Question
Why does KNX RF natively support long frames?
Answer
B — To support the KNX Secure Application Layer (authentication and encryption), so the media coupler is not the security weak point
Correct: long frames carry the KNX Secure Application Layer, giving authentication and encryption and removing the media coupler as the weak point.
Source
KNX Basic Course Documentation — 3.2 — p. 146
All proposed choices (exam context)
- A.To remove the need for a domain address or serial number
- B.To support the KNX Secure Application Layer (authentication and encryption), so the media coupler is not the security weak point✓
- C.To let unidirectional devices receive telegrams
- D.To raise the maximum transmission power above 25 mW
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?
See the 9 other KNX Basic practice questions
Related questions
- ETS is available in four versions. Which statement is correct?1. KNX System Arguments · advantages-and-ets
- ETS Lite is limited to projects with how many products, and is primarily intended for whom?1. KNX System Arguments · advantages-and-ets
- What does the "backward compatibility" of KNX mean in practice?1. KNX System Arguments · advantages-and-ets
- In which year was the KNX Association established, and what was it initially called?1. KNX System Arguments · history-and-standardization
- In 1999 the EIBA merged with two other European associations. Which ones?1. KNX System Arguments · history-and-standardization