CTS Exam

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No viewing position in the horizontal plane should exceed __________ degrees from the opposite perpendicular edge of the displayed image.

60

The IETF recommends that no more than _____ bits of an IPv6 address be used as network identifier bits.

64

You measure the background noise level in a conference room at 40 dB SPL A-wtd. What is the target sound pressure level of the audio system?

65

According to the equal loudness curve chart below, how loud does a 20 Hz sound have to be before it is audible?

70 dB

In the building process what is the first milestone

Issue request for proposal

What information do you need in order to assign a static address to a device? Check all that apply.

Subnet Mask; MAC address; IP address

The following lists methods of control for an AV system.

IR, TCP/IP, RS-232

When purchasing AV supplies and equipment for a client AV installation project what needs to be done?

Identify needed equipment, tools and labor, work with vendors for prices and delivery schedule.

What is the main reason for conducting a Needs Analysis?

Identify the activities that the end-users will perform, and the functions that the AV system should provide to support these activities

Polar plot diagrams are used for which purpose?

Identifying a device's directionality at a given frequency

The Farthest Viewer distance for ADM depends on (select all that apply):

Image Height; Verical Image Resolution

The process of identifying the activities that end-users need to perform, and developing the functional descriptions of your systems is referred to as:?

Needs Analysis

An audio amplifier outputs 75 watts and then it is decreased to 50 watts. What is the change in decibels?

Negative -1.8 dB

Method and the Qualifications- Based Selection Method?

Negotiate with the highest ranking firm to finalize the contract

Which layer of the OSI model applies IP address to packets and routes them to their destinations?

Network

Sound waves have a time relationship to each other known as

Phase

What stages are in both small and large construction projects

Program, Design, Construction and Occupy

The program reports executive summary should contain a brief overview of the project and

Programming process

Whether a construction project is large or small, which milestones must be achieved in a typical schedule

Programming, Building Design, AV Bid, and Move-In

Whether a construction project is large or small, which milestones must be achieved in a typical schedule?

Programming, Building Design, AV Bid, and Move-In

When negotiating a contract for a job that will take a long time to complete, one should consider ______.

Progress, stage, or interim invoicing

There are four loudspeakers wired in parallel. Two of the loudspeakers each have an impedance of 8 ohms. Two of the loudspeakers each have an impedance of 16 ohms. Calculate the impedance of this parallel circuit.

2.7 ohms

The broadcast address for the network address 207.161.92.0/24 would be _____.

207.161.92.255

A screen is 125 inches (3175 mm) wide and the throw ratio is 2.3:1. How far from the screen should the projector be placed? Express your answer in inches or millimeters

287.5 in

If there are ____ bumps on the head of an ASTM ASE graded bolt, it is grade 5.

3

How many connectors do you need to connect an RS-232

3 wires 2-3-5

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

3.3 V

The screen is 120 inches (3048 mm) wide and the lens ratio is 2.5:1. How far from the screen should the projector be placed?

300 in

If the displayed text size in a projection presentation is 2‐inch/50‐mm then the viewer should not befarther away than:

300 inches/7,620 mm

The permissible area for two cables in a conduit is limited to _____ percent of the conduit area.

31%

Which of the following functions are handled by Internet Protocol (IP)? Select all that apply.

Routing packets; Fragmenting packets; Logical addres structure

Which layer of the OSI model sends Ethernet frames to their physical destinations?

Data Link

The main purpose of the program report is to list the equipment and model numbers that will be used in the final system

False

During the System Commissioning and training phase, what is the role of the punch or checklist

It defines the items that require resolution for project completion

What is a benefit of offering a free training session for a client with new equipment?

It is a positive approach for a long-term partnership

What constraints on working at a site need to be noted when collecting site information?

Limitations on activities, time of day, parking & loading, noise

How does the AV team use information about any identified constraints to the AV design and installation tasks?

The constraints identified in the needs assessment are considered in the design plan

What is the risk in using an OFE/Integrator Installed contract structure?

System and infrastructure design and facility functionality may suffer

What is the last step of the Construction Phase

Systems Training

Resistance is

The opposition to the flow of electrons in Direct Current.

In the program phase, what must be determined to assure that a functional AV system scope will be created?

The specific functions, tasks, and applications of the presenter

Why is it very important to document all changes or update activities on an AV system whenever they are performed?

To manage and maintain the system successfully over time.

A fundamental step in supporting the end user's needs is

determining the overall function of the room or facility type

What is a projector's throw distance?

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

There are eight loudspeakers wired in parallel and each loudspeaker's impedance is 16 ohms. The impedance of the circuit is _____ ohms.

2 ohms

You require a 16:9 screen with a height of 60 inches (1524 mm). What will the screen's diagonal be?

122.4

Please select the appropriate resolution for SXGA.

1280 x 1024

What is the aspect ratio of a screen with a width of 108 inches (2743 mm) and a diagonal of 135 inches (3429)?

135:101.25

Using best practices, determine maximum viewer distance by multiplying the text height by:

150

A screen is 72 inches (1829 mm) wide and the throw ratio is 2.1:1. How far from the screen should the projector be placed? Express your answer in inches or millimeters.

151.2 in

A _____ bit display will display 65,536 colors.

16

The screen is 90 inches (2286 mm) wide and the lens ratio is 2.0:1. How far from the screen should the projector be placed?

