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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 asked to install cabling for a new VoIP phone system. Which IEEE PoE standard delivers up to 30 watts per port to support mid-span powered devices?

    Answer: IEEE 802.3at (PoE+)

    IEEE 802.3at (PoE+) delivers up to 30 watts per port, compared to 802.3af's 15.4 watts, making it suitable for higher-power devices like VoIP phones with displays.

  2. In a hierarchical star (extended star) topology used in enterprise cabling, what is the role of the intermediate distribution frame (IDF)?

    Answer: It aggregates horizontal cabling from work areas on a floor and uplinks to the MDF

    The IDF aggregates horizontal cabling runs from work area outlets on a given floor and connects via backbone cabling up to the main distribution frame (MDF).

  3. According to ANSI/TIA-568, what is the minimum bend radius allowed for a Cat 6 UTP cable during installation (under tension)?

    Answer: 4× the cable diameter

    Under tension during installation, Cat 6 UTP must maintain a minimum bend radius of 4× the cable diameter to prevent damage to the cable's internal geometry.

  4. Which physical layer topology is used by legacy 10BASE5 Ethernet (Thicknet)?

    Answer: Bus

    10BASE5 Thicknet uses a physical bus topology where all devices tap into a single shared coaxial cable segment.

  5. A technician is troubleshooting a network where multiple users lose connectivity simultaneously whenever there is a problem at one central location. Which topology does this describe?

    Answer: Star topology

    In a star topology, all devices connect to a central switch or hub; failure of that central device causes all connected devices to lose connectivity.

  6. What is the maximum number of consolidation points (CPs) permitted in a single horizontal cabling channel according to TIA-568?

    Answer: One

    TIA-568 permits only one consolidation point per horizontal cabling channel, used to transition between cable types such as from round to flat cable.

  7. When a CPCT technician installs a new network segment using 10GBASE-SR multimode fiber, which OM-rated fiber type provides the longest supported distance?

    Answer: OM4 (50/125 µm high-bandwidth)

    OM4 laser-optimized 50/125 µm multimode fiber supports 10GBASE-SR up to 400 meters, the longest distance among OM-rated multimode options.