EXTRON AV ASSOCIATE CERTIFICATION EXAM & STUDY GUIDE LATEST 2024-2025 ACTUAL EXAM 150 QUIZ, Exams of Engineering

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EXTRON AV ASSOCIATE CERTIFICATION EXAM AND

STUDY GUIDE LATEST 2024-2025 ACTUAL EXAM 150

QUESTIONS AND CORRECT DETAILED ANSWERS.

GRADED A

192.168.100.101 is an example of which type of address? - ANSIP Address A cable with a thin layer of copper or aluminum wrapped completely around the insulation of the inner core conductors is what type of shielding? - ANSFoil shield Adjacent wires within an improperly shielded cable may internally experience which of the following? - ANSCrosstalk An acceptable viewing experience for consumer purposes may not meet the needs of professional applications. - ANSTrue An omnidirectional microphone pickup pattern has a coverage of: - ANS degrees Category cable wire pairs are twisted together for which of the following purposes? - ANSCancel out EMI from external sources Chroma Subsampling is a form of: - ANSCompression During the control system design process, which of the following should be considered as part of the infrastructure? - ANSAll of the above

DVI and HDMI both use a signaling method known as: - ANSTMDS (Transmission- Minimized Differential Signaling) Fiber optic shards of glass are extremely sharp and can easily penetrate skin? - ANSTrue Interlaced scanning may be described as: - ANSImages drawn in two alternate fields as odd & even numbered lines The human eye can differentiate individual picture frames at which of the following rates? - ANS10-12 frames per second The maximum distance for HDBaseT systems from the transmitter to the receiver is ______. - ANS330 feet / 100 meters The rate at which the sound vibrations repeat is called: - ANSFrequency The size of a touchpanel in an AV system is driven by: - ANSAll of the above True or False: A single matrix switcher can be used to drive a divisible classroom and operate the space as an independent room or combine it into a single large presentation space. - ANSTrue True or False: Progressive Scanning draws each line sequentially from left to right, creating a full image frame in one pass from top to bottom. - ANSTrue

True or False: Special consideration must be taken when routing through building open areas where fire resistance and rigorous safety standards are required. - ANSTrue True or False: The Cable Cubby Series/2 enclosures do NOT accommodate Extron patented, variable-speed cable retraction modules for AV cables. - ANSFalse WANs cover wide geographical areas and are commonly used to link different locations together. - ANSTrue What is comprised of multiple small gauge wires that are twisted together to form a larger, single conductor? - ANSStranded core conductor What type of control method is RS-232? - ANSSerial When a microphone signal first enters a mixer, which of the following is used to control the input level of the audio. - ANSGain When designing a network, which of the following is important to consider throughout the design process? - ANSAll of the above Physical & Logical Device Topology Security & Quality Implementation Maintenance & Expansion Consideration When the angle at which light strikes the cladding is low enough, what occurs when all of the light is reflected back into the core? - ANSTotal Internal Reflection

Which of the following affects the impedance of a cable? - ANSAll of the above Resistance, Capacitance, Mismatches in the type of interface connectors, components, or cables Which of the following allows a user to change device network settings, add email servers, upload firmware, remotely reboot Pro Series control products, and troubleshoot from a single application? - ANSToolbelt Which of the following allows its users on a less secure network to send and receive data through a safe connection by extending a private network across the Internet? - ANSVirtual Private Network - VPN Which of the following are helpful considerations when selecting any type of Switcher? - ANSAll of the above The number of inputs and outputs The interface connector types The signal types Which of the following are mountable metal plates that provide AV connectors for audio, video, phone, data, power, and control? - ANSAAPs and MAAPs Which of the following are protection methods for fiber optic cable? - ANSLoose Tube and Tight Buffered Which of the following are signal amplifiers that drive video, computer graphics, and stereo audio over extended distances? - ANSLine Drivers Which of the following are the basic types of fiber? - ANSSinglemode and Multimode

