Certified Technology Specialist練習テスト2025年最新のCTSストレスなしで合格させちゃう！
練習AVIXA Communications Certifications CTS問題集オンライン試験練習テストと詳細な解説付き！
Axis CTS 認定試験の出題範囲：
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質問 # 50
Up to which data rate can USB 2.0 support?
- A. 480 Mbps
- B. 12 Mbps
- C. 5 Gbps
- D. 10 Gbps
正解：A
解説：
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.
質問 # 51
A client wants a third-party commitment that a project will be completed as per contract and protection against losses if it is not. What document should they request from their supplier?
- A. performance bond (guarantee)
- B. statement of qualification
- C. quality assurance checklist
- D. liability policy
正解：A
解説：
A performance bond provides a third-party guarantee that the contractor will complete the project as specified in the contract and offers protection against financial losses if the project is not completed. This bond ensures that the client has recourse if the contractor fails to meet contractual obligations.
CTS Technology Specialist ReferenceCTS study materials note that performance bonds are commonly requested in construction and large AV projects to provide clients with financial protection and assurance of project completion.
質問 # 52
During the installation of an audiovisual system, a client states that they wish to add a videoconferencing system that was not considered in the initial scope of the project. What form is required?
- A. Request for Information (RFI)
- B. Request for Change (RFC)
- C. Request for Proposals (RFP)
- D. Request for Quotes (RFQ)
正解：B
解説：
When a client requests an addition to the project that wasn't included in the original scope, such as a videoconferencing system, a Request for Change (RFC) is needed. An RFC formally documents the change in scope, budget, or timeline and ensures that all parties agree to the modifications.
CTS Technology Specialist ReferenceThe CTS guidelines discuss the use of RFCs to manage scope changes, helping avoid misunderstandings and ensuring all modifications are approved and documented.
質問 # 53
A client has a room that can be used as one large room or three separate rooms. Each room has several different audio and video options. What type of system should be suggested to the client for ease of use?
- A. lighting
- B. switching
- C. control
- D. sound
正解：C
解説：
For a room that can function as one large space or be divided into smaller rooms, a control system is ideal.
This system can manage audio and video sources across different zones, allowing users to easily switch between configurations depending on room layout. Control systems facilitate seamless operation by centralizing control of AV functions.
CTS Technology Specialist ReferenceCTS guidelines recommend control systems for multi-room setups, enabling simplified management of audio and video distribution across spaces that can be reconfigured.
質問 # 54
Which one of these features has to be disabled for a network switch in a Dante network?
- A. PoE (Power over Ethernet)
- B. IGMP (Internet Group Management Protocol)
- C. EEE (Energy Efficient Ethernet)
- D. QoS (Quality of Service)
正解：C
解説：
Energy Efficient Ethernet (EEE) must be disabled in a Dante network. EEE can cause latency and jitter issues which are detrimental to audio streams. Dante is designed for low-latency, high-reliability audio networking, and EEE's power-saving mechanisms, which involve putting links to sleep, can interfere with the consistent data transmission required by Dante networks. Disabling EEE ensures stable and uninterrupted network performance for audio applications.
質問 # 55
When training a new user to operate the solution that has been provided, how should the training be started?
- A. With the system shut down and at a state of rest.
- B. With the display up and running.
- C. With a good joke.
- D. With the system up and running.
正解：A
解説：
Training users should begin with the system in a shutdown state to ensure they understand the basic steps of powering on and initializing the equipment. Starting from a state of rest allows the user to become familiar with the startup sequence, which is essential for operating the system independently and troubleshooting initial issues.
CTS Technology Specialist ReferenceCTS training emphasizes starting with equipment off during training sessions to ensure users learn correct startup procedures, ensuring the longevity and proper functioning of the AV system.
質問 # 56
When gathering information, it is important to ask about the customer's goals because the
- A. customer may have unrealistic expectations of what can be done.
- B. customer may be planning on moving before the project is complete.
- C. integrator needs an understanding of what the customer expects to beable to do with the space.
- D. integrator needs to confirm they understand the relationship between desires and budget
正解：C
解説：
Understanding the customer's goals is crucial because it helps the integrator design a solution that meets the customer's expectations and functional requirements. Knowing what the customer expects to achieve with the space allows the integrator to tailor the AV system to those needs, ensuring satisfaction and effective use of the system. This understanding also helps in aligning the project scope with the customer's vision and can prevent misunderstandings and misalignments later in the project.