180 in

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

1800 W

When terminating a Category 5e cable with an 8P8C (RJ-45) connector, it is best practice to untwist each wire pair:

As little as possible to get each wire to enter the proper channel in the connector

How are lighting requirements determined for a given amount of space in a venue?

As the distance from a light source is doubled, perceived illumination decreases by 75%

Farthest viewer rule

No farther than 8X the screen's height

Devices that _____ should be on a VLAN. Check all that apply.

are in separate locations; need to communicate mostly with each other; are not intended to share network segments with other kinds of data

When data that has not been requested by a network client arrives at a gateway router, the firewall typically _____.

blocks the unsolicited packets

Composite video is made

by combining the luminance and chroma information onto one cable

A fundamental step in supporting the end user's needs is:

determining the overall function of the room or facility type

Employee evaluations must include:

Documentation of All standards

What Viewing Category applies to a space used for word processing and spreadsheets?

BDM

What is the standards for measuring light?

Candela, Lux, Nits

Resistance ____ the flow of current.

reduces

Phantom power is the _____ required to power a condenser microphone.

remote power

What should be included in the written Program Report?

...A conceptual and functional system description

1mm = how many inches

.0393

If the measured current is 10 A and the voltage is 120 V, what is the resistance in the circuit?

12 Ohms

A 1000BaseT network transmits _____.

1 Gbps baseband signals over twisted pair Cat cables

The current in a circuit is measured at 1 A, and the resistance is 1 ohm. What is the voltage?

1 V

What is the conversion from feet to meters

1 ft = .3048

What is the conversion of inches to millimeter

1 inch = 25.4 mm

Digital signals are a stream of

1's and 0's

Drag these 10 Gigabit physical media to place them in order from shortest cable run to longest.

1. 10GBaseCX4- Four-conductor balanced shielded twisted pair 2. 10GBaseT- Cat 5e twisted pair cable or better 3. 10GBaseLX4- 62.5/125 microm multimode optical fiber, 1310 nm wavelength 4. 10GBaseER- 9microm mode optical fiber, 1550 nm wavelength

Another way to signify an aspect ratio of 4:3 would be

1.33:1

The HDTV aspect ratio is equal to which of the following?

1.78:1

Match each reserved IPv4 network address range with its purpose.

10.0.0.0/8 - Private address range for large networks; 224.0.0.0/4 -Multicast address range; 169.254.0.0/16 - Automatic private IP addressing (APIPA) address range; 192.168.0.0/16 - Private address range for small to medium networks; 127.0.0.0/8 - Loopback address range

The term Fast Ethernet refers to _____.

100 Mbps Ethernet

If you are projecting onto a screen that is 10 feet (3 meters) wide and your projection distance to screenwidth ratio is 2.0:1, what should be the distance of the projector from the screen?

20 feet (6 meters)

When AV systems incorporate lighting controls, special considerations are given when the lighting is run on a ___ power system.

277 V

The current in a circuit is 0.5 A, and the voltage is measured at 9 V. What is the power?

4.5 W

If the measured current in a circuit is 5 A and the resistance is 8 ohms, what is the voltage?

40

How loud (in decibels) does a 60 Hz sound have to be for it to be audible?

40 dB

The permissible area for three or more cables in a conduit is limited to _____ percent of the conduit area.

40%

How far can RS-422 run and to how many devices

4000 ft and up to 10 devices

Calculate the image height for a 4 percent element height (round to the nearest inch or millimeter):

42 in

For good viewing, projected images should not be viewed at angles greater than _____degrees off of the projection axis

45

The aspect ratio for a 1024 x 768 computer display is

4:3

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

53%

Calculate the image height for a 3 percent element height (round to the nearest inch or millimeter):

56 in

A 16:9 screen will be installed in a lecture hall. The screen's diagonal is 72 inches (1829 mm). What is its width?

59.5

If the measured voltage in a circuit is 40 V, and the resistance is 8 ohms, what is the current?

5A

Sound level decreases _______dB every time the source to listener distance is doubled.

6

What type of project is suitable for a Consultant led design build

6 months or less

The polar plot below shows a loudspeaker's coverage pattern at 4 kHz. What is this loudpspeaker's coverage angle?

60 degrees

Viewing tasks are broken down by what?

8 when the viewers will generally observe content. 6 when the viewers will inspect content with clues and generally observe content. 4 when the viewers will inspect content without clues.

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

8.8

Calculate the image height for a 2 percent element height (round to the nearest inch or millimeter):

84 in

A dimmer rack with a constant load capability is powering twenty four incandescent lights during a stage production. The dimmer rack is running on a steady 230VAC supply and averaging approximately 98 amps draw. Suddenly the line voltage drops to 211VAC. Calculate the expected amperage draw.

90 amps

A screen's dimensions are 96 inches (2438 mm) x 96 inches (2438 mm). What width does an image on that screen need to be for a 16:9 aspect ratio image?

96 inches (2438 mm)

The Farthest Viewer Distance for BDM depends on (choose the best answer):

A and B

There is concern about the noise level in an AV rack room. What weight setting on the SPL meter should be used to demonstrate that the noise level doesn't require hearing protection at all times?

A Weighted

When applying the inverse square law to measurements of sound pressure level,

A doubling of distance correlates to a loss of 6dB.

