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.

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.
Full bank

Keep going with the full KNX Basic bank

Keep going with the full KNX Basic bank: unlimited timed mock exams, detailed answers, history. From €9 (one-time payment).

See pricing — from €9 →
Want more?

Continue KNX Basic practice

Related questions

Question from our independent practice bank. KNX Basic is a registered trademark of KNX Association, not affiliated with CertifBus.

KNX Basic v2 bank · September 2026

See pricing — from €9
KNX Basic pack · from €9
KNX BASIC

Your next study session starts with 10 questions.

Try the questions and explanations without an account. Then choose an access period that fits your preparation.

+1 / −0.5 / 0 official scoringFR·EN·DE interface and explanations€9 from · one-time payment
Newsletter

Keep your KNX preparation moving

We’ll email you when new KNX questions, a guide or a tool is published. No spam.

Unsubscribe in 1 click. No sharing with third parties.