Question

What is a limitation of TP line repeaters compared with segment couplers?

KNX BasicLearnKNX TopologyMedium
Answer

B — They are unaware which device address is in which subsegment and have no filter table, so they forward all traffic.

Correct: repeaters cannot tell where an address lives and have no filter table, so every telegram reaches every segment.

All proposed choices (exam context)
  1. A.They filter group addresses but not individual addresses.
  2. B.They are unaware which device address is in which subsegment and have no filter table, so they forward all traffic.✓
  3. C.They can only be used on RF media.
  4. D.They limit a line to 240 devices.
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.