Question
Which statement about reflections of KNX RF signals is correct?
Answer
A — Reflections can have both a positive and a negative effect
Correct: the source says reflections may be positive or negative depending on the situation.
Source
KNX Basic Course Documentation — 2 — p. 140
All proposed choices (exam context)
- A.Reflections can have both a positive and a negative effect✓
- B.Reflections are always beneficial
- C.Reflections are always harmful
- D.Reflections never occur in the 868 MHz band
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