Ronaldo
An excessive amount of high-frequency hiss within an audio system is likely due to which of the following situations?
A. Poor gain structure
B. Insufficient compression
C. Noise gate thresholds set too low
D. Source output gain set too high
A. Poor gain structure
When troubleshooting an AV system, should the AV technician consider user error as a source of the problem?
A. No, because the users usually understand system operation
B. No, because the users are not considered part of the system that has failed
C. Yes, because users often do not understand how to properly operate the system and may have changed settings or performed other actions that caused the failure
D. Yes, because user error is typically considered the main cause of AV system failure
C. Yes, because users often do not understand how to properly operate the system and may have changed settings or performed other actions that caused the failure
Which of the following types of maintenance agreements commits an AV company to providing ongoing preventive maintenance for a client system?
A. System warranty
B. Service agreement
C. Manufacturer’s warranty
D. Preventive warranty
B. Service agreement
What is the objective of the program phase of AV system design?
A. Create the computer software required to control an AV system
B. Create detailed design documents depicting the AV system components and installation
C. Describe the AV systems necessary to support the defined needs and the general cost of those systems
D. Provide a detailed cost quote for the client to approve
C. Describe the AV systems necessary to support the defined needs and the general cost of those systems
Which of the following statements describes the typical relationship of an AV company with its suppliers and vendors?
A. The AV company should identify the suppliers and vendors with the lowest current prices.
B. The suppliers and vendors often become long-term partners with the AV company in meeting the client needs.
C. The AV company should work with only one supplier or vendor to procure the needed goods and services.
D. The AV company client will usually specify the vendors or suppliers to support the client’s project.
B. The suppliers and vendors often become long-term partners with the AV company in meeting the client needs.
Which of the following is an example of preventive maintenance?
A. Replacing system cabling that is causing static within the system
B. Upgrading a display to a greater resolution to meet client needs
C. Replacing a projector bulb that is nearing the end of its operational life
D. Upgrading the programming on a control system to address newly installed components
C. Replacing a projector bulb that is nearing the end of its operational life
What is a key security concern when renting AV equipment?
A. Properly identifying the person taking possession of the equipment from the AV company
B. Ensuring that the renter knows how to properly operate the equipment
C. Ensuring that the renter knows how to properly transport the equipment
D. Ensuring that the renter has hired a security guard to protect the equipment once it has arrived at the site
A. Properly identifying the person taking possession of the equipment from the AV company
What is a dependency within a project task schedule?
A. A task that cannot begin before another task is complete
B. A task that must be completed by a specific date
C. A task that will be required if specific conditions occur at the project site
D. An optional task that the client can determine is needed once the project is underway
A. A task that cannot begin before another task is complete
Which statement best describes the relationship of the AV installation team with other vendors on the site?
A. The AV team should focus on the AV installation; the project manager is responsible for coordinating work at the project.
B. The AV team should review the project schedule; it defines all coordination necessary for the project.
C. The AV team should actively communicate and coordinate with the project manager and other vendors to ensure that the AV installation is not impacted by other vendors working on the project.
D. The AV team should negotiate work schedules directly with the other vendors.
C. The AV team should actively communicate and coordinate with the project manager and other vendors to ensure that the AV installation is not impacted by other vendors working on the project.
Once the characteristics of the system failure are clearly identified, what is the recommended next step required to return the system to normal operation?
A. Examine the system to determine whether the problem is simple to address and gather more information
B. Logically divide the system in half, and determine which half has the failure
C. Replace the component that has appeared to fail
D. Ask the user to further describe the nature of the problem
A. Examine the system to determine whether the problem is simple to address and gather more information
Which of the following is not a method of addressing feedback within an audio system?
A. Adding compression to the microphone signal chain
B. Keeping the microphone as close to the sound source as possible
C. Keeping the loudspeakers in front of and as far from the microphones as possible
D. Turning down or muting all unused microphones
A. Adding compression to the microphone signal chain
What should be the first step in troubleshooting a failure in an AV system?
