Question

Once commissioning (with all customisation and diagnostics) is complete, how is normal communication such as light on/off carried out?

KNX BasicLearnSystem OverviewMedium
Answer

D — Exclusively via group addresses

Correct: After commissioning, communication is done exclusively via group addresses.

Source

KNX Basic Course Documentation — 3.1 — p. 31

All proposed choices (exam context)
  1. A.Exclusively via individual addresses
  2. B.Via the broadcast address 0/0/0
  3. C.Via both individual and group addresses equally
  4. D.Exclusively via group addresses
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Last updated: 19 May 2026

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