Question

Which statement best describes the topology of devices in a KNX RF installation?

KNX BasicLearnKNX RFMedium
Answer

C — They follow no fixed hierarchical arrangement; within radio range any sensor can communicate with any actuator.

Correct: the source says RF devices are not subject to a hierarchical arrangement and each sensor within range can reach each actuator.

Source

KNX Basic Course Documentation — 4.1 — p. 150

All proposed choices (exam context)
  1. A.They must be grouped into areas and lines joined by couplers, exactly like KNX TP.
  2. B.They are arranged in a star around a central RF controller that routes every telegram.
  3. C.They follow no fixed hierarchical arrangement; within radio range any sensor can communicate with any actuator.
  4. D.Each device may communicate with only one paired device, never with several actuators.
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Last updated: 19 May 2026

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