During the Construction Phase, what is likely to happen if a product is suddenly discontinued?

A request for change (RFC) may be submitted

Your room design can accommodate a screen with a width of up to 80 inches wide. The screen height is reasonably unrestrained. Your client's video image source produces a 1920 x 1080 resolution. Which of the following screens could be a viable option in this scenario? Choose all that apply.

A screen with an image width of 80 inches and a height of 45 inches; A screen with an image width of 40 inches and a height of 22.5 inches

If a system meets the original design, fulfills the needs of the end-user, and remains in proper working order, what will be the result?

A successful project

What are considerations to consider when selecting an AV provider

ACurrent workload, Company Credentials and Employee work experience

What Viewing Category applies to a space used for medical imagery?

ADM

What viewing category applies to a space used for technical drawings?

ADM

What is :AS

Above Slab

The study of sound-wave motion and sound behavior is the science of

Acoustics.

When is the best time to train users during the System Commissioning and Training Phase of a project?

After the system is complete

What are the two main components of a projector that need to be maintained

Air Filter and Lamps

Bluetooth technology can be useful in AV systems because it ______

Allows additional connections for control of devices.

The maximum viewing distance for viewing a displayed image is based on the

Amount of detail in the image

. In a composite video signal, what determines the brightness?

Amplitude

What is an Application

An Activity or function that supports the end users need (Meeting or demo)

What is a task

An Av System or process that supports the end users application (A display for a meeting)

What is a need

An essential function that must be part of an AV system

How can labor timesheets and invoices from previous jobs be used to increase efficiency for future AVjob estimates?

Analysis of past costs for labor and shipping.

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

Analytical Decision Making

Who would belong to the Design team?

Anyone with Consultant in their title except the moving consultant

During the design phase it is important to coordinate with who

Architect, Electrical consultant, and construction manager

Which team members best reflect the team of participants during the review step of an AV projects design phase

Architect, Owner, Construction manager and End user

During the Design Phase, it is important to coordinate with which of the following trades?

Architect, electrical consultant, construction manager

In the program report phase of a site analysis what type of documentation is needed?

Architectural and engineering drawings, industry standards, owner/end user information

At the beginning of Program Phase which categories of existing documentation should be reviewed

Architectural, Organizational and Technical

The benefits of DISCAS include (Check all that apply):

Are independently confirmed and ratified; Takes different resolutions into account; Takes different aspect ratios into account

When conducting a client needs analysis to prepare the program report or brief, how does the AV professional determine the end user's needs in a given project?

Ascertain the specific activities the client wants to accomplish

The ratio of image width to image height is defined as the

Aspect ratio

Where does the initial testing of a pre-assembled AV system typically occur in the Construction Phase?

At the warehouse, when the equipment is delivered

What viewing category applies to a space used for PowerPoint presentations?

BDM

What type of connector is this?

BNC

An 8-bit digital word is called a

BYTE

The most common type of Viewing Category is __________.

Basic Decision Making (BDM)

DISCAS addresses the following viewing categories (check all that apply):

Basic Decision Making; Analytical Decision Making

The Brightness control adjusts which level?

Black Level

The higher the color temperature of a light source, the _____ white ligh

Bluer

What viewing category applies to a space used for word processing and technical drawings?

Both ADM and BDM

With light, amplitude is perceived as

Brightness

Good customer service is crucial for

Building good customer relationships

When including GUI Layouts into the Design Documents, which of the following should also be included for optimum usability?

Button-by-Button Functionality

The Owner Plays what role in the Project Lifecycle

Buyer of the AV System

An audio signal is an _____ representation of a sound

Electrical

What should be done if a touch screen control panel is reportedly locked up, frozen, or other wise reported to be not functioning?

Check all connectors, confirm the screen is not in power saver mode.

The EIA/TIA 568 cable categories you are most likely to encounter on a modern local area network include _____.

Cat 5 and higher

To operate in full-duplex mode, Fast Ethernet requires _____.

Cat 5 twisted pair cable or better

What is CL

Center Line

What is CM

Construction manager

What should you do if the audio system is emitting a high frequency hiss, or a waterfall sound?

Check inputs on the mixer, make sure not set too low, check all input gains

What should be done when you receive a call that there is no sound in a room for an AV event?

Check microphone, batteries, and power switches to assure they are on.

During video production, removing all of one color from the main image and replacing it with a second image is called a(n) ______

Chroma key.

Prior to the development of CIDR, an organization that needed a thousand unique, globally routable IP addresses would require at least a _____ network.

Class B

Match each IPv4 private address range with its associated network class.

Class B- 172.16.0.0/12; Class A- 10.0.0.0/8; Class C- 192.168.0.0/8

When properly addressing problems with staff performance or behavior the supervisor must be sure to:

Clearly identify and document the problem behavior and instances of it.

DISCAS defines the minimum distance one can be to a display as the __________, and the maximum distance one can be from a display as __________.

Closest Viewer; Farthest Viewer

What type of loudspeaker system is typically made up of speakers strategically suspended overhead or placed in the ceiling and may use center-to-center overlap?

Cluster

An R-Y, B-Y, Y video signal is also known as a(n) ______video signal

Component

What is the main task of the third Step of the Program Phase of a Project?

