Practice Test Geeks(VDV) Voice Data Video Technician Certified Practice Test
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Cabling Infrastructure Flashcards

7 cards from real VDV 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. What type of fiber connector uses a push-pull latching mechanism and is commonly preferred in high-density patch panels?

    Answer: LC

    The LC (Lucent Connector) uses a push-pull latch similar to an RJ-45 and occupies half the footprint of an SC, making it ideal for high-density fiber installations.

  2. Which standard defines the color coding for T568A and T568B wiring configurations on 8-position modular jacks?

    Answer: ANSI/TIA-568

    ANSI/TIA-568 (Commercial Building Telecommunications Cabling Standard) defines both T568A and T568B pin/pair assignments for 8-position modular connectors.

  3. A Cat6 horizontal cable run tests at 103 meters. What is the technician's best corrective action?

    Answer: Reroute the cable to shorten it to 90 meters or less

    TIA-568 limits horizontal cabling (H channel) to 90 meters; the run must be rerouted or the pathway redesigned to meet this mandatory limit.

  4. What is the primary function of a splice enclosure in a fiber optic outside plant (OSP) installation?

    Answer: To protect and organize fiber fusion or mechanical splices from environmental damage

    Splice enclosures (also called splice closures) provide weatherproof, mechanically protective housing for fusion or mechanical splices in underground, aerial, or buried OSP fiber runs.

  5. When installing coaxial cable for a video distribution system, which factor most directly affects signal attenuation per unit length?

    Answer: Conductor diameter and dielectric material

    Attenuation per unit length in coax is primarily determined by the center conductor diameter and the dielectric material's loss tangent; larger conductors and low-loss dielectrics reduce attenuation.

  6. In a data center, what is the purpose of hot aisle/cold aisle containment as it relates to cabling infrastructure?

    Answer: To organize airflow and protect cable management from heat damage

    Hot/cold aisle containment directs cooling air efficiently and keeps cable management overhead or under-floor pathways away from exhaust heat, extending cable life and reducing thermal degradation.

  7. Which BICSI standard provides installation guidelines for telecommunications cabling in commercial buildings?

    Answer: ANSI/BICSI 002

    ANSI/BICSI 002 (Data Center Design and Implementation Best Practices) and BICSI-related standards like ANSI/BICSI 002 guide cabling installation; BICSI 002 specifically covers commercial building cabling installation.