in (51mm)

D.

1.5in (38mm)

Question 62

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

Question 63

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

Question 64

Which is an RS232 parameter?

Options:

A.

Parity

B.

Bandwidth

C.

Subnet mask

D.

Polarity

Question 65

If sound energy is absorbed by the materials in the space, it has _____.

Options:

A.

stopped existing

B.

disappeared

C.

been converted to heat

D.

Broken

Question 66

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

Question 67

When training a customer on the operation of a touch panel interface, an example that the GUI is a good design that meets the customer's needs:

Options:

A.

The customer can easily step in and use the Touch Panel with little explanation

B.

The customer requires intensive training on the operation of the Touch panel

C.

The customer thinks the panel looks cool

D.

The customer wants only a few changes

Question 68

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

Question 69

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

Options:

A.

VESA

B.

EDID

C.

HDMI

D.

HDCP

Question 70

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

Options:

A.

Snout

B.

Tape measure

C.

Mouse

D.

Fish tape

Question 71

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

Question 72

Most transformers have multiple wires on the primary side that allow you to adjust the ____ each loudspeaker.

Options:

A.

Placement of

B.

Impedance of

C.

Wiring scheme for

D.

Voltage level to

Question 73

In a projected image, adding colors makes the image _____.

Options:

A.

dimmer

B.

brighter

C.

sharper

D.

Darker

Question 74

An ever-changing current in a conductor can:

Options:

A.

induce a noise voltage in a nearby conductor

B.

create radio frequency interference (RFI)

C.

unbalance the circuit

D.

reduce noise coupling

Question 75

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

Question 76

When working with fiber-optic cable, what is a major concern?

Options:

A.

It takes too much time.

B.

It bends easily.

C.

Improper handling can lead to injury.

D.

It is highly susceptible to loss of signal quality over distance.

Question 77

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

Question 78

Crossover cables are used to connect:

Options:

A.

digital and analog devices

B.

devices configured to accept different Data Link layer protocols

C.

two devices without the use of an electronic crossover device

D.

a device's NIC to its MAC address

Question 79

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

Options:

A.

Component

B.

RGBS

C.

Composite

D.

RGBHV

Question 80

A scope statement should include:

Options:

A.

Only the items within the project scope

B.

Only the items within the deliverable scope

C.

All the tasks that have to be performed

D.

Both in-scope and out-of-scope items

Question 81

When demonstrating the operation of a digital visual system with multiple connections for laptops, it is recommended to:

Options:

A.

Connect the laptops to confirm they will properly display the resolution set by the EDID table

B.

Use a video test pattern generator to test all laptop connections

C.

Describe the different resolutions that the system is capable of displaying

D.

Utilize a real time generator to confirm that the system will output the proper resolution set by the EDID table

Question 82

One obstacle to the usage of OLEDs is their ____.

Options:

A.

size

B.

short life span

C.

install requirements

D.

expensive price

Question 83

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

Question 84

Signal processing circuitry and cables are subject to surrounding sources of _____.

Options:

A.

electrical noise

B.

unintended signals

C.

mechanical fields

D.

signal conductors

Question 85

How many dimensions does color space possess?

Options:

A.

two

B.

three

C.

five

D.

four

Question 86

Which of the following describes the number of cycles in a given time period?

Options:

A.

wavelength

B.

frequency

C.

amplitude

D.

Magnitude

Question 87

The range of radio frequencies between 300 MHz to and 3 GHz is the ___ band.

Options:

A.

UHF

B.

VLF

C.

VHF

D.

HF

Question 88

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

Question 89

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

Question 90

When should you run electrical and signal cables to a flat panel display?

Options:

A.

Before you've found all of the studs behind the mounting wall

B.

After you've made final adjustments to the display based on the viewing environment

C.

Once you've placed it upon a flat, clean, shipping blanket

D.

After it's been mounted to the wall

Question 91

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

Question 92

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

Question 93

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

Question 94

Transmitters and receivers work by replacing a(n) _____ cable with a(n) ______ cable to forgo cable length limitations.

Options:

A.

RGBHV, HDMI

B.

CAT5e, CAT6

C.

HDMI, CAT-style

D.

CAT-style, HDMI

Question 95

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.

Question 96

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

Options:

A.

Four

B.

Three

C.

Two

D.

Five

Question 97

For an ethernet cable (UTP) to meet certification standards, the maximum length is

Options:

A.

98' or 30m

B.

328' or 100m

C.

492' or 150m

D.

984' or 300m

Question 98

When planning an electrical system, do not exceed ____ of the capacity of any circuit.

Options:

A.

80%

B.

95%

C.

75%

D.

65%

Question 99

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)

Question 100

What kind of material might be used in some rear projection screen applications?

Options:

A.

high-gloss

B.

opaque

C.

diffused

D.

Reflective

Question 101

Two common scales used on technical drawings are ____.

Options:

A.

1/4 inch and 1:25.75

B.

1/4 inch and 1:100

C.

1/3 inch and 1:225

D.

1/2 inch and 1:105

Question 102

What type of rack would you use for a room with limited space for servicing equipment?

Options:

A.

Fixed stand-alone

B.

Portable

C.

Wall-mounted

D.

Slide out

Question 103

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

Question 104

Why is equipment grounded or wired to the earth?

Options:

A.

to comply with energy conservation regulations

B.

to limit human exposure to high-voltage electricity

C.

to direct excess voltage along the paths of least resistance

D.

to secure equipment in the event of a natural disaster

Question 105

Which of the following is an unambiguous, technical term?