Conducting program meetings

Select the true statement:

Conduits and ducts are types of raceways

During the commissioning process for an AV system installation, how will the AV technician confirm thatthe video display system is working properly?

Connect display devices to a test signal generator, calibrate at points along the path.

After hearing the vendors' Request for Proposal (RFP), how do you evaluate the vendor's proposal to determine the best value?

Consider the price, quality, approach, and ability of vendor to fulfill the contract

A complete project documentation package includes:

Contract documents Project specifications Project drawings: architectural and system

The _____ interconnects the various pieces of a control system and provides the power for them operate and the communication among them.

Control bus

The more accurate means to estimate dimensions of a commercial space during a site inspection would be to?

Count Ceiling Tiles in a drop tile instalation

The more accurate means to estimate dimensions of a commercial space during a site inspection would be to?

Count the number of ceiling tiles in a drop tile instalation

How does the AV team present the program report to obtain client approval?

Create a detailed meeting agenda and be sure to document client feedback & suggestions

How does the AV team present the program report to obtain client approval?

Create a detailed meeting agenda and be sure to document client feedback and suggestions

The flow of electrons through a conductor is called

Current

A wavelength is measured at the starting points of two consecutive

Cycles

A single video or audio output is converted into multiple outputs to be distributed to the system by using a

DA

Which of the following statements accurately describe DHCP? Select all that apply.

DHCP addresses are leased to devices for a preset amount of time.; In addition to IP addresses, a DHCP server can assign network configuration options such as time-to-live (TTL) and maximum transmission unit (MTU).; As long as a device's "obtain IP address automatically" option is activated, the device will obtain an IP address from the DHCP server upon booting with no intervention from the user.

Which projector element is covered with tiny mirrors to produce a video or data image?

DMD

What is the formula for calculating current using Ohm's Law?

I = V/R

When working with a client to design an AV solution for a new conference center, the client requests a detailed budget for the equipment and installation. What phase is the project in?

Design phase

When stripping cable it is best to use:

Designated strippers.

The Generic project process contains three roles Installer, Project manager and

Designer

What should be included in an AV proposal for a client?

Detailed description of all components, accessories, and all costs

What is the disadvantages of splitting the AV Equipment Contract and Labor contract

Determining which party is responsible for AV system problems

Which groups make up the Management Team?

Developer, Construction Manager, and Building Management Agency

Who makes up the management team in an AV project

Developer, Construction Manager, and Building Management Agency

Which of the following accurately describe the functionality of a VLAN? Check all that apply.

Devices on a VLAN can send each other Ethernet frames.; Devices on a VLAN do not receive broadcast traffic from devices outside the VLAN.

What is Dia

Diameter

What factors impact acoustic quality in a given space or venue?

Dimensions and shape of the venue/room; reflected sound and ambient nois

Which type of sound is most intelligible?

Direct sound

In a cable, the dielectric ____

Directly proportional to the voltage and inversely proportional resistance.

When comparing the relationship of current to voltage and resistance, current is:

Directly proportional to the voltage and inversely proportional resistance.

What is the ideal way to contract an AV integrator?

Directly to the Owner

What is this formula for? dB = 20 * log (D1 / D2)

Distance of SPL

After witting the program report what is the next step in the program phase

Distribute the report

How does the AV manager maintain good relationships with suppliers and vendors?

Document all transactions, resolve concerns in a professional manner.

What is E.C.

Empty Conduit

What is the most valuable source of information when defining the needs for an AV system?

End user descriptions of the tasks and applications the AV system will support

What documentation should you get from Stakeholders

Engineering Drawings, Architectural Organizational project, Design manuals, best practices.

When creating estimates for an AV project what are the primary considerations?

Equipment & material costs, labor costs, estimate markup.

When creating estimates for an AV project, what are the primary considerations?

Equipment and material costs, labor costs, estimate markup

What must be considered during rack assembly?

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

Which of the following statements best describes the limitations of Ethernet traffic?

Ethernet frames can travel through a switch, but not a router.

What are the 5 parts of the Program Report

Executive Summary System Descriptions Infrastructure Considerations Audio Visual Budgets Additional Costs

An elevation view is a required drawing for ADM.

FALSE

Electricity takes the path of least resistance.

FALSE

There is a Closest Viewer calculation for ADM.

FALSE

True or false: Gigabit Ethernet is used as a network backbone, but not to connect end nodes to switches.

FALSE

True or false: crossover cables can be used in a TCP/IP network as long as all of the cables in the network are crossover cables.

FALSE

True or false: in order to be on the same VLAN, devices must be physically connected to the same switch.

FALSE

True or false: many networked audiovisual protocols cannot travel over local area networks (LANs).

FALSE

True or false: multimode fiber can be used for longer cable runs than single mode fiber.

FALSE

True or false: once a device obtains an IP address from a DHCP server, it is guaranteed to receive the same IP address from the server every time it logs onto that network.

FALSE

When conducting a site visit, if a ladder is needed what type should be used?

Fiberglass or wood.

What are some of the important project scope and size considerations in selecting an AV provider?

Financial Stability, Current Workload, and Company Credentials

The distance between the optical center of a lens and the image plane is called the

Focal length

A common technique for reducing the depth requirements of a rear projection space is

Folding the light path

Hertz is the unit of measure for

Frequency.