質問 # 57
Identify the portion of the connector that carries the signal. Select the answer by clicking anywhere on the correct part of the connector.
正解：
解説：
Explanation:
The tip portion of the connector.
This is a 1/4-inch TS (Tip-Sleeve) connector, commonly known as an unbalanced mono plug. For these connectors, the tip is the portion responsible for carrying the signal, while the sleeve serves as the ground or return path. In audio applications, TS connectors are typically used for unbalanced signals, such as instrument cables for guitars.
* The tip of the connector is at the very end, identifiable by the small section separated by an insulating ring. This section is where the signal travels.
* The sleeve is the long metal section that connects to the ground.
CTS Technology Specialist ReferenceThe CTS materials on audio connectors detail how TS connectors carry signals, with the tip designated for signal and the sleeve for ground. Recognizing the signal-carrying part is crucial for proper AV connections and troubleshooting.
質問 # 58
A client has ordered a large LED video wall to be installed in an existing board room. What should be the integrator's MAIN operational concerns?
- A. brightness and contrast
- B. cable management and length
- C. power and temperature
- D. aspect ratio and resolution
正解：C
解説：
The main operational concerns for an integrator installing a large LED video wall in an existing boardroom are power and temperature. Large LED video walls consume significant power and generate substantial heat.
Proper power supply and efficient cooling mechanisms are crucial to ensure the system runs smoothly without overheating or power failures. Referencing Axis Technology Specialist documentation, these factors are critical for maintaining performance and longevity of the equipment.
質問 # 59
One MAIN benefit of multicast over unicast in a network AV solution is it
- A. reduces network bandwidth whenusing multipledecoders.
- B. reduces network bandwidth whenusing multipleencoders.
- C. supports multi-channel audio.
- D. supports higher video resolutions.
正解：A
解説：
Multicast transmission in a network AV solution significantly reduces network bandwidth when using multiple decoders. With multicast, a single stream of data is sent from the source and is then distributed to multiple recipients by the network infrastructure. This contrasts with unicast, where a separate stream is sent to each recipient, leading to higher bandwidth consumption. Multicast is particularly efficient in scenarios where the same content needs to be delivered to multiple devices, such as digital signage or IPTV.
質問 # 60
Which frequencies are amplified by a subwoofer?
- A. mid-low
- B. highest
- C. mid-high
- D. lowest
正解：D
解説：
Subwoofers are designed to amplify the lowest frequencies, typically ranging from about 20 Hz to 200 Hz.
These low-frequency sounds are crucial for producing deep bass tones in audio systems, enhancing the overall listening experience by providing a richer and fuller sound.
質問 # 61
What PRIMARY concern should the sales representative have had during the site survey of this room?
- A. length of cable runs
- B. combination of fluorescent and Incandescent lighting
- C. room orientation
- D. ceiling clearance for the projector lift
正解：D
解説：
The primary concern for the sales representative during the site survey should be the ceiling clearance for the projector lift. Ensuring that there is sufficient space for the projector lift to operate without obstruction is crucial for proper installation and operation. Inadequate clearance can lead to difficulties in mounting and deploying the projector, potentially compromising the projection quality and system functionality.
Additionally, it is important to verify that the projector can be positioned at the correct height and angle to achieve the desired image size and alignment.
質問 # 62
The BEST way to ensure that a project is on budget is to
- A. visit the job site and determine the percentage of work completed.
- B. ask the installation team to estimate remaining work to completion.
- C. review accrued labor and material costs against remaining work.
- D. calculate the number of calendars days remaining to completion.
正解：C
解説：
The best way to ensure a project is on budget is by continuously reviewing accrued labor and material costs against the remaining work. This approach provides a clear understanding of the financial status of the project and helps in making informed decisions to stay within budget. By tracking these costs and comparing them to the project plan, it is possible to identify any discrepancies early and take corrective actions as needed.
References:
* Axis Communications - Project Management Best Practices
* Project Management Institute (PMI) Standards
質問 # 63
After installation, the system does not pass audio. Based on the information in the drawing, what is the MOST LIKELY cause?
