2025年最新のINSTC_V8問題集にはCabling Installation認証済み試験問題と解答
実際に出ると確認されたINSTC_V8試験問題集と解答でINSTC_V8無料更新
質問 # 38
What method of transmission is used to transmit signals during a telephone call?
- A. Simplex
- B. Half-duplex
- C. Full duplex
正解：C
質問 # 39
Which of the following may provide a demarcation point between the service provider and the customer premises cabling?
- A. Work area
- B. Telecommunications room
- C. Telecommunications enclosure
- D. Entrance facility
正解：D
質問 # 40
According to BICSI guidelines, which of the following best describes the maximum pulling tension recommended for a 4-pair UTP cable during installation (without using special pulling grips)?
- A. 66 kg (145 lb)
- B. 11 kg (25 lb)
- C. 22 kg (50 lb)
- D. 44 kg (100 lb)
正解：C
質問 # 41
Which of the following is permissible if the available firestop assembly is NOT capable of properly restoring the necessary fire rating?
- A. Obtain written assistance from the manufacturer
- B. Move the installation to another location
- C. Substitute products from another assembly
- D. Add more of the product to increase the rating
正解：A
質問 # 42
What is the maximum permissible amount of untwisting for category 5e cable and higher?
- A. 38 mm (1.5")
- B. 75 mm (3")
- C. 12.7 mm (0.5")
- D. 25 mm (1")
正解：C
質問 # 43
What is the minimum number of consolidation points that should serve an open office furniture cluster?
- A. 0
- B. 1
- C. 2
- D. 3
正解：D
質問 # 44
What type of coaxial cable is used for video backbone distribution?
- A. RG 58
- B. Series 11
- C. RG 59
- D. Series 6
正解：B
質問 # 45
Which of the following fire ratings refers to the time period that a fire-rated assembly can resist flame passage?
- A. T rating
- B. W rating
- C. F rating
- D. L rating
正解：C
質問 # 46
You are installing a new equipment rack in a Telecommunications Room (TR). Which grounding practice aligns BEST with BICSI Installer 2 guidelines?
- A. Connecting the rack directly to the nearest water pipe for grounding
- B. Grounding the rack to the building's structural steel using a #8 AWG copper conductor
- C. Bonding the rack to the telecommunications grounding busbar with a listed bonding conductor of appropriate size
- D. Relying on the rack's anchor bolts into the concrete floor for grounding
正解：C
質問 # 47
When installing optical fiber cable in a cable tray with a 15 cm (6 in) inside depth, which of the following support practices is MOST appropriate to adhere to bend radius requirements?
- A. Tie-wrap the cables tightly at every 30 cm (12 in).
- B. Use Velcro straps and secure them at 2 m (6 ft) intervals.
- C. Maintain at least twice the manufacturer's recommended bend radius by using fittings or supports at each transition point.
- D. Place cables loosely along the tray without ties.
正解：C
質問 # 48
Which pair of a 100-ohm balanced twisted pair patch cable has a white-brown tip and a brown-white ring?
- A. Pair 3
- B. Pair 4
- C. Pair 2
- D. Pair 1
正解：B
質問 # 49
Which of the refers to a rule or set of rules intended to endure safety during the installation and use of materials, components, fixtures, systems, premises and related subjects?
- A. Regulation
- B. Code
- C. Standard
- D. Directive
正解：B
質問 # 50
Which of the following combinations is used to identify the tip conductors in Pair 1 of a 4-pair cable?
- A. White-Orange
- B. White-Blue
- C. Brown-White
- D. Green-White
正解：B
質問 # 51
When labeling patch panels, which of the following is MOST aligned with TIA-606 and BICSI best practices?
- A. Use building zone references, omitting port identifiers
- B. Only label the left-most and right-most ports
- C. Assign labels based on random color coding for each port
- D. Label each port sequentially by row (e.g., 1-24, then 25-48, etc.)
正解：D
質問 # 52
Which of the following terms describes the unwanted signal coupling from a disturbing pair of a 4-pair cable channel to a disturbed pair of another 4-pair channel?
- A. ACRF - attenuation to crosstalk ratio far end
- B. AXT - alien crosstalk
- C. NEXT - Near end crosstalk
正解：B
質問 # 53
Which statement is TRUE about support systems for horizontal cabling according to BICSI and TIA/EIA standards?
- A. Cable supports must be placed at intervals not exceeding 1.5 m (5 ft).
- B. J-hooks are generally prohibited except in buildings over four stories.
- C. Lashing cables to electrical conduits is acceptable in open ceilings.
- D. The support system must integrate with the building's water piping.
正解：A
質問 # 54
What is the maximum number of work areas that a CP should serve?
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
質問 # 55
A third 90-degree bend may be permitted in a conduit run if one of the bends is located within ____ of the cable feed end?
- A. 300 mm (12")
- B. 375 mm (15")
- C. 483mm (19")
- D. 450 mm (18")
正解：A
質問 # 56
How long does it take someone to form a first impression?
- A. 5 to 10 minutes
- B. 1 to 2 minutes
- C. 30 minutes to 1 hour
- D. 10 to 15 seconds
正解：D
質問 # 57
Which of the following types of construction protects the optical fiber by supporting each strand of glass with a buffer coating extruded over the base optical fiber's 250 um acrylate coating?
- A. Tight buffered
- B. Loose tube
- C. Single stranded
- D. Ribbon
正解：A
質問 # 58
Which type of optical fiber cable should be color coded with a RED outer cable sheath?
- A. Polarization maintain SM optical fiber
- B. MM optical fiber with 50 um core diameter (laser-optimized)
- C. MM optical fiber with 50 um core diameter
- D. Dispersion-shifted SM optical fiber
正解：D
質問 # 59
Which term describes using an LC connector on a fiber cable for the main cable plant side, and SC connector for the equipment side, in the same patch panel adapter?
- A. Mode mixing
- B. Hybrid adapter coupling
- C. Transitional attenuation
- D. Duplex bridging
正解：B
質問 # 60
If a conduit run between two pull boxes has two 90-degree bends and measures 23 m (75 ft) total in length, what is the BEST way to comply with BICSI recommendations if you need to add a third 90-degree bend?
- A. Replace the entire run with larger conduit
- B. Add an appropriately placed pull box or intermediate point
- C. Use a flexible metallic conduit for the final bend
- D. Lubricate the conduit heavily and pull the cable in one continuous run
正解：B
質問 # 61
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