CTS AVIXA Certified Technology Specialist Free Practice Exam Questions (2025 Updated)

The standard impedance for a DMX (Digital Multiplex) cable is 110 ohms (Ω). DMX is a standard for digital communication networks commonly used to control stage lighting and effects. The 110-ohm impedance is crucial for ensuring the integrity and reliability of the digital signal over long distances. Using cables with the correct impedance prevents signal reflections and ensures proper transmission of the DMX data without errors, maintaining the synchronization and performance of lighting systems.

The sound absorption characteristics of a material are highly influenced by the frequency and direction of the sound waves. Materials often absorb higher frequencies more effectively, and the angle at which sound waves strike a surface can affect the absorption rate. Distance (Option A) and loudness (Option C) impact perceived sound levels but not absorption properties. Ambient sound (Option B) relates to background noise rather than material absorption.

CTS References: AVIXA CTS Exam Guide, Chapter on Acoustics; CTS Handbook, Section on Acoustic Properties of Materials and Room Treatments.

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The correct setting is the section marked with “V⎓” (DC Voltage), specifically within the range that matches your expected DC power supply output, e.g., 20V under the “V⎓” section.

According to the AVIXA CTS Exam Guide, Chapter 6: Troubleshooting, checking if a DC power supply has failed requires measuring the DC output voltage. This involves setting your multimeter to the DC voltage (V⎓) range that covers the expected output.

From the guide:

“When testing a DC power source, use the DC voltage range on your digital multimeter. Begin with a higher range (e.g., 200V) to avoid damaging the meter, then narrow down for precision if needed.”

Avoid using resistance (Ω), AC voltage (V~), or current (A) ranges when checking voltage output.

To mount a projector so that it is horizontally centered with the suspended screen, the technician should look at the reflected ceiling drawings in the plans. Reflected ceiling plans provide a view from above, showing the layout and alignment of ceiling elements, including projectors, screens, lighting, and other fixtures. This perspective is essential for ensuring that the projector is correctly aligned with the screen. Axis Technology Specialist documentation highlights the use of reflected ceiling plans for precise alignment of AV equipment.

The Needs Analysis phase of the AV Design process focuses on understanding the specific needs and requirements of the project. This includes identifying the functional requirements, which detail what the system must be able to do to meet the client's objectives. This step ensures that the design will align with the user's needs and provides a foundation for developing the technical specifications and design plans.

When using audio equipment on a converged enterprise network, separating broadcast domains is essential to avoid delaying time-sensitive AV traffic. AV traffic, such as audio and video streams, requires low latency and minimal jitter to maintain quality. By segregating these streams from other types of network traffic, such as data and general communications, network performance can be optimized, ensuring that AV services operate smoothly without interruption.

The amount of air that moves through the credenza is crucial because AV equipment generates heat during operation. Proper ventilation ensures that the equipment does not overheat, which can cause damage and impact performance. Overheating can void warranties as manufacturers typically specify operational temperature ranges and ventilation requirements. Ensuring adequate airflow is a common stipulation in AV equipment warranties. Proper ventilation helps maintain optimal operating conditions, thereby protecting the equipment and upholding warranty terms.

When conducting an initial site survey for AV rack installation, the first consideration is often access route restrictions. Ensuring that the racks can physically be brought to and installed in the designated location is crucial before evaluating other factors. If the racks cannot be transported into the space due to door sizes, hallway dimensions, or other access limitations, then installation cannot proceed regardless of space, serviceability, or future expansion.

CTS References: AVIXA CTS Exam Guide, Chapter on Site Surveys and System Logistics; CTS Handbook, Section on Physical Site Assessment.

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An incident meter measures the light coming directly from a source. This type of meter is used to measure the intensity of light that falls on a subject or area, as opposed to a reflected meter, which measures light that bounces off a surface. Incident light meters provide accurate readings of the lighting conditions, which is essential for calibrating AV systems. According to Axis documentation, using an incident meter is crucial for obtaining precise light measurements in AV setups.

A Responsibility Matrix (also called RACI) outlines who is responsible, accountable, consulted, and informed for each project task or deliverable. It helps eliminate ambiguity and aligns team expectations.

“A responsibility matrix details task ownership and accountability across stakeholders—essential for project clarity.”

— CTS Exam Guide, Project Management Documentation

Maintaining AV operations involves ensuring that all system components are up to date and functioning correctly. One critical aspect is updating the control system firmware. Firmware updates often include performance improvements, security patches, and new features that can enhance the reliability and functionality of AV systems.

System performance verification occurs when the system is completely installed. This process involves testing all components and ensuring that the system meets the design specifications and functions as expected before it is handed over to the client. It is a critical step for quality assurance and confirming that the installation meets both the technical and functional requirements.

CTS Technology Specialist Reference

According to CTS standards, performance verification is conducted post-installation to validate that the system is operating correctly, helping to address any issues before final client approval.

The ringed update approach is the best service when new firmware is available for installed equipment across a fleet of conference rooms. This approach involves updating the firmware in phases or "rings," starting with a small group of devices to ensure that the update is stable and does not introduce new issues. Once the initial ring is confirmed to be successful, the update is gradually rolled out to additional groups, reducing the risk of widespread problems. This method allows for controlled testing and monitoring, ensuring that any issues can be addressed before the update is applied to all devices.

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For a design-bid (tender)-build project, the final step for determining the owner's costs for an AV system is ensuring the equipment specification is ready for bid. This step involves finalizing all equipment details, specifications, and requirements so that accurate bids can be obtained from potential contractors. Axis documentation indicates that having precise and detailed equipment specifications is critical for obtaining accurate project costs and selecting the best contractor for the job.

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