CTS Certification Exam Questions with Complete Answers Already Passed

CTS Certification Exam Questions with Complete Answers Already Passed Analog - Answers Noise overcomes the signal after many generations of reamplification of an ___ signal Digital - Answers As noise is introduced to a _____ signal, discerning circuitry can determine if the signal is intended to be high or low, and then retransmit a solid signal without the imposed noise. Codec - Answers a device or computer program that encodes and decodes file info 5:1 - Answers Standard DV cameras usually compress at a ratio of _____ States - Answers Bit depth is defined as the number of ______ you have in which to describe the value. Analog - Answers a signal that has many varying states is called a ______ signal. One: zero - Answers In a digital signal, the on state is represented by _____, and the off state is represented by ________. Propogation - Answers How sound moves through the air is called _____ Wavelength - Answers the physical distance between two points of a waveform that are exactly one cycle apart is ______ 0 dB SPL - Answers threshold of hearing +/- 3 dB - Answers a "just noticeable" change in sound pressure level Produced; Propogation; control - Answers Acoustics covers how sound is ___, and its ____ and _____ Reverberation - Answers persistent reflections of sound are called _______ Interferes with - Answers Ambient noise is sound that ______ the desired message or signal output device - Answers The audio signal ends up in an _____ before being converted back into acoustical energy. Mic - Answers the strength of the electrical audio signal from a microphone is called a _____-level signal Remote power - Answers Phantom power is the ____ required to power a condenser microphone. XLR - Answers Connector that finishes the shielded twisted pair cable frequency coordination - Answers the simultaneous use of multiple wireless mic systems requires ______ Gain adjustment - Answers if a technician changes the level of a signal, its called _______ loudspeaker - Answers the amplifier comes right before the ____ in the audio system chain. crossover - Answers an electrical frequency dividing network circuit. wavelength - Answers Light waves are categorized by their _______ Lux - Answers a ____ measurement is taken at a task area like a video screen. 75% - Answers percieved illumination decreases by ________ when the distance from a light source is doubled. Negatively affects the quality of displayed image - Answers the amount of ambient light in a displayed environment Chroma; Y - Answers in the component video signal, the ___ signal is combined with the ___ information Chrominance - Answers In composite video, what shares the luminance space? Reflection, Dispersion, spherical aberration, and curvature of field - Answers four factors related to primary optics that influence the quality of the projected image are______ DVI, HDMI, DisplayPort - Answers Three major formats of digital connections are _____ Spectrum analyzer - Answers to measure the bandwidth of an image, you need ___ Transmissive - Answers Rear-Screen display applications are _____ Polarizer - Answers LCDs first pass light through a _____, which blocks certain light waves Determine what you want to be displayed - Answers First step of selecting a display type Higher; Brighter - Answers The ___ the gain number of the screen, the _____ the image Fuzzy details - Answers what quality would an image have if the phase setting of a display needs adjusting L = SH x SW x AF - Answers The formula for an ANSI lumen rating is _______ Bus - Answers What network connects devices in a sequence along a linear path? Ethernet - Answers What type of network uses packets? Slows down - Answers What happens to the connection speed in a WiFi connection if the signal strength declines Single-Mode - Answers What type of fiber-optic cable is identified by its yellow outer jacket? OSI Reference Model - Answers The _______ model is a guide that assissts with conforming network communications and their processes to standards? Layer 1 - Physical - Answers cabling and patch bays are elements of the ____ in the OSI model Mac - Answers a ____ address is unique to every device and identifies a network's equipment. Addresses - Answers IP deals with what on a network? 8 - Answers IPv6 address uses ____ groups of four hexadecimal numbers Devices - Answers Subnet masks can indicate how many ___ are allowed on the network. IP address and subnet mask - Answers What is required to set an IP address manually on a network? DHCP - Answers What type of server automatically assigns an IP address to the MAC address during the devices connection to a network? Unmanaged - Answers What type of switch just needs to be plugged in and connected to devices? Gateway - Answers A _____ sends packets to different locations on a network and connects to outside networks. Firewall - Answers a _____ controls incoming and outgoing network traffic and determines what will be allowed through based on a set of security rules. signal flow - Answers The path on which signal types travel is called _____ Noise - Answers The purpose of shielding is to prevent ____ from mixing with the signal cable contains multiple conductors - Answers what differentiates cable from wire? Rejecting interference - Answers Twisted-pair cable using balanced circuitry can help in _____ Analog - Answers Unless amplified, digital signals generally do not travel as far as ____ signals Switchers - Answers _____ allow the user to select one input from a number of inputs 4 x 2 matrix switcher - Answers Can connect any four inputs to any or both of two inputs Protects and organizes - Answers An AV rack is a housing unit that ____ electronic equipment 19 inches; 21 to 25 inches - Answers The inside of a typical AV rack is ____ wide; and the outside varies from ______ Simplify - Answers Remote control systems ____ the operation of an AV system. Setting volume levels - Answers what is an example of a function in a control system? Powering on the audio amp and display - Answers what is an example of a macro in a control system Control system CPU - Answers The purpose of a control system interface is to send instructions to the _____ Current - Answers Voltage is the force that causes ____ to flow through a conductor Amperes - Answers Current is measured in ____ Impedance - Answers The opposition to the flow of electrons in AC is called ______ Watts - Answers unit for power I = V/R - Answers The relationship among voltage, current and resistance is defined by the formula ______ Source - Answers A current is always seeking to go to the ______ Feeders and subpanels - Answers The main panel distributes power using _______ Subpanel (panelboard) - Answers what point are the branch circuits that power wall outlets and AV equipment connected? 80 percent - Answers When planning an electrical system, do not exceed _____ of the capacity of any circuit 3 KHZ - 30 KHZ - Answers An AC signal of _____ falls into the RF spectrum Converts it to be sent out via antenna - Answers what does the transmitter do with its audio, video, and data? Modulation - Answers The most important step in converting data in a transmitter UHF - Answers The range of RFs between 300 mHz and 3 GHz is the _____ band. Have a wavelength closest to its physical length. - Answers An antenna will be most sensitive to transmissions that ______ Calculate phase differences between signals in order to avoid cancellation - Answers The main function of a diversity receiver is to ______ CATV - Answers Receives broadcast programs from multiple antennas and is redistributed by coaxial or fiber-optic cable