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CTS Exam Questions and Answers
The measurement of color temperature is expressed in. - Correct answer- Kelvin What does a sightline study determine? - Correct answer-The most appropirate seating layout and screen position. In radio frequency transport, the program signal is added to a signal before transportation. - Correct answer-Carrier Which of the following statements describes rear projection technology?
- Correct answer-Rear projection displays provide better contrast and color saturation in high ambient light environments than front projection displays. Which of the following statements about automatic mixers in audio applicaitons is true?
- Correct answer-They are used for speech applications, such as meetings. A gate function automatically mutes all audio signals that. - Correct answer-Fall below a set threshold. A distribution amplifier is used to. - Correct answer-Split one input into multiple isolated outputs, each with the same signal level. What is a circuit's bandwidth? - Correct answer-The range of frequencies a circuit can detect. A string's vibration or loudspeaker cone's movement pushing air molecules forward demonstrates how sound waves are. - Correct answer-Generated What unit(s) are used for quantifying resistance and impedance? - Correct answer- Ohms are used for both resistance and impedance. Audio signals may be purposely delayed in sounds reinforcement applications in order to ensure that. - Correct answer-Sound will reach all listeners at the same time. Which of the following statements accurately describes unidirectional control communications? - Correct answer-Unidirectional communication does not verify the receipt of commands. If the resolution of an image is increased, the signal bandwidth. - Correct answer- Increases If the color temperature is low, the light will appear to be more. - Correct answer- Red.
What type of waves has the highest frequency in the range of the electromagnetic spectrum? - Correct answer-Ultraviolet If an electronic frequency falls outside of a circuit's bandwidth, that frequency will be
. - Correct answer-Lost For a video display that requires detailed veiwing, the position of the frarthes viewer should be no more than times the height of the display away from the screen. - Correct answer- A light source's color temperature refers to it's. - Correct answer-Tint If the brightness level of a display is too high, the black areas of the image will appear . - Correct answer-Gray RF wireless microphones typically allow the user to change in order to avoid interference from outside sources or other wireless microphones. - Correct answer- Frequency What type of audio processor passes very little or no additional level when the input exceeds the threshold level? - Correct answer-Limiter What is the purpose of a wall wash in three-point lighting system? - Correct answer-It lights the background. Which of the following is a role of the DHCP server? - Correct answer- Ensuring that no two devices receive the same IP address. In Ohm's Law, voltage may be represented as V for volts. What other variable can represent voltage? - Correct answer-Electromotive Force An AV system is bes defines as two or more pieces of AV equipment that . - Correct answer-Are designed to work together in order to meet a communication need. What is the light source of an OLED? - Correct answer-The OLED itself. Projected images should be viewed at angles not exceeding degrees off the projection axis. - Correct answer- It requires dB change for people to perceive a change in sound that is either twice or half as loud. - Correct answer- Frequencies in the spectrum of human hearing can be divided into ten bands, each representing. - Correct answer-1 Octave
Because digital video is transported as a component signal, it is than composite analog video. - Correct answer-Higher quality. How many cables do component videos require to carry signal? - Correct answer-Three The relationship between current and resistance is always. - Correct answer- Inversely proportional What is the definition of "frequency"? - Correct answer-The cycle when molecules move from rest through compression to rest to rarefraction. The model is a guide that assists with conforming nextwork communications and their processes to standards. - Correct answer-OSI What is an advantage of lossless compression? - Correct answer-Files can be opened and recompressed repeatedly without data loss. A signal transmitted at the proper level will over distance. - Correct answer- Decrease in signal strength or amplitude. Which of the following statements describes a DC circuit? - Correct answer- Current in a DC circuit flows in one direction only. Light entering the eye first passes through the. - Correct answer-Cornea The area of illumination increases four times when the distance between the light source and the illumiated area is. - Correct answer-Doubled When designers use dark material to darken a room, they are using light's quality of
. - Correct answer-Absorption What does bit depth determine? - Correct answer-The number of states you have to define a value. What type of environment is most likely to produce acoustic reverberations? - Correct answer-Large rooms with many hard surfaces. Which is usually the brightest light on a subject in a three-point lighting system? - Correct answer-Fill A server keeps track of all the equipment that is on your network and assigns the equipment names so you can easily connect to them. - Correct answer-DNS What is a mirror-like image of sound energy that reflects most energy back in a single direction? - Correct answer-Specular Reflection
Which type of microphone requires phantom power to operate? - Correct answer- condenser What is a factor for determining the speed of a Wi-Fi connection? - Correct answer-RF signal strength What is an advantage for using IPv6 over IPv4? - Correct answer-IPv has more available addresses than IPv4. If voltage stays the same and current increases, resistance. - Correct answer- Decreases What is the first step in the AV system creation process? - Correct answer- Wants and needs analysis A diversity receiver uses a pair of antennas to. - Correct answer- Select the strongest or most direct RF signal over reflections of the same signal. Which audio signal has a nominal level of 1 volt? - Correct answer- Professional Line Level If the display creates an image by passing light through a medium, what display technology is it using? - Correct answer-Transmissive When does spherical aberration occur? - Correct answer-Light rays pass through the edges of a lens. What is bit rate? - Correct answer-The quantity of information over time in a digital signal. The loudspeakers in a distributed system are located. - Correct answer-At regularly spaced intervals throughout teh listening area. How much sound pressure is reduced every time the distance from the source is doubled? - Correct answer-6 dB Which type of loudspeaker is typicall used to reproduce mid to high frequency sounds? - Correct answer-Horn A scene involving fast motion may appear jerky or stuttered if the shutter speed is too
. - Correct answer-Slow The frequency response specification. - Correct answer-Defines the electrical output level over the audible frequency spectrum.