Which of the following cable shielding methods has many fine strands of material woven together that encompasses the insulation of the cable? - ANSBraided Shield Which of the following cables and devices have special flame-resistant materials that are designed to meet safety test standards for resistance to smoke, fire, and heat above the ceiling or in other environmental air spaces? - ANSPlenum-Rated Which of the following can be found in various Extron Pro Series control processors for communication to external supported devices, such as TouchLink Pro touchpanels and user interfaces? - ANSAV LAN port Which of the following can be used as an intermediate router for the subnet when an IP address is not within the network? - ANSDefault Gateway Which of the following can negatively affect system performance? - ANSAll of the above Long cable runs Low quality cables Source devices with poor signal output Which of the following capabilities are provided by Extron matrix switchers? - ANSAll of the above Source selection for each input and output Status LEDs that indicate the current switching & source status IR and RS-232 signal support Which of the following carries two independent channels for left and right audio, and creates the impression of sound heard from various directions? - ANSStereo sound signals Which of the following connector is commonly used for twisted pair cabling that carries digital audio over the network? - ANSRJ-

Which of the following contains a foil shielding, a wire braid mesh, or a combination of the two? - ANSShielded Twisted Pair - STP Which of the following contains one hot wire for the analog audio signal, one cold wire for the audio signal in the opposite, or reverse polarity, and a third wire for the ground shield? - ANSBalanced signal cables Which of the following control methods is a wireless one-way interface designed to control a single device? - ANSInfrared Which of the following core conductors is made of one single wire and generally provides excellent conductivity? - ANSSolid Which of the following defines the science or study of sound, how it's created, its ability to travel within a space, and the way it's managed? - ANSAcoustics Which of the following describes a device's limited range of frequencies in which it can successfully operate? - ANSBandwidth Which of the following describes how often the display can redraw the screen to show a new image? - ANSRefresh Rate Which of the following describes signal processing? - ANSAll of the above Completely reformat a signal Amplifying or peaking a signal Converting signals from one format to another

Which of the following describes the amount of delay, or the time it takes for video and audio to be delivered from the source to the destination? - ANSLatency Which of the following describes the distance of traveling energy, such as light or sound, in a repeating pattern? - ANSWavelength Which of the following determines how much a cable can hold an electrical charge, expressed in picofarads per foot (pF/ft)? - ANSCapacitance Which of the following does NOT contain additional shielding like meshes or aluminum foil? - ANSUnshielded Twisted Pair - UTP Which of the following file types are part of the Moving Picture Experts Group 1, Audio Layer III encoding techniques? - ANSMP Which of the following has a ground wire, and carries analog signals as one hot wire and one cold wire in reverse polarity to cancel noise and interference? - ANSBalanced cables Which of the following has an easy-to-use button interface for handling simple AV functions over a standard Ethernet network? - ANSMediaLink Plus Series Controllers Which of the following has two conductor wires, one for the hot audio signal, and one for ground? - ANSUnbalanced cables Which of the following interfaces renders images as micro packets similar to network data? - ANSDisplayPort

Which of the following is a device or program with technologies that compresses a signal for more efficient transmission, then decompresses it for viewing or editing? - ANSCodec Which of the following is a low voltage level that comes out of a microphone when someone speaks into it? - ANSMic Level Which of the following is a measurement, in decibels (dB), of the amount of any reduction in signal strength, or loss, due to the natural consequence of transmission over long distance? - ANSAttenuation Which of the following is a multipurpose interface for connecting peripheral devices such as a mouse, keyboard, printer, scanner, or flash drive to a computer for communication? - ANSUSB Which of the following is a possible contributing factor to poor signal performance? - ANSAll of the above Ground loop Static discharge Interference from alien crosstalk Which of the following is a possible contributing factor to poor signal performance? - ANSAll of the above. Interference from alien crosstalk, Static discharge, Ground loop Which of the following is an example of dropping the sound levels for background music, to focus the audio on an important voice-over announcement? - ANSDucking

Which of the following is an undesirable alteration in the original waveform of an audio or video signal? - ANSDistortion Which of the following is considered the brains of a control system that facilitates the delivery of commands and the receiving of feedback from AV devices? - ANSControl Processor Which of the following is designed to capture spoken words limited to the speaker, commonly found on podiums or in conference rooms and boardrooms? - ANSGooseneck microphone Which of the following is in a single enclosure with multiple inputs and outputs, that combines the capabilities of a standard switcher with a distribution amplifier?

