Question
Which numeric keys collapse and expand tree branches in the Tree view?
Answer
C — '/' collapses and '*' expands
Correct: The numeric key '/' collapses a branch and '*' expands it.
Source
KNX Basic Course Documentation — 4.2.5.1 — p. 217
All proposed choices (exam context)
- A.'+' expands and '-' collapses
- B.F2 expands and ENTER collapses
- C.'/' collapses and '*' expands✓
- D.'*' collapses and '/' expands
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