When establishing initial contact with a client, try to develop a relationship early on with the: - Correct answer-Stakeholders The process of creating an AV solution begins with: - Correct answer- Preforming a needs analysis Which of the following is defined as highly efficient? - Correct answer-LED Lamp To maximize the quality of projected images in a presentation you should ensure: - Correct answer-The ambient light is controlled in the presentation area Using best practices, determine maximum viewer distance by multiplying the text height by: - Correct answer- Sight lines for audience viewing is a given presentation space can be improved by: - Correct answer-Providing a sloped, or stepped, seating arrangement The correct time to discuss visible finishes for wall plates, surface mount speakers, and wall mounted screen casings is during the: - Correct answer- Site Survey During the site survey, the room appears to have a lot of reverberation present. What treatment could be recommended to improve the sound in the room? - Correct answer- Use more softer, diffuse surfaces After presenting a proposal, what is the correct plan of action for following up with the client? - Correct answer-Regularly, until a decision is made AV professionals determine the end user's needs by examining three things: the required applications, the tasks, and the: - Correct answer- functions to support the application 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? - Correct answer-Design Phase During discussions with an Architect, may be useful when reviewing drawings. - Correct answer-Scale Rule The HDTV aspect ratio is equal to which of the following? - Correct answer- 1.78: Which system is used to show colors in a display? - Correct answer- Additive color system Please select the appropriate resolution for common 4kx2k resolution. - Correct answer- 3840 x 2160
Please select the appropriate resolution for SXGA - Correct answer-1280 x 1024 The foundation of good customer service is built on: - Correct answer-Good customer relationships When collaborating with another vendor on a project, it is advisable to - Correct answer- Inform the client that the project manager is in charge. Potential AV customers will share their concerns and objections more readily if an AV company: - Correct answer-Already has some idea of what they do and appears to have done some research After hearing the vendors' Request for Proposal (RFP), how do you evaluate the vendor's proposal to determine the best value? - Correct answer-Consider the price, quality, approach, and ability of vendor to fulfill the contract. How is a contract awarded to a vendor after the vendor is determined to be the best value for a project? - Correct answer-Use the RFP and vendor proposal; negotiate items needing clarification with contract clauses The brightness control adjust which level? - Correct answer-Black Level The biggest disadvantage to using wireless network access are: - Correct answer- Range, reliability, and speed and security. What drawback is there when utilizing 5-wire RGBHV in place of a VGA cable? - Correct answer-HDCP and EDID will not pass along RGBHV 5- wire 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? - Correct answer-To test the local device to see if TCP/IP is working on your system It is important to consider polar patterns when. - Correct answer- Selecting Microphones for use a live events What is the best practice for deciding between unbalanced and balanced audio runs? - Correct answer-Use balanced for all runs when possible When training a new user how to operate the solution that has been provided, which of the following is a best practice? - Correct answer-Provide complete user documentation prior to training What is a benefit of offering a free training session for a client with new equipment. - Correct answer-It's a positive approach for a long term partnership.
A camera was installed about 180' 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 the 18 gauge wire was run initially and an almost 3v drop is present, what is the correct action?
- Correct answer-Re-locate the power supply near the camera Oscilloscope - Correct answer-Plots signal amplitude and timing Waveform Monitor - Correct answer-Measures amplitude and timing of luminance and color signals Vectorscope - Correct answer-Measures amplitude, hue, and phase of video signals (color is represented by a vector's direction and amplitude. 1 Meter = - Correct answer-3.28 Feet 1 Inch = - Correct answer-2.54 Centimeters OSI Layer 1 - Physical Layer - Correct answer-Covers cabling and other connection mediums. Defines relationship between device and physical means of sending data over network. Defines optical, electrical, and mechanical characteristics. OSI Layer 2 - Data Link Layer - Correct answer-Includes Ethernet standard and unique hardware addresses. Defines procedures for operating the comm links, encapsulates data, and detects and corrects packet- transmission errors. OSI Layer 3 - Network Layer - Correct answer-IP comes into play. Determines how data is transferred, routes packets according to network device addresses, and provides flow and congestion control to prevent network resource depletion. OSI Layer 4 - Transport Layer - Correct answer-Governs the transfer of data. Provides packet delivery, connection-oriented or connection-less packet delivery, and provides flow and congestion control to prevent network resource depletion. OSI Layer 5 - Session Layer - Correct answer-1st Upper layer and concerns the data itself, ensuring data passes properly through the network. Manages user sessions and dialogues, controls the establishment and termination of connections, and reports upper-layer problems. OSI Layer 6 - Presentation Layer - Correct answer-Unpackages data for use by application layer, makes data format differences between dissimilar systems so they can communicate, specifies an architechture-independent data-transfer format, and encodes/decodes data, encrypts/decrypts data, and compresses/decompresses data.
OSI Layer 7 - Application Layer - Correct answer-presents data to the application software for use, defines an interface to user processes for communication and data transfer, and provides standardized services. Focal Length - Correct answer-Distance light must travel after it passes through the optical center of a lens Y (luminance) Signal for composite video is encoded using the following formula - Correct answer-Y= 0.30R + 0.59G +0.11B AFF - Correct answer-Above finished floor AS - Correct answer-Above Slab CL - Correct answer-Center Line CM - Correct answer-Construction Manager DIA - Correct answer-Diameter E. - Correct answer-East E.C. - Correct answer-Empty Conduit EC - Correct answer-Electrical Contractor (E) or EXG - Correct answer-Existing EL - Correct answer-Elevation ELEC - Correct answer-Electrical FUT - Correct answer-Future GC - Correct answer-General Contractor MIS - Correct answer-Miscellaneous NIC - Correct answer-Not in contract NTS - Correct answer-Not to scale OC - Correct answer-on center OD - Correct answer-Outer diameter
