Practice Test Geeks(DCI) Data Cabling Installer Practice Test
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Standards and Codes Flashcards

7 cards from real DCI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. In the ANSI/TIA cabling hierarchy, what term describes the main cross-connect that serves as the top level of the cabling infrastructure?

    Answer: Main Cross-connect (MC)

    The Main Cross-connect (MC) is at the top of the ANSI/TIA structured cabling hierarchy, typically located in the main equipment room and connecting to the entrance facility.

  2. What is the maximum backbone cable distance between a main cross-connect and an intermediate cross-connect using multimode optical fiber per ANSI/TIA-568?

    Answer: 2000 meters

    ANSI/TIA-568 allows up to 2000 meters between the MC and IC using multimode optical fiber for campus backbone applications.

  3. Which standard defines the performance specifications for Category 8 cabling designed for data center use?

    Answer: ANSI/TIA-568.2-D

    ANSI/TIA-568.2-D includes Category 8 specifications, supporting 25GBASE-T and 40GBASE-T over a 30-meter channel for data center top-of-rack applications.

  4. When installing communications cabling, which NEC section prohibits running low-voltage communications cables in the same raceway as high-voltage power conductors?

    Answer: Article 800.133

    NEC Article 800.133 prohibits communications conductors from being placed in the same cable, raceway, or fitting with electric light, power, or Class 1 circuits.

  5. What does OSHA 29 CFR 1926.416 require that directly impacts telecommunications cable installers working on construction sites?

    Answer: Protection from electrical hazards near exposed energized parts

    OSHA 29 CFR 1926.416 requires workers to be protected from contact with exposed energized conductors, which applies when installers work near electrical systems.

  6. According to ANSI/TIA-568, how many telecommunications outlets must be provided at each work area as a minimum?

    Answer: Two outlets, each with two ports

    ANSI/TIA-568 requires a minimum of two telecommunications outlets per work area, each with a minimum of two ports (one for voice, one for data).

  7. Which edition of NFPA 70 (NEC) introduced significant changes to how Class 2 and Class 3 circuit cabling is classified using a new cable routing assembly system?

    Answer: 2017 NEC

    The 2017 NEC introduced the new cable routing assembly (CRA) classification system for Class 2/3 and communications cables, replacing many of the previous type designations.