• ANSMatrix Switcher Which of the following is manually configured as a fixed address for a device, and does not change? - ANSStatic IP Address Which of the following is NOT a user interface? - ANSEncoder Which of the following is referred to as the safety zone that allows audio peaks to exceed the nominal level without clipping? - ANSHeadroom Which of the following is related to the amount of energy that a sound wave carries? - ANSAmplitude Which of the following is the amount of energy that a signal waveform carries, measured in Volts? - ANSAmplitude

Which of the following is the average rate of speed at which sound travels through air, measured at sea level and 70F/20C degrees? - ANS1128 feet/second ( meters/second) Which of the following is the delivery of content in real-time as events happen? - ANSLive Content Which of the following is the last link of the audio signal path? - ANSLoudspeaker Which of the following is the process of converting a video signal from one resolution to another? - ANSScaling Which of the following is the smallest component of a digital image, composed of individual Red, Green, and Blue - RGB color elements? - ANSPixel Which of the following is transmitted as electrical impulses of encoded data? - ANSSignals Which of the following is used for connecting peripheral devices (keyboard, mouse) to computers, as well as for power to charge portable devices? - ANSUSB Which of the following is used for powering small, Ethernet devices over standard Category cabling? - ANSPoE

Which of the following is used to compensate for the lack of analog bandwidth response in displays, monitors, and projectors, and also the frequency roll-off caused by long cable runs? - ANSPeaking Which of the following is used to increase the voltage (amplitude) level of an analog signal at the beginning of a long cable run and is measured in decibels (db)? - ANSGain Which of the following is used to operate a control system? - ANSUser interface Which of the following layers of the OSI Model handles error detection with CRC checksums and flow control on a local network? - ANSData Link Layer 2 Which of the following light sources have a low power output, and wide spectral width that radiates out in all directions, like a light bulb? - ANSLED Which of the following network topologies daisy-chains the devices to a common medium where information travels along a backbone? - ANSBus Topology Which of the following performs as a transducer, converting one form of energy to another, and is classified based on how it captures sound? - ANSMicrophone Which of the following projects a ray of light through a lens to display an image onto a surface? - ANSProjector Which of the following refers to any reduction in signal strength due to the natural consequence of transmission over long distance, sometimes called loss? - ANSAttenuation

Which of the following relationships describes the basic network operations of sending and receiving bidirectional data messages? - ANSClient-Server Which of the following represents a logarithmic ratio to measure the change in sound intensity or electric signals? - ANSDecibel (dB) Which of the following software is ideal for smaller applications requiring one control processor and one control interface? - ANSGlobal Configurator Plus Which of the following streaming functions analyzes, de-compresses, and reconstructs the received packets, and delivers the signal to the end-point? - ANSDecode Which of the following types of compression refers to the loss of data when an approximation of the original image is reconstructed? - ANSLossy Compression Which of the following uses a standard RJ-45 modular connector for twisted pair cable? - ANSHDBaseT Which of the following uses a twist connection with a bayonet lock that provides a tight connection and a suitable bandwidth for high resolution signals over coaxial cable? - ANSBNC Which of the following work as transmitter and receiver pairs to facilitate digital signal transmission over long distances via shielded or unshielded twisted pair, or fiber optic cable? - ANSExtenders

Which one of the following compression methods is referred to as Intra-Frame compression? - ANSSpatial Compression Which one of the following consists of thin organic layers between two conductors (transparent anode and metallic cathode) that convert electric current into light? - ANSOLED Which one of the following control methods uses a wireless one-way interface to control a single AV device, instead of an entire AV system? - ANSInfrared Which one of the following creates a permanent joint between the ends of two fibers by mechanically joining them or fusing together with heat? - ANSSplices Which one of the following defines addressing methods and structures for datagram encapsulation that allows the delivery of packets from a source to a destination? - ANSInternet Protocol - IP Which one of the following describes the relationship of width and height of an image? - ANSAspect Ratio Which one of the following digital broadcast standards is adopted in Europe, Asia, and Africa? - ANSDVB (Digital Video Broadcasting) Which one of the following indicates the amount of data used per pixel to present color information? - ANSColor Bit Depth

