Question
Which statement correctly characterises a KNX controller?
Answer
A — It regulates the interaction between sensors and actuators and has no physical inputs or outputs
Correct: The text defines a controller exactly this way.
Source
KNX Basic Course Documentation — 1.3 — p. 125
All proposed choices (exam context)
- A.It regulates the interaction between sensors and actuators and has no physical inputs or outputs✓
- B.It detects physical variables and reports its inputs on the bus
- C.It receives telegrams and switches an electric load
- D.It supervises the whole installation as a central computer
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