Options:

A.

Quiet ground

B.

Individual branch circuit

C.

Dedicated ground

D.

Clean power

Question 106

What is the ratio between the remaining transmissive surface of each pixel and the total surface of the LCD called?

Options:

A.

surface ratio

B.

aperture ratio

C.

contrast ratio

D.

edge ratio

Question 107

Oscillating symbol 'tilde' ~ with Resistor IMAGE

WHAT IS IS?

Options:

A.

AC Circuit

B.

DC Circuit

C.

Series Circuit

D.

Parallel Circuit

Question 108

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

Question 109

What does the impedance of a loudspeaker depend upon?

Options:

A.

frequency

B.

directionality

C.

sensitivity specification

D.

driver type

Question 110

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

Question 111

What is a power system that is solely used for computer and electronic systems called?

Options:

A.

Power distribution system

B.

Isolated ground system

C.

Supplemental ground system

D.

Individual branch circuit

Question 112

Wavelength is the __________.

Options:

A.

Intensity or loudness of a sound in a particular medium.

B.

Physical distance between two points of a waveform that are exactly one cycle apart.

C.

Cycle when molecules move from rest through compression to rest and rarefaction.

D.

Number of times a wavelength cycle occurs per second.

Question 113

What will a stakeholder analysis help you identify?

Options:

A.

The original timeline for the project

B.

The changes that were made to the architectural drawings

C.

The client's concerns and fears about the AV system

D.

The GCs budget for the AV system

Question 114

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

Question 115

A technician is servicing a projector with a problematic RGBHV input. The image has a magenta hue. What is the cause for the magenta hue?

Options:

A.

Loss of horizontal sync

B.

Loss of vertical sync

C.

Lamp is reaching end of life

D.

Loss of green signal

Question 116

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

Options:

A.

service entrance

B.

hot spot

C.

facility drop

D.

demark

Question 117

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

Question 118

A(n) _____ is a graphical representation of the microphone's directionality and electrical response characteristics.

Options:

A.

frequency response specification chart

B.

polar plot

C.

electrical output level diagram

D.

performance criteria circle graph

Question 119

The equation which correctly states the difference in decibels for two power values is _____.

Options:

A.

10 times the logarithm of the inverse of the two numbers being compared

B.

10 times the logarithm of the difference of the two numbers being compared

C.

10 times the logarithm of the sum of the two numbers being compared

D.

10 times the logarithm of the ratio of the two numbers being compared

Question 120

Cameras installed _________ will capture the side of a participants head while they look at the display in front of them.

Options:

A.

Behind the presenter

B.

Too high up

C.

Too far to the left

D.

Too low down

Question 121

Sound _____ through a medium.

Options:

A.

propagates

B.

resounds

C.

generates

D.

Processes

Question 122

Which LAN topology connects devices to a central point?

Options:

A.

Star

B.

Mesh

C.

Bus

D.

Ring

Question 123

The cells in each pixel of a Plasma Display Panel (PDP) contain what colors?

Options:

A.

red, blue, green, and yellow

B.

red, green, black, and blue

C.

red, yellow, and blue

D.

red, green, and blue

Question 124

What should you do if you find a problem with the design of the loudspeaker placement?

Options:

A.

Move the loudspeaker into the better arrangement immediately

B.

Call the customer and let them choose the new placement of the loudspeaker

C.

Ignore the problem and install the loudspeaker as planned

D.

Contact the designer so they can decide if a change needs to be made

Question 125

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

Question 126

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

Question 127

What is a best practice when selecting fasteners for mounting AV equipment?

Options:

A.

Use bolts with smooth heads.

B.

Use standards-rated bolts.

C.

Use bolts that are available near the job site.

D.

Use bolts that are extra-long.

Question 128

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

Options:

A.

82kg (180lb)

B.

41kg (90lb)

C.

204kg (450lb)

D.

122kg (270lb)

Question 129

What kind of material might be used in some rear projection screen applications?

Options:

A.

diffused

B.

high-gloss

C.

reflective

D.

opaque

Question 130

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

Question 131

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

Question 132

Worldwide, most HD television channels broadcast in ____.

Options:

A.

1280x720

B.

1080i

C.

720p

D.

1080p

Question 133

Light energy _____ the farther you get from the source.

Options:

A.

remains the same

B.

changes color

C.

spreads out

D.

intensifies

Question 134

Which of the following are parts of an IP address for a networked device? (Choose all that apply.)

Options:

A.

Subnet mask

B.

Bit rate

C.

Network identifier

D.

Host identifier

Question 135

What CLI command would you use to discover the IP address of a device you are currently using?

Options:

A.

ping

B.

ipconfig

C.

arp

D.

loopback

Question 136

Wavelength and frequency determine the __________ of sound, while amplitude determines the __________.

Options:

A.

Volume; speed

B.

Volume; tone

C.

Speed; tone

D.

Pitch; volume

Question 137

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

Question 138

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

Question 139

Which of the following are transducers?

Options:

A.

Expanders

B.

Filters

C.

Gates

D.

Loudspeakers

Question 140

Which test verifies a signal can travel from one end of the cable to the other?

Options:

A.

Impedance

B.

Continuity

C.

Insulation

D.

Polarity

Question 141

During which phases of an AV project should performance verification be conducted? (Choose all that apply.)

Options:

A.

System design

B.

Pre-installation

C.

Completion

D.

System closeout

Question 142

Rear screen display applications are considered _____.

Options:

A.

remissive

B.

emissive

C.

transmissive

D.

Reflective

Question 143

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.

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