Question

Device 1.1.44 is an RF device sitting in an RF subsegment behind a TP-RF segment coupler on a TP main segment. What does this show?

KNX BasicLearnKNX TopologyMedium
Answer

A — A subsegment may use a different medium (RF) than its main segment (TP).

Correct: subsegments can be a different medium type; an RF subsegment can be coupled to a TP main segment.

All proposed choices (exam context)
  1. A.A subsegment may use a different medium (RF) than its main segment (TP).✓
  2. B.Individual addresses encode the transmission medium.
  3. C.An RF device must always have device address 0.
  4. D.The main segment must also be converted to RF.
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.