Question

Including the mounted line-/backbone couplers, how many bus devices can be topologically addressed on a main line?

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Answer

D — 256

Correct: up to 256 bus devices, including the mounted couplers, can be addressed on the main line.

All proposed choices (exam context)
  1. A.255
  2. B.15
  3. C.16
  4. D.256✓
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