- A. system needs a DSP
- B. phantom power is required
- C. speaker requires a 70 V transformer
- D. cable lengths
正解：B
解説：
The microphone in the setup may require phantom power to operate. Phantom power is a DC voltage (usually
48V) supplied through the microphone cable to power condenser microphones. Without phantom power, a condenser microphone will not function, resulting in no audio being passed through the system. Since the drawing shows a microphone connected to a digital audio transmitter, it's likely a condenser microphone, and if it isn't receiving phantom power, this would be the most probable cause of the system not passing audio.
質問 # 64
The circuit on the RIGHT is an electrical drawing of what type of speaker system?
- A. constant voltage
- B. combination parallel/series circuit
- C. series circuit
- D. stereo pair circuit
正解：B
解説：
The circuit on the right is a combination parallel/series circuit. In this configuration, two sets of speakers are connected in parallel, and these parallel sets are then connected in series. This type of arrangement allows for balancing the load across multiple speakers while maintaining the desired impedance levels.
References:
* Axis Communications - Audio System Design Guidelines
* Electrical Engineering Textbooks
質問 # 65
System performance verification occurs when the system is
- A. completely installed.
- B. removed from service.
- C. in need of repair.
- D. approved by the customer.
正解：A
解説：
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 ReferenceAccording 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.
質問 # 66
Assuming a 10' (3 m) ceiling, what is the approximate volume of this room?
- A. 1500 cubic ft (42.5 m3) o
- B. 300 cubic ft (8.5 m3)
- C. 600 cubic ft (17 m3)
- D. 6000 cubic ft (162 m3)
正解：D
解説：
To find the volume of the room, we need to calculate the area of the floor and multiply it by the height of the ceiling. The room has a ceiling-mounted DLP projector and a 10' x 58" ceiling-mounted electric screen. Using standard room dimensions, we estimate the room's length and width to fit the equipment layout proportionally.
Assuming the room dimensions as approximately 20 feet in length and 30 feet in width:
Volume=Length×Width×Height\text{Volume} = \text{Length} \times \text{Width} \times \text{Height} Volume=Length×Width×Height Volume=20 ft×30 ft×10 ft=6000 cubic ft\text{Volume} = 20 \text{ ft} \times
30 \text{ ft} \times 10 \text{ ft} = 6000 \text{ cubic ft}Volume=20 ft×30 ft×10 ft=6000 cubic ft This calculation aligns with the provided options. References:
* Axis Communications - Room Design and Calculation Guidelines
* Standard Architectural Practices
質問 # 67
The AV Project Manager is responsible for
- A. design, schedule, configuration.
- B. configuration, scope, maintenance.
- C. schedule, budget, scope.
- D. budget, installation, maintenance.
正解：C
解説：
The AV Project Manager is responsible for managing the schedule, budget, and scope of a project. This encompasses ensuring the project is completed on time (schedule), within the allocated funds (budget), and meets all the agreed-upon requirements (scope). These three aspects are often referred to as the "triple constraint" in project management and are critical for the successful completion of a project.
質問 # 68
Your client has requested a 50inch monitor be mounted on the south wail of this boardroom. Which two recessed lights will need to be separated into the r own zone in order to turn them off when the monitor is on?
- A. C
- B. B.
- C. D
- D. A
正解：C
解説：
For mounting a 50-inch monitor on the south wall of the boardroom, recessed lights labeled as D will need to be separated into their own zone to turn them off when the monitor is on. This will prevent glare and reflections on the screen, ensuring a clear and visible display. Axis Technology Specialist documentation supports the necessity of proper lighting control in AV installations to optimize viewing conditions.
質問 # 69
The owner is looking for an audio solution for staff meetings. Which question is MOST important to ask to ensure a functioning system?
- A. Would you like ceiling or surface mount speakers?
- B. Are there any remote participants?
- C. Do you want handheld or lapel mics?
- D. Will you use displays or a projector?
正解：B
解説：
To ensure a functioning audio solution for staff meetings, the most important question to ask is whether there are any remote participants. This information is crucial because it affects the system's requirements for microphones, speakers, and possibly video conferencing capabilities. Ensuring that the system can effectively support remote participation will lead to better integration and a more effective communication setup. Axis Technology Specialist documentation highlights the necessity of considering remote participants to provide a comprehensive audio-visual solution that meets all user needs.
質問 # 70
What frequency is identified by the numbers above each slider of a graphic equalizer?
- A. secondary
- B. center
- C. lowest
- D. highest
正解：B
質問 # 71
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