CTS-D練習試験テスト最新問題2025年02月
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質問 # 21
If an amplifier draws 7 amperes (A) at 120 V of alternating current (VAC), without considering amplifier efficiency, what is the heat load it generates?
Response:
- A. 1212 BTU/hr
- B. 2856 BTU/hr
- C. 1505 BTU/hr
- D. 840 BTU/hr
正解：B
質問 # 22
What should be a part of a detailed networked device inventory?
Response:
- A. Manufacturer and model, MAC addresses, software and firmware versions
- B. Servers running DSP services, conduit, rack connections
- C. All networking systems, LAN, wireless and DSP networks
- D. Serial number, physical location, manufacturer and model
正解：A
質問 # 23
When setting a delay filter, it's useful to know that sound travels at how many feet (meters) per second at about 70 degrees Fahrenheit?
Response:
- A. 1,001 (305)
- B. 1,130 (344)
- C. 1,025 (312)
- D. 950 (390)
正解：B
質問 # 24
Using a 20-log decibel calculation and assuming a loudspeaker is generating 80 dB SPL at a distance of 22 feet (7 m) from the source, what would the level be at 88 feet (27 m) away?
Response:
- A. 40 dB SPL
- B. 72 dB SPL
- C. 52 dB SPL
- D. 68 dB SPL
正解：D
質問 # 25
After a project has been completed and verified, the AV team should hand over comprehensive documentation, including __________.
Response:
- A. A business card
- B. Drawings of record
- C. Test patterns
- D. Copies of relevant standards
正解：B
質問 # 26
You need to stream 10 channels of 96 kHz audio. You have 25 Mbps of bandwidth available. What is the highest bit depth you can use?
Response:
- A. 24 bit
- B. 48 bit
- C. 32 bit
- D. 26 bit
正解：D
質問 # 27
What is the first design reference you need to consider in your design consultation?
Response:
- A. Manufacturer documentation
- B. Project documentation
- C. Regulatory requirements
- D. Client's standards and best practices
正解：C
質問 # 28
Using the diagram below, how would the AV designer confirm room dimensions?
Response:
- A. Calculate using a measured door width
- B. Look at lighting fixtures and calculate by surface area
- C. Measure from the 16" studs located in the wall blue print
- D. Use the scale to measure and convert to feet and meters
正解：D
質問 # 29
A client's security objectives can often be described with respect to the CIA triad. CIA stands for:
Response:
- A. Communication, infrastructure, authorization
- B. Confidentiality, information, access
- C. Confidentiality, integrity, availability
- D. Central Intelligence Agency
正解：C
質問 # 30
What list helps to organize what needs to be done by everyone on the project?
Response:
- A. Control object list
- B. Control functions script
- C. Materials list
- D. System component list
正解：B
質問 # 31
Twisted-pair cables offer protection from electromagnetic interference by __________.
Response:
- A. Shielding each pair inside a foil or braided shield
- B. Exposing each wire to the same outside interference, allowing it to be canceled at the input circuit
- C. Comparing the signal that arrives at the destination device against a checksum
- D. Physically separating conductors from higher-voltage signals
正解：B
質問 # 32
If your venue is located in an earthquake prone region, what mounting precautions need to be taken to ensure the safety and security of persons and property?
Response:
- A. Mounted equipment should have a minimum safety factor of 3:1
- B. Stabilizer arms, sway bars, and safety cables should be utilized
- C. Ceiling speakers should be tied to the ceiling grid
- D. Lightweight construction panels and AV materials should be used
正解：B
質問 # 33
Sound pressure level should always fall between __________.
Response:
- A. 0 and 140 dB SPL
- B. 10 and 140 dB SPL
- C. 0 and 200 dB SPL
- D. -10 and 100 dB SPL
正解：A
質問 # 34
What type of video is best used to verify audio/video synchronization?
Response:
- A. News anchors speaking
- B. A blip-and-flash test reel
- C. Landscapes with orchestra music
- D. Team sports
正解：B
質問 # 35
If your streaming AV system does not support High-bandwidth Digital Content Protection (HDCP), it's likely the system _______________.
Response:
- A. Won't be able to play high-definition video content
- B. Won't be able to play protected audio streams
- C. Won't be able to play live video streams
- D. Won't be able to play standard-definition video content
正解：A
質問 # 36
Which of the following amplifiers would you specify for a 30 ft x 40 ft conference room with a 10 ftceiling. The requirements are to provide a system with two front speakers, and two zones of ceiling speakers?
Response:
- A. 4 Channel 300 W/Ch @ 8 Ohm
- B. 4 Channel 100W/Ch @ 4 Ohm
- C. 2 Channel 300 W/Ch @ 70V or 8 Ohm
- D. 4 Channel 300 W/ch @ 70V or 4 Ohm
正解：D
質問 # 37
What is the required bandwidth for 4:1:1 progressive digital video signal (1920 × 1080, 8 bits at 30 Hz)?
Response:
- A. 1.49 Gbps
- B. 1.30 Gbps
- C. 3.30 Gbps
- D. 746 Mbps
正解：D
質問 # 38
If the efficiency rating of an amplifier is 65% and the amplifier draw 7 amperes (A) at 120 V of alternating current (VAC) what is the heat load it generates?
Response:
- A. 1500 Btu/hr
- B. 1200 Btu/hr
- C. 1000 Btu/hr
- D. 840 Btu/hr
正解：C
質問 # 39
What details should be included in the AV system Design Package?
Response:
- A. Furniture Integration, Custom plate and Panel, Power, Grounding and Signal
- B. Network Panels, Fire/Life Safety and Power
- C. Fire/Life Safety, Network and Furniture Integration
- D. Grounding and Signal, Network Panels and Lighting
正解：A
質問 # 40
On what drawings would the projector sight lines be found?
Response:
- A. Electrical drawings
- B. Facility and architectural drawings
- C. AV system drawings
- D. Elevation drawings
正解：B
質問 # 41
Which of the following architectural drawing symbols is a detail flag?
Response:
- A.
- B.
- C.
- D.
正解：D
質問 # 42
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