Which one of the following is a collective term for bringing all possible fiber topologies from the telecom or cable carrier to its customers, based on the location of the termination point? - ANSFiber to the X - FTTX Which one of the following is a connectionless protocol used in real-time streaming applications where best effort delivery is acceptable and the network devices and applications manage data flow control and errors? - ANSUser Datagram Protocol - UDP Which one of the following is a digital transmission interface for uncompressed video, multi-channel audio, and control data that also supports High-bandwidth Digital Content Protection - HDCP? - ANSHDMI (High Definition Multimedia Interface) Which one of the following is a function of HDMI that allows one AV device to control another if they are connected via HDMI cables? - ANSConsumer Electronics Control - CEC Which one of the following is a method of transporting media content over a network as a steady, continuous flow, allowing playback to proceed while subsequent data is received? - ANSStreaming Which one of the following is a reflective surface made up of thousands of tiny mirrors, each representing a single pixel? - ANSDLP Which one of the following is a set of rules, procedures, and formats, defined in seven levels, or layers? - ANSOSI Reference Model

Which one of the following is an advantage of using fiber optics over twisted pair copper wire? - ANSAll of the above Minimal Data Errors Immunity to Electromagnetic Interference - EMI Longer Distance Capability Which one of the following is available with ready-to-use design templates and resource kits, or has the option to build a user interface layout starting from scratch? - ANSGUI Designer Which one of the following is based on the Python programming language to define system functionality? - ANSGlobal Scripter Which one of the following is caused when a light signal collides with a very small particle or impurity in the glass, knocking it off course in all directions? - ANSScattering Which one of the following is caused when a light wave of a given frequency strikes a material with a molecular structure of the same frequency, converting light energy into heat as it interacts with the material? - ANSAbsorption Which one of the following is in different geographical locations and provides communication to smaller networks using routers and switches? - ANSWide Area Network - WAN Which one of the following is server-based software that provides a remote Help Desk for AV system management, resource control, interaction, and notification? - ANSGlobalViewer Enterprise Which one of the following is the center part of the glass fiber that carries the light signals? - ANSCore

Which one of the following is the loss of signal power over the length of the cable, due to the quality of the glass, absorption, scattering, or excessive bending within the fiber? - ANSAttenuation Which one of the following is the set of rules for transferring text, graphic images, sound, video, and other multimedia files on the World Wide Web? - ANSHypertext Transfer Protocol - HTTP Which one of the following is the smallest component of a screen image, composed of individual Red, Green, and Blue - RGB primary colors? - ANSPixels Which one of the following is used in measuring the diameter of a fiber? - ANSMicrons Which one of the following measures an image's width and height using pixels? - ANSResolution Which one of the following network topologies connects a central node to every device on the network, acting as a multiport repeater? - ANSStar Topology Which one of the following OSI Reference layers provides logical IP addressing for all devices that communicate over a network? - ANSNetwork Layer 3 Which one of the following protocols is responsible for the actual delivery of data over a network? - ANSTransmission Control Protocol

Which one of the following sends bidirectional control commands between the controller and a device over the network? - ANSEthernet Which one of the following software tools is suited for configuring applications that require multiple control processors, enhanced functionality, and advanced configuration? - ANSGlobal Configurator Professional Which one of the following supports communication between subnets and across different networks, by determining the next network point to which a packet is forwarded as its destination? - ANSRouters Which one of the following surrounds the center part of the glass fiber to cause reflection, keeping the light travelling down the fiber? - ANSCladding Which one of the following twisted pair wiring standards define the pinouts for a crossover cable connection? - ANST568A to T568B Which one of the following types of IP Addresses are automatically assigned to network devices using a DHCP server? - ANSDynamic IP Address Which one of the following uses one-to-one transmission from one point in the network to another? - ANSUnicast Which one of the following uses one-to-one transmission to deliver video from one point in the network to another? - ANSUnicast Which one of the following works to reverse the first two phases of the streaming process, reconstruct the signal, and deliver it to the end-point? - ANSDecode

Within the OSI Model which layer allows for varying operating systems to communicate with each other on the network? - ANSPresentation Layer 6