Question

Using group addresses in ETS, which group objects may be linked together?

KNX BasicLearnSystem OverviewMedium
Answer

B — Only group objects that have the same size.

Correct: the source states ETS only allows linking group objects that have the same size.

Source

KNX Basic Course Documentation — 4 — p. 39

All proposed choices (exam context)
  1. A.Any two group objects, regardless of their size.
  2. B.Only group objects that have the same size.
  3. C.Only group objects located in the same bus device.
  4. D.Only group objects that are exactly 1 bit in size.
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Last updated: 19 May 2026

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