Practice Test Geeks(ATP) Accredited Tier Professional Certification (Cooling & Refrigeration) Practice Test
← All ATP Flashcard Decks

Structured Cabling & Connectivity Flashcards

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

Read the first 7 Structured Cabling & Connectivity flashcards as text

  1. What type of fiber optic connector uses a push-pull latching mechanism and is the most common connector for data center structured cabling in the US?

    Answer: LC (Lucent Connector)

    The LC connector uses a small form-factor push-pull latch and is the dominant connector in modern data centers due to its compact size enabling higher port density.

  2. During fiber optic cable testing, an OTDR trace shows a large spike followed by a rapid signal drop. What does this indicate?

    Answer: A broken or severely damaged fiber (hard fault)

    A large spike followed by rapid signal drop on an OTDR trace is the classic signature of a fiber break or catastrophic fault, where light is reflected then lost completely.

  3. What is the primary advantage of using a centralized fiber optic architecture (CFA) in a large enterprise building?

    Answer: Fiber runs directly from the centralized equipment room to the work area, eliminating the need for active electronics in telecommunications rooms

    CFA eliminates active electronics (switches, media converters) in each TR by running fiber directly to work areas with passive couplers, reducing maintenance points.

  4. Which standard specifies the administration and labeling requirements for a structured cabling system?

    Answer: TIA-606

    TIA-606 (Administration Standard for the Telecommunications Infrastructure of Commercial Buildings) defines labeling, color-coding, and record-keeping requirements.

  5. A Cat 6A F/UTP cable uses foil shielding around all 4 pairs collectively but no individual pair shielding. What does the 'F' designate in this nomenclature per ISO/IEC 11801?

    Answer: Foil shield around the overall cable

    Per ISO/IEC 11801 cable designation (XX/YZZ), the prefix letter before the slash designates the overall cable shield type; 'F' means an overall foil (mylar) shield.

  6. What is the maximum distance allowed for consolidation point (CP) links in a horizontal cabling system per TIA-568?

    Answer: 15 meters minimum from the TR and the total horizontal run must not exceed 90 meters

    TIA-568 requires consolidation points to be at least 15 meters from the TR, and the total horizontal cable distance (TR to outlet) must still not exceed 90 meters.

  7. Which optical fiber type, designated OM5, is specifically designed to support which emerging technology?

    Answer: Short-wavelength division multiplexing (SWDM) for 40G and 100G parallel applications

    OM5 fiber (lime green jacket) is optimized for SWDM across 850–950 nm wavelengths, enabling 40G and 100G over 4-wavelength multiplexing on fewer fiber strands.