_____ topology provides the best possible redundancy, but is so expensive that it's rarely used.

Fully meshed

AV professionals determine the end user's needs by examining three things: the required applications, the tasks, and the:

Functions to support the applications

What type of diagram is this?

Gant Chart

One way to efficiently manage a construction schedule is to use a ____.

Gantt chart

What s the goal of an effective program meeting?

Gather and exchange the information necessary to determine which functions are required to support the end users' applications

During which step in the System Commissioning and Training Phase is the final checklist for the complete installation generated?

Generate the Punch List

n a video system, using a single electronic reference for timing of all the connected equipment is called ________

Genlock

In a fixed resolution display, the greater the resolution capability the

Greater the number of pixels.

Which of the following images shows a correct T568A pinout?

Green stripe, green, organe stripe, blue, blue stripe, orange, brown stripe, brown

Direct coupled sound systems are best for program audio because of their _________.

Higher fidelity

Technical support funding can include money for training and ___.

Hiring additional staff

The relationship among voltage, current, and resistance is defined by the formula_____.

I = V/R

What pieces of information make up a socket? Check all that apply.

IP address; Protocol identifier; Port

The farthest viewer concept addresses which three factors?

Image height, viewer task, and distance

Direct coupled loudspeakers are usually listed by size, frequency response, power handling capacity, and ______.

Impedance

Direct coupled loudspeakers are usually listed by size, frequency response, power handling capacity, and ___

Impedence

As the bandwidth of a display system increases, the potential resolution of the images is

Increased.

A room is going to be used to inform new hires about organizational procedures. What is the Application

Informing new hires

_____ is not a necessary specification for a microphone.

Input impedance

What are the primary functions of Step Four of the System Commissioning and Training Phase of a project?

Inspecting, Testing and Aligning

In a cable, the dielectric

Insulates and separates two conductors.

The purpose of developing an AV system design package is to communicate the

Intent of the design to the installers

A successful project is an AV system that meets the original design___, fulfills the needs of the___, and remains in proper working order.

Intention, user

The amount of light passed through the lens to the imager on a video camera is controlled by the

Iris.

Screen gain is:

Is the ability of a screen to redirect projected light to the audience to make it appear brighter.

Which of the following is defined as highly efficient?

LED Lamp

What type of interview questions will help a client become interested in a new or unfamiliar technology?

Leading Questions

How do you maintain a proper focus on customer needs and service?

Listen to customer concerns and try to accommodate immediately if it is feasible.

What type of project is a typical Consultant-Led Design-Bid-Build contract structure good for?

Long term projects with extended project cycles

When dealing with firewalls, it is the responsibility of the AV designer to do all of the following except _____________.

Manage the network traffic

Which type of front screen has a smooth non-gloss surface similar to a white sheet, provides good color rendition, and evenly disperses light?

Matte

The process of adding video and/or audio signals to an existing signal on a predetermined carrier frequency is called

Modulation

subcontractor?

More layers of responsibility and communication

XLR connectors are

Most commonly used with three conductors plus an outer shell that

The needs analysis determines:

Nature of the System Infrastructure System Budget

What are the 4 parts of the needs analysis pyramid

Needs Applications Tasks Features and Functions

A client requires a new boardroom. The sales person and engineer are sent to the premises to measure the facility and talk to the client. At this stage they should be performing a _

Needs Analysis

A client requires a new boardroom. The sales person and engineer are sent to the premises to measure the facility and talk to the client. At this stage they should be performing a ____

Needs Analysis

Where can you usually find appropriate stripping dimensions for a cable?

On the connector packaging

One Hertz is equivalent to

One cycle per second

The End-User, Facility Manager and Building Committee comprise which team within the Project Team

Owner

The End-User, Facility Manager and Building Committee comprise which team within the Project Team?

Owner

What are the four teams that comprise the overall Project Team?

Owner, Design, Installation, and Management

What are the 4 teams that comprise the AV Project Team

Owner, Designer, Installer and Facility Management

The broadcast video standard used in North America and parts of South America and Asia is

PAL

What is the fundamental unit of measure on a fixed resolution display

PIXEL

The process of creating an AV solution begins with

Performing a needs analysis

When sound waves are 180 degrees out of phase what happens?

Phase cancellation

What is one of the major considerations in creating an AV solution for an important historical site?

Preservation of the site

Which of the following is a polar plot diagram?

Polar plot picture

What is this formula for? dB = 10 * log (P1 / Pr)

Power

When conducting a complete project bid process, what milestone follows the issuing of the RFP?

Pre-Bid Meeting

Which of the following best describes an electret, when used in a microphone?

Prepolarized material

In marketing, what is your AV Company's "value proposition"?

Product or service offering which makes your company better or different from others.

On a new construction project, there is a need to verify that power has been installed in the correct place. Who should be contacted to verify this information?

Project Manager

What group represents the generic roles that are important to the Project process?

Project Manager, Designers, and Installers

Which group represent the generic roles that are important to the Project process?

Project Managers, Designers and Installers

Which two parameters play a key role during the initial assessment of an AV project?

Project schedule, Project Size

During shop testing, ___ is/are checked and ___ is/are tested.

Proper functioning of equipment, software

When training a new user how to operate the solution that has been provided, which of the following is a best practice?

Provide complete user documentation prior to training

When working with a new technician, what is the best way to maintain quality control?

