素晴らしいCTS-I試験問題集試そうCTS-I問題集PDF
CTS-I問題集PDFでCTS-Iリアル試験問題解答
質問 # 120
What is a ground loop?
Response:
- A. An electrically conductive area that has two or more ground reference connections
- B. An electrical connection between any grounded conductor and any non-current-carrying metal object
- C. An interruption of a cable shield connection
- D. A continuous isolation between receptacles and electrical circuits
正解：A
質問 # 121
Which of the following is mic-level voltage?
Response:
- A. 1.23 volts (+4 dBu)
- B. to 0.0003 volts (-60 to -50 dBu)
- C. Up to about 100 volts
- D. 0.316 volts (-10 dBV)
正解：B
質問 # 122
An amplifier can supply 100w at 2 ohms. How many 8 ohm speakers can be wired in parallel without exceeding the capabilities of amplifier?
Response:
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
質問 # 123
What are key considerations when determining projector placement?
Select all that apply.
Response:
- A. Throw distance
- B. Type of lens
- C. Standard deviation
- D. Offset value
正解：A、B、D
質問 # 124
A projector weighing 429 pounds (195 kilograms) should be mounted only to what type of surface?
Response:
- A. Drywall in conference room
- B. Ceiling tile of an auditorium
- C. Building structural support or blocking
- D. Front wall in a classroom
正解：C
質問 # 125
HDCP is capable of working over which of the following interfaces?
Select all that apply.
Response:
- A. DisplayPort
- B. HDBaseT
- C. MHL
- D. HDMI
正解：A、B、C、D
質問 # 126
Which mounting hardware will provide the MOST support when mounting a camera bracket to sheetrock/plasterboard not located near a wall stud?
Response:
- A. Snap toggles / hollow wall anchors
- B. Self tapping screws
- C. Masonry bolts
- D. Plastic wall anchors / wall plugs
正解：A
質問 # 127
What does the first number in an aspect ratio represent?
Response:
- A. Length
- B. Depth
- C. Width
- D. Height
正解：C
質問 # 128
What are best practices when evaluating facility conditions of a space that is ready for installation?
Select all that apply.
Response:
- A. Make sure the site is clean and dust-free
- B. Note areas that may impact logistics
- C. Take pictures and document all existing conditions
- D. Note if you will need an extension ladder
正解：A、B、C、D
質問 # 129
If existing components have to be reused in an AV system, what is a critical task that the installer must perform?
Response:
- A. Call the manufacturer to extend the warranty
- B. Draw a schematic showing where the old equipment fits
- C. Discard items that do not meet specifications
- D. Test the equipment to make sure it is operational
正解：D
質問 # 130
__________ can transmit AV signals and other data up to a distance of 300 meters or more before signal quality is compromised.
Response:
- A. Coaxial cabling
- B. Unshielded twisted-pair (UTP) cabling
- C. Shielded twisted-pair (STP) cabling
- D. Multimode fiber-optic cabling
正解：D
質問 # 131
What type of cable is shown in the following image?
Response:
- A. Shielded twisted-pair cable
- B. Fiber-optic cable
- C. Unshielded twisted-pair cable
- D. Coaxial cable
正解：A
質問 # 132
How often should your toolbox multimeter be sent to an accredited testing laboratory for recalibration?
Response:
- A. Before the commencement of each project
- B. Never. It should be calibrated against your organization's highest-precision test instrument
- C. Every five years
- D. Yearly
正解：B
質問 # 133
Single-mode fiber-optic cables can transmit AV signals up to a distance of __________ before quality is compromised.
Response:
- A. 656 feet (200 meters)
- B. 984 feet (300 meters)
- C. 9,840 feet (3,000 meters)
- D. 6561 feet (2,000 meters)
正解：D
質問 # 134
When mounting audio visual equipment, ASTM and SAE (ISO) bolts should have a grade (property classification) of NOT LESS THAN Response:
- A. 5 (5.6).
- B. 8 (8.8).
- C. 2 (3.6).
- D. >8 (10.9)
正解：A
質問 # 135
What type of rack would you use for an AV event at a remote location?
Response:
- A. Portable with casters rack
- B. Gangable rack
- C. Stand-alone rack
- D. Portable shock-mount rack
正解：D
質問 # 136
The picture below illustrates:
Response:
- A. A poorly stripped cable for use with an G type connector
- B. A poorly prepared termination point for a DB-9 connection
- C. A properly prepared connection for an RJ-45 termination
- D. A properly stripped cable for a linear compression BNC connector
正解：D
質問 # 137
What is a control system?
Response:
- A. A system for managing a network
- B. A strategy for managing workgroups
- C. An interface between a human and a machine or system
- D. An authorization policy
正解：C
質問 # 138
Which device is needed to calibrate an SPL meter?
Response:
- A. A pink noise generator
- B. No device is needed
- C. An SPL calibrator that produces 94 dBSPL = 1 Pa
- D. A loudspeaker with a 1/2 inch element connector
正解：C
質問 # 139
The key elements of a project should be driven by:
Response:
- A. The deadline for completion
- B. The overall budget
- C. The client's need
- D. The cost of materials
正解：C
質問 # 140
What is a best practice when selecting fasteners for mounting AV equipment?
Response:
- A. Use standards-rated bolts.
- B. Use bolts with smooth heads.
- C. Use bolts that are extra-long.
- D. Use bolts that are available near the job site.
正解：A
質問 # 141
Which of the following should be included in a Network Device Inventory?
Select all that apply.
Response:
- A. Device model numbers and firmware versions
- B. MAC address of each device
- C. Ports used by each device
- D. Physical dimensions of each device
正解：A、B、C
質問 # 142
A customer has recently changed their phone system from a traditional POTS line to a VoIP-based switch. The new VoIP switch still dials out properly but no longer hangs up when the far end disconnects. What is the MOST likely problem?
Response:
- A. The on-hook voltage is too high and the hybrid is set to "loop drop"
- B. The phone line is now VOIP and cannot be used with an analog hybrid
- C. The on-hook voltage is correct and the hybrid is set to "call progress"
- D. The on-hook voltage is correct and the hybrid is set to both "loop drop & call progress"
正解：A
質問 # 143
What type of drawing view shows the layout of items on the ceiling?
Response:
- A. Elevation drawing
- B. Detail ceiling drawing
- C. Reflected floor plan
- D. Reflected ceiling plan
正解：D
質問 # 144
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