Practice Test Geeks(CPCT) Certified Premises Cabling Technician Practice Test
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Network Topology & Configuration Flashcards

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

Read the first 7 Network Topology & Configuration flashcards as text

  1. A technician is certifying a Cat 6 horizontal link and finds the insertion loss exceeds the TIA-568 limit. Which condition is MOST likely causing this?

    Answer: The total cable length exceeds 90 meters for the permanent link

    Insertion loss (attenuation) increases with cable length; exceeding the 90-meter permanent link limit is the most direct cause of excessive insertion loss.

  2. In a spine-leaf data center topology, which statement BEST describes the role of a leaf switch?

    Answer: It connects end devices (servers, storage) and uplinks only to spine switches

    In a spine-leaf architecture, leaf switches connect end devices and uplink exclusively to spine switches, never to other leaf switches.

  3. Which type of network topology test verifies end-to-end connectivity of a horizontal channel including patch cords at both ends?

    Answer: Channel test

    A channel test measures the entire end-to-end path including patch cords at both ends, while a permanent link test excludes the patch cords.

  4. A structured cabling design requires running backbone cable between two buildings 400 meters apart. Which cable type is the BEST choice?

    Answer: Single-mode fiber optic cable

    Single-mode fiber optic cable supports distances well beyond 400 meters for Ethernet and is the standard choice for inter-building backbone runs of this length.

  5. What is the primary purpose of a telecommunications bonding backbone (TBB) in a structured cabling system?

    Answer: To create a common bonding network for telecommunications equipment grounding

    The telecommunications bonding backbone (TBB) provides a low-impedance common bonding network to equalize ground potential and protect telecommunications equipment from electrical faults.

  6. During a network infrastructure upgrade, a technician replaces a hub with a managed switch in a star topology. Which immediate benefit does this provide?

    Answer: Eliminates collision domains by creating a separate collision domain per port

    A managed switch creates a separate collision domain on each port, eliminating collisions between devices and dramatically improving network performance compared to a shared hub.

  7. According to TIA-569, what is the minimum recommended ceiling height for a telecommunications room (TR)?

    Answer: 2.44 meters (8 feet)

    TIA-569 recommends a minimum clear ceiling height of 2.44 meters (8 feet) for telecommunications rooms to allow proper equipment installation and cable management.