Question
How can a device address bus devices located in a different area?
Answer
A — Via the backbone line, which interconnects the areas.
Correct: An area-crossing telegram uses the backbone line to move between areas.
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An error or unclear wording? Report this questionAll proposed choices (exam context)
- A.Via the backbone line, which interconnects the areas.✓
- B.Via the main line only, without the backbone line.
- C.Directly, because all areas share one common line.
- D.It cannot; devices in different areas can never communicate.
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