Free AVIXA CTS Practice Exam with Questions & Answers | Set: 6

Before confirming an anticipated completion date, it is critical to ensure that all components required for the project are available and not backordered. Backordered components can cause significant delays, impacting the overall project timeline. By verifying the availability of all necessary components, you can provide a realistic and reliable completion date to the customer. This step is essential for effective project planning and avoiding unexpected delays.

Listener 2

In sound propagation, every doubling of distance from a sound source generally results in a decrease of approximately 6 dB in sound level due to the inverse square law. Conversely, when moving closer to the sound source, the sound level increases by approximately 6 dB each time the distance is halved.

Given Listener 4 is at 20 feet from the speaker:

Listener 3 is at 15 feet, which is closer but not a direct halving of Listener 4's distance, so the change is less than 6 dB.

Listener 2 is at 10 feet, which is half the distance of Listener 4 (20 feet). This halving of distance results in a sound level increase of approximately 6 dB.

Listener 1 is at 5 feet, which is closer than Listener 2 and results in a higher increase in dB compared to Listener 4.

CTS Technology Specialist Reference

Understanding sound level changes over distance is essential in AV system design to ensure balanced audio coverage. The CTS materials cover the inverse square law extensively, explaining how sound pressure levels change as the distance from the sound source varies. Listener 2, at half the distance from Listener 4, receives sound at +6 dB compared to Listener 4, aligning with this principle.

This logistical detail should be planned during the site survey, which is when all site constraints (e.g., power, loading dock access, storage, waste handling) are assessed. Waiting until install day is too late.

“Site surveys must assess disposal options, material storage, and access constraints to avoid delays during installation.”

— CTS Exam Guide, Site Readiness and Installation Planning

The only cable in the image capable of Ethernet transmission over 1 mile (1.6 km) is C, which is fiber optic cable.

???? Why?

According to the AVIXA CTS Exam Guide and industry standards such as IEEE 802.3:

Twisted pair cables (like A and B) are limited to 100 meters (328 feet) for Ethernet.

Coaxial cable (D) is typically not used for long-distance Ethernet and has high attenuation over distance.

Fiber optic cable (C) can support data transmission over kilometers depending on the type (single-mode or multi-mode). For 1 mile (1.6 km), single-mode fiber is ideal.

From the CTS Exam Guide, 5th Edition – Chapter 3: Networking, it explains:

"For high-speed and long-distance data communication, fiber optic cabling is essential. Single-mode fiber can transmit Ethernet over distances exceeding 10 km, making it the only practical choice for transmissions over 1 mile."

Additionally:

Fiber is immune to electromagnetic interference.

Provides higher bandwidth and lower attenuation compared to copper-based cables.

A Gantt chart is a project management tool that visually represents project tasks along a timeline. It shows the start and end dates of tasks, their duration, dependencies between tasks, and the relationships between activities. Gantt charts are widely used to plan, schedule, and monitor project progress, providing a clear overview of the project timeline and helping ensure that tasks are completed on schedule.

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A distribution amplifier (DA) is designed to take a single input signal and replicate it across multiple outputs without degradation in quality. It maintains signal integrity across longer distances and multiple destinations, which is essential when distributing video to several monitors.

Subwoofers are generally not required for a PA system focused solely on speech reinforcement because they reproduce low-frequency sounds that are not necessary for intelligibility of spoken word. Speech reinforcement systems typically prioritize clarity in the mid and high frequencies.

CTS Technology Specialist Reference

The CTS curriculum states that speech reinforcement systems should prioritize mid and high frequencies, which are critical for voice clarity, while subwoofers are typically used in music reinforcement for low-frequency response.

A dependency in a project task schedule describes a situation where a task cannot begin before another task is completed. Dependencies ensure that tasks are performed in the correct order to maintain the workflow and project timeline. Axis Technology Specialist documentation highlights the importance of identifying and managing dependencies to ensure smooth project execution and avoid delays.

In a cardioid subwoofer array, phase shift is employed along with delay and equalization to control the directivity of the sound, focusing bass energy forward and minimizing it behind. Phase shifting alters the waveforms of sound signals, contributing to the cardioid pattern that reduces bass spill to unwanted areas.

CTS Technology Specialist Reference

The CTS materials on sound system design explain that phase manipulation, alongside delay, is essential for cardioid subwoofer arrays to control low-frequency dispersion effectively.

USB 2.0 supports a maximum data transfer rate of 480 Mbps. USB 1.1 supports up to 12 Mbps, while USB 3.0 can reach up to 5 Gbps (Option D). USB 3.1 and later can go beyond 10 Gbps (Option C).

CTS References: AVIXA CTS Exam Guide, Chapter on Connectivity and Cabling Standards; CTS Handbook, Section on USB Standards.

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