Question
What happens to the temporary RAM values of a KNX device when the bus power fails?
Answer
B — They