Provide training, enforce standards, and conduct observations

Sightlines for audience viewing in a given presentation space can be improved by:

Providing a sloped, or stepped, seating arrangement

Which connector has a solid center pin with an outside sleeve and creates a pressure-fit type connection with its mate?

RCA

Modulating a composite video signal for transportation is commonly referred to as

RF transmission.

Which of the following documents would an AV company submit in the event that a modification in the building design impacted the AV system installation requirements?

RFC

What type of document typically includes Project Size Requirements, Corporate Profile, Team Personnel, and Warranty Response Time?

RFQ

When terminating an Ethernet cable, what connector type is normally used?

RJ45

All sounds start with physical motion, such as vibrating string. This causes adjacent air molecules to push together, or _______

Rarefy.

Decibels are always expressed as a(n) ______ of two quantities.

Ratio

A camera was installed about 180' (55m) from its 1.5A 12v power supply, the power supply is dead, and needs replacing. Assuming that the camera can operate normally within +/- 10% of the power supply voltage, if 18 gauge wire was run initially and an almost 3v drop is present, what is the correct action?

Re-locate the power supply near the camera

The changing of direction of a light or sound ray is called

Refraction

The changing of direction of a light or sound ray is called _______

Refraction.

After presenting a proposal, what is the correct plan of action for following up with the client?

Regularly, until a decision is made

Sound that bounces off of many surfaces before reaching the listener is called ______ sound

Reverberant

A laptop input on a lectern is not working. The interface is connected to a 5 BNC wall plate. The interface is receiving signal and the projector is on the correct input. What is the next step in troubleshooting theissue?

Reverse the H and V sync cables.

A dB may be used to express or describe

SPL

What project characteristics must be considered in order to determine which method is best suited for a particular project?

Schedule, Size, Type, Complexity, and Procurement Requirements

Which project characteristics must be considered in order to determine which method is best suited for a particular project?

Schedule, Size, Type, Complexity, and Procurement Requirements

Under what circumstances would you likely use an A305-1986 form?

Scoring responses to an RFQ

What is the formula for throw distance?

Screen Width X Throw Ratio = Distance

It is important to consider Polar Patterns when____

Selecting Microphones for use at live events

Which type of warranty typically involves additional costs and adjustments to meet the owner's needs?

Service agreement

Which layer of the OSI model initiates and ends communications between devices?

Session

How should you establish a marketing budget for your AV Company

Set the marketing and advertising budget as a percentage of projected sales.

__________ is how likely the wall and the mounting are to be cut in two.

Shear

What is a section cut flag arrow

Shows the direction of the section drawing

During the Construction Phase of a project, which step always follows AV System Testing?

Site Installation

Proper functioning of equipment, software

Site Installation

The correct time to discuss visible finishes for wall plates, surface mount speakers, and wall mounted screen casings is during the:

Site Survey

When training users during the System Commissioning and Training Phase, ___ groups allow for more hands-on time with the system.

Smaller (up to six)

During the Design Phase, what are three major coordination efforts that need to be addressed between the AV designer and the base building design team?

Space Planning, Data/Telecom, and Administrative Coordination

This type of audio system reinforces or amplifies a presenter's voice so that they'll be heard over a larger audience.

Speech Reinforcement System

Light passing through the edges of a lens at different focal lengths results in a blurred image. This is called__

Spherical aberration

When establishing initial contact with a client, try to develop a relationship early on with the

Stake Holders

In presenting a proposal for AV, what is necessary for a contract?

Statement of specific work proposed, costs and payment schedule, delivery schedule

At the end of an event how does one quickly and safely strike the event?

Strike equipment by category and divide into teams.

Match each component of an IP address with its definition.

Subnet Mask- A separate number; Host bits- The last; Network identifier bits- The first

What components are required in order for an IPv4 address to be valid? Check all that apply.

Subnet mask; Network address; Broadcast address

DISCAS calculations must use consistent units.

TRUE

There is a Closest Viewer for BDM.

TRUE

True or false: 40/100 Gigabit Ethernet cannot be run over twisted pair Cat cable.

TRUE

True or false: devices on different networks can use the exact same private IP address.

TRUE

True or false: due to the high frequencies and data bandwidths they are used to transport, Cat 6 cables should be shielded.

TRUE

True or false: if you have several devices connected to a hub, only one of them can send data at a time.

TRUE

What are the 5 parts to determining the End Users Needs

Talk to Stakeholders Review Existing Documentation Evaluate the Site Environment Conduct Program meetings Write the program report

What is an important aspect of funding that has a direct impact on the project process and design/installation?

Technical Support Funding

To maximize the quality of projected images in a presentation you should ensure

That ambient light is controlled in the presentation area

When developing an AV solution for a client, whose input is MOST crucial for determining system requirements?

The End User

Which phase comes first in a project?

The Program Phase

The study of sound-wave motion and sound behavior is the science of

The Study of Acoustics

Select all of the true statements about this image: (2kHz cardiod polar plot)

The above shows a polar plot of a cardioid microphone; The response of this microphone at 2kHz is best on axis at 0 degrees.

Any sound reinforcement system consists of two equal parts: the electronic system used to manipulate the audio signal and

The acoustical environment

To maximize the quality of projected images in a presentation you should ensure:

The ambient light is controlled in the presentation area

In the system commissioning process why is facility inspection important?

