EXTRON AV Certification Exam-with 100% verified solutions-2024-2025.docx, Exams of Advanced Education

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EXTRON AV Certification Exam-with 100%

verified solutions-2024-

Which of the following describes the relationship of width and height of an image? ASPECT RATIO Which of the following measures an image's width and height? RESOLUTION Which of the following consists of thin organic layers between two conductors (transparent anode and metallic cathode) that convert electric into light? OLED Which of the following is a reflective surface made up of thousnads of tiny mirrors, each representing a single pixel? DLP Which of the following is the smallest component of a screen image, composed of indivisual Red, Green, and Blue - RGB primary colors? PIXELS Intelace scanning may be described as: Images drawn in two atternate fields of odd & even numbered lines. Which one of the following indicated the amount of data used per pixel to presen color information? Color Bit Depth Which of the following is a digital transmission interface for uncompressed video, muti-chanel audio, and control data that also supports High-bandwith Digital Content Protection - HDCP? HDMI

Which one of the following digital broadcast standards is adopted in Europe, Asia and Africa? DVB DVI and HDMI both use a signaling method known as: TMDS Which of the following are mountable metal plates that provide AV connectors for audio, video, phone, data, power, and control? AAPs and MAAPs True or False: The Cable Cubby Series/2 enclosures do NOT accommodate Extron patented, variable-speed cable retraction modules for AV cables. TRUE Which of the following uses a standard RJ-45 modular connector for twisted pair cable? HDBaseT Which of the following does NOT contain additional shielding like meshes or aluminum foil? STP 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? Attenuation Which of the following contributes to the impedance of a cable? All of the above Which of the following cable shielding methods has many fine strands of material woven together that encompasses the insulation of the cable? Braided Shield

Which of the following core conductors is made of one single wire and generally provides excellent conductivity? SOLID Which one of the following phases of a control project do the AV installers and the control system designers coordinate to test the functionality of the AV system, both hardware and software? Commissioning Which of the following is the delivery of content in real-time as events happen? Live Content Which of the following streaming functions analyzes, de-compresses, and reconstructs the received packets, and delivers the signal to the end-point? Decode Which of the following types of compression refers to the loss of data when an approximation of the original image is reconstructed? Lossy compression 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? codec 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? Latency 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? Streaming

An acceptable viewing experience for consumer purposes may not meet the needs of professional applications. TRUE 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? Decode Which one of the following compression methods is referred to as Intra-Frame compression? Spatial Compression 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? IP Which one of the following is in different geographical locations and provides communication to smaller networks using routers and switches? WAN Which one of the following is a set of rules, procedures, and formats, defined in seven levels, or layers? OSI Refrence Model 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? UDP Which one of the following uses one-to-one transmission to deliver video from one point in the network to another? Unicast 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?

Hypertext Transfer Protocol - HTTP Which of the following is NOT a user interface? Encoder Which of the following is used to operate a control system? User Interface Which of the following has an easy-to-use button interface for handling simple AV functions over a standard Ethernet network? MediaLink Plus Series Controllers The size of a touchpanel in an AV system is driven by: All of the above 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? Control Processor Which of the following software is ideal for smaller applications requiring one control processor and one control interface? Global Configurator Plus What type of control method is RS-232? Serial Which of the following is used for powering small, Ethernet devices over standard Category cabling? Poe 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? toolbelt

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? Gui Designer Which one of the following software tools is suited for configuring applications that require multiple control processors, enhanced functionality, and advanced configuration? Global Configurator Professional Which one of the following is based on the Python programming language to define system functionality? Global Scripter Which one of the following is server-based software that provides a remote Help Desk for AV system management, resource control, interaction, and notification? GlobalViewer Enterprise 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? Infrared Which one of the following sends bidirectional control commands between the controller and a device over the network? Ethernet 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? Consumer Electronics Control - CEC During the control system design process, which of the following should be considered as part of the infrastructure? All of the above

Which one of the following phases of a control project do the AV installers and the control system designers coordinate to test the functionality of the AV system, both hardware and software? Commissioning 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? LED 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? Total Internal Reflection Which of the following are the basic types of fiber? Singlemode and Multimode Which of the following are protection methods for fiber optic cable? Loose Tube and Tight Buffered 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? Fiber to the X - FTTX 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? absorption 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? Scattering

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? Attenuation Which one of the following is an advantage of using fiber optics over twisted pair copper wire? All of the above Which one of the following creates a permanent joint between the ends of two fibers by mechanically joining them or fusing together with heat? Splices Which one of the following is the center part of the glass fiber that carries the light signals? Core Which one of the following surrounds the center part of the glass fiber to cause reflection, keeping the light travelling down the fiber? Cladding Which one of the following is used in measuring the diameter of a fiber? Microns Fiber optic shards of glass are extremely sharp and can easily penetrate skin? TRUE Which of the following is the amount of energy that a signal waveform carries, measured in Volts? Amplitude Which of the following control methods is a wireless one-way interface designed to control a single device? Infrared

Which of the following refers to any reduction in signal strength due to the natural consequence of transmission over long distance, sometimes called loss? Attenuation 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? Plenum-Rated 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)? gain 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? Peaking Which of the following are signal amplifiers that drive video, computer graphics, and stereo audio over extended distances? Line Drivers 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? Matrix Switcher Which of the following capabilities are provided by Extron matrix switchers? All of the above Which of the following is transmitted as electrical impulses of encoded data? Signals Which of the following describes the distance of traveling energy, such as light or sound, in a repeating pattern?

Wavelenght Which of the following is an undesirable alteration in the original waveform of an audio or video signal? distorsion Which of the following can negatively affect system performance? All of the above Which of the following describes a device's limited range of frequencies in which it can successfully operate? Bandwith 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? Extenders Which of the following are helpful considerations when selecting any type of Switcher? All 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. TRUE Which of the following describes signal processing? All of the above Which of the following is the process of converting a video signal from one resolution to another? Scaling

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? Virtual Private Network - VPN 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? AV LAN port Which of the following is manually configured as a fixed address for a device, and does not change? Static IP Address Which of the following can be used as an intermediate router for the subnet when an IP address is not within the network? Default Gateway Which of the following layers of the OSI Model handles error detection with CRC checksums and flow control on a local network? Data Link Layer 2 Within the OSI Model which layer allows for varying operating systems to communicate with each other on the network? Presentation Layer 6 Which of the following relationships describes the basic network operations of sending and receiving bidirectional data messages? Client-Server Which one of the following network topologies connects a central node to every device on the network, acting as a multiport repeater? Star Topology

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? Routers WANs cover wide geographical areas and are commonly used to link different locations together. TRUE Which one of the following protocols is responsible for the actual delivery of data over a network? Transmission Control Protocol 192.168.100.101 is an example of which type of address? IP Address Which one of the following types of IP Addresses are automatically assigned to network devices using a DHCP server? Dynamic IP Address Which one of the following OSI Reference layers provides logical IP addressing for all devices that communicate over a network? Network Layer 3 Which of the following network topologies daisy-chains the devices to a common medium where information travels along a backbone? Bus Topology