A. Determine the possible failure points
B. Determine which components are fully operational
C. Review a system diagram depicting interconnections and signal flow
D. Clearly identify the failure symptoms
D. Clearly identify the failure symptoms
How should the AV company respond if a client requests changes in the project that end up increasing the cost of completing the project?
A. Ask the client to agree to a CO that describes the changes to the project agreement and the additional costs.
B. Perform the requested additional work to ensure that the client is satisfied.
C. Never perform any work that was not agreed to within the original work contract.
D. Remove another element of the project to keep the final cost the same.
A. Ask the client to agree to a CO that describes the changes to the project agreement and the additional costs.
What is an intermittent problem?
A. A system failure that affects multiple components
B. A system failure that is difficult to reproduce
C. A disruption in signal flow affecting the system
D. A failure of an interface component
B. A system failure that is difficult to reproduce
Which of the following best describes the recommended approach to maintaining professional skills and knowledge?
A. Take courses on state-of-the-art AV techniques at AV industry trade shows.
B. Obtain and renew a professional certification.
C. Obtain industry information from a range of sources, including courses, seminars, publications, vendor presentations, and professional certification courses.
D. Take college-level AV technology courses.
C. Obtain industry information from a range of sources, including courses, seminars, publications, vendor presentations, and professional certification courses.
Which of the following is not an example of an issue that can cause a video projector to overheat?
A. Brightness set too high
B. Fan has failed
C. Projector not properly positioned
D. Air filters clogged with dust
A. Brightness set too high
Which of the following is the most likely source of an AV system failure or problem?
A. Amplifier failure
B. Projector failure
C. Computer source failure
D. Cable/connector failure
D. Cable/connector failure
When designing a video display system, what should be the first consideration of the AV system designer?
A. How the client is going to use the video display system
B. The resolution of the video display system
C. The size of video displays
D. The location of screens
A. How the client is going to use the video display system
What is the best method to determine whether a microphone is the source of a problem?
A. Change the cable to the microphone
B. Test the microphone with a multimeter
C. Plug the microphone into a preamp and test
D. Swap out the suspect microphone with a new microphone that you know is working and see whether the system works properly
D. Swap out the suspect microphone with a new microphone that you know is working and see whether the system works properly
Which of the following defines project deliverables and relates the elements of work?
A. Logic network
B. Assumptions and risks
C. WBS
D. Gantt chart
C. WBS
Once equipment leaves the warehouse, who is responsible for ensuring security and preventing theft?
A. Client
B. AV company
C. End user
D. Whoever has taken control of the equipment
D. Whoever has taken control of the equipment
What is typically the most efficient process for localizing the faulty function within a malfunctioning AV system?
A. Test each of the components in the order of signal flow
B. Test each of the components beginning at the final output, working backward
C. Begin with testing the major functions, and then move to the minor functions
D. Logically divide the system in half, determine which portion has the failure, and then repeat for the failed half
D. Logically divide the system in half, determine which portion has the failure, and then repeat for the failed half
Remote-monitoring services for client sites are intended to perform which of the following?
A. Maintain security via the use of CCTV systems.
B. Track system usage, identify system or component failures, and identify tampering.
C. Track AV system operation costs.
D. Track the type of program materials viewed via the AV system to ensure that inappropriate program materials are blocked.
B. Track system usage, identify system or component failures, and identify tampering.
What is the first step that an AV technician should take when a client reports a problem with an AV system?
A. Obtain more information about the problem, such as the symptoms of the system failure
B. Locate the detailed system documentation
C. Travel to the client site to repair the system
D. Contact the manufacturer of the component to assist in troubleshooting
A. Obtain more information about the problem, such as the symptoms of the system failure
When a new AV device fails within the first few weeks after installation, under which type of warranty is the repair typically addressed?
A. System warranty
B. Service agreement
C. Manufacturer’s warranty
D. Preventive warranty
C. Manufacturer’s warranty