The condition of the site and completed AV work can be inspected

Verification and Optimization are two concepts that are applied during System Commissioning to ensure that:

The design intent has been met

Verification and optimization are two concepts that are applied during System Commissioning to ensure that:

The design intent has been met

When developing an AV solution for a client, whose input is MOST crucial for determining system requirements?

The end users

The Needs Analysis determines:

The nature of the system; The infrastructure; The system budget

In the program phase, what must be determined to assure that a functional AV system scope will be created?

The specific functions, tasks, and applications of the presenter.

Which of the following are some of the disadvantages of Wi-Fi networks? Check all that apply.

They are less secure than wired networks.; They are susceptible to radio interference.

What are project specifications

They are specifications for the project itself. Such as find details of the system.

Which of the following are some of the advantages of Wi-Fi networks? Check all that apply.

They typically require less infrastructure than wired networks.; They can increase productivity by encouraging mobility.

What type of project is suitable for an integrator Led Design build

Three months or less

Which device corrects for jitter in an analog video signal?

Time base Corrector

What is the main objective of evaluating the cost of completing an AV project?

To determine if the AV company made money on the project

How does the AV team use information about any identified constraints to the AV design and installation tasks?

To develop a work-around plan when these constraints will affect the design or installation tasks

For what purpose would the AV technician designate a loopback internet protocol address in the 127.0.0.1 to 127.255.255.254 range in a network configuration?

To test the local device to see if TCP/IP is working on your system

Which display technology uses light passing through a medium to create an image?

Transmissive

A cable with one conductor and a shield is

Unbalanced.

How can you address ambient noise issues in a room?

Use acoustically absorptive materials in the room.

During a site survey, the room appears to have a lot of reverberation present. What treatment could be recommended to improve the sound in the room?

Use more softer, diffuse surfaces

How is a contract awarded to a vendor after the vendor is determined to be the best value for a project?

Use the RFP and vendor proposal, negotiate items needing clarification with contract clauses

Control System

a subsystem that enables simplified operation of other complex systems such as an av or lighting system. Includes user interface, processor or computer, control equipment.

Specialized devices that display the color hue information in the video signal are called

Vectorscopes

What is VIF

Verified in field

What is this formula for? dB = 20 * log (V1 / Vr)

Voltage

As a courtesy before leaving the final needs analysis meeting, the customer should be advised about:

When to expect the proposal

Which of the following incorporates color difference signals?

Y, R-Y, B-Y

The IEEE 802.3 standard defines _____. Check all that apply.

a collision avoidance mechanism for half-duplex networks; Physical Layer requirements for Ethernet traffic; the data format for Ethernet frames

What is a work breakdown structure?

a deliverable-oriented grouping of project elements which will ultimately organize and define the total scope of the project.

The purpose of a written program report is to communicate

a functional system description

An element is __________. (Choose the best answer)

a group of pixels conveying an item of information

What is a decibel?

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

A device with an APIPA address can communicate with ____.

any APIPA-enabled devices on the same subnet

In the IP address 192.168.1.0/20, the "/20" indicates that the _____.

address has 20 network identifier bits

The main purpose of 40/100 Gigabit Ethernet is to _____.

aggregate slower connections

The primary goal of the farthest viewer formula is to ensure that _____.

all viewers can interpret what is on the screen

A server is _____.

any device or software program that provides services on the network

Reserve DHCP allows you to _____.

assign static IP addresses to devices using a DHCP server

A loopback address sends data ____.

back to the node that sent it

When checking signal flow, the first thing you need to confirm is that the signal is _____.

being generated by the source components

When checking signal flow, the FIRST thing you need to confirm is that the signal is:

being generated by the source components.

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

change

In a dynamic microphone, there is a(n) _____ attached to a diaphragm and placed in a permanent magnetic field.

coil of wire

In a ____ WAN topology, all LAN sites connect to an ISP backbone.

common carrier

Network address translation (NAT) allows devices with private IP addresses to _____.

communicate with devices on other networks

Which of the following functions are performed by a gateway? Choose all that apply.

connects a private network to outside networks; translates data from one network layer protocol to another

A polar plot shows a loudspeaker's ____.

coverage angle

The ____ in an electrical circuit is proportional to the applied ____.

current; voltage

A private organization might wish to subnet its own network in order to _____. Check all that apply.

decrease the amount of broadcast traffic devices receive; improve network security

A firewall policy in which all network traffic is forbidden unless it is specifically allowed is known as _____.

default deny

What type of connection is pictured below? (wire under screw)

direct connection

A sound wave must be transduced into _____ before it can be transmitted through the audio signal path

electrical energy

Which of the following functions are performed by an unmanaged switch? Choose all that apply.

forwards Ethernet traffic based on its MAC address; provides a physical connection between multiple devices

The purpose of electrical grounding is to _____.

ensure safety

When data is addressed to a broadcast address, it is sent to _____.

every device with the same network bits

what is benchmarking?

examining methods, techniques, and principles from peer organizations and facilities, which can be used as a basis for designing a new or renovated facility.

Twisted pair cables offer protection from electromagnetic interference by _____.

exposing each wire to the same outside interference, allowing it to be canceled at the input circuit

In the IPv6 address below, click on the hexadecimal word(s) responsible for identifying the address's subnet.

fec8:ba98:7654:0080:fdec:ba98:7654:3201

Which of the following functions are performed by a router? Choose all that apply.

forwards data between devices that are not physically connected; examines a packet's IP address to determine its next destination

120V three-phase power distribution system uses __ wires.

four

If you subnet an IPv4 network by extending the subnet mask by two bits, you end up with _____.

four subnets, each about ¼ the size of the original network.

What type of chart is displayed below? (activity/year/budget/actual)

gantt chart

In the interest of ________, avoid letting the stripped cable braid fall into carpeting.

good customer service

In the OSI model, the _____ define(s) the protocols and software that implement network services.

host layers

When a frame arrives at a _____, the device broadcasts the frame out all ports, including the one on which it arrived.

hub

What type of WAN topology is pictured below? Headquarters in middle and buildings indivudaly connected

hub and spoke

"Weighting" a sound pressure level measurement accounts for differences in the way _____.

humans perceive different frequencies at a given listening level

Bits equal to 1 in a subnet mask indicate that the corresponding bits in an IP address _____.

identify the network

Fiber optic cable offers longer cable runs than copper because it is _____.

immune to electromagnetic and radio frequency interference

What are contract documents

include bid information, contractor qualification requirements, payment schedules, and points of contact.

As impedance increases and current remains constant, voltage _____.

increases

What is a Detail Drawing

indicate small items that need magnified views in order to show how they must be installed.

What are section cut flags

indicate which section drawing depicts a section of a master drawing in more detail, as shown in the picture.

What is an Elevation drawing

is a drawing that looks at the environment from a front, side, or back view

A _____ uses unique, hard-coded physical addresses, known as Media Access Control (MAC) addresses, to send data between nodes.

local area network (LAN)

A wide area network (WAN) uses _____ to send information between nodes.

logical addresses, such as IP addresses

Subnetting is the process of _____.

logically dividing a network into several smaller networks

In the OSI model, the _____ define(s) hardware oriented functions like routing, switching and cable specifications.

media layers

In a _____ WAN topology, each LAN site connects to every other LAN site.

meshed

A -58 dBu would be a typical signal level for a(n) _____.

microphone

Closest viewer rule

no closer than 1X the screen's width

Which of the following images shows a correct T568B pinout?

orange stripe, orange, green stripe, blue, blue stripe, green, brown strip, brown

In a BDM environment, viewers are more concerned with __________.

overall content than detail

Operation of a condenser microphone requires ____ power.

phantom

What are eleveation flags

plan drawings to indicate related elevation drawings.

A network administrator can allow unrequested incoming traffic, such as remote Telnet commands from a particular device, using _____.

port forwarding

What is a program meeting?

program meeting gathers and exchanges the information necessary to determine which functions are required to support the end users' applications.

What is the program report?

program report is a document that describes the client's specific needs, system purpose and functionality, and the designer's best estimate of probable cost, in a non-technical format for review and approval by the owner.

Sightlines for audience viewing in a given presentation space can be improved by:

providing a sloped, or stepped, seating arrangement

What is a reference flag?

reference flag symbol on a drawing tells us to reference another drawing,

The relationship between current and ____ is inversely proportional.

resistance

An increase in voltage means an increase in _____.

resistance, if the current remains the same

When using a coaxial stripping tool to cleanly strip coax cable, __________ so the blades can cut through the jacket, shield and dielectric at the proper points.

rotate the stripper around the cable several times

Ergonomics

scientific study of the way people interact with a system.

Estimating throw distance requires two values: ____ and ____.

screen width; throw ratio

What are match lines

show how each sub-drawing matches to another page of the drawing.

What is a section drawing

shows the space as if it was cut apart

In a _____ topology, every node on the network can access every other node through a central device.

star

Which of the following are potential examples of network nodes? Choose all that apply.

tablet computer; printer

In mounting, _________ refers to the hardware's elasticity.

tensile strength

A device on a DHCP-enable network might receive an APIPA address if _____. Check all that apply.

the DHCP server has mechanically failed; the DHCP server's pool of addresses is exhausted

Purpose of an AV system

the communication task it helps accomplish

The term "% element height" refers to __________.

the height of the element being viewed expressed in relation to the overall image height

What is a Function

the specific parts of a task ( type ofdisplay, seating layout)

0 dB SPL describes:

the threshold of human hearing

A dedicated computer configured to perform only one service is known as a _____.

thin server

In the field, you are most likely to see 10 Mbps Ethernet used _____.

to connect end nodes to switches or hubs

What is the goal of Benchmarking

to identify the AV features and functions desired by the client.

Crossover cables are used to connect_____.

two devices without the use of an electronic crossover device such as a switch or router

What is a column line

used to indicate the locations of columns, load-bearing walls, and other structural elements within the building layout,

What is a logic network diagram?

used when negotiating with your client regarding what other tasks need to be done before you can begin your tasks

Network access control (NAC) may grant users rights to access system resources based on _____. Check all that apply

username and password; the type of connection being used to access the network; the state of anti-virus software on the endpoint

An organization needs its own DNS server if it _____.

uses DNS internally to manage the names and addresses of devices on the private network

The simultaneous use of multiple wireless microphone systems requires ____.

using lavalier microphones

The task level variable refers to_____.

what the observer is trying to see and understand

What type of connector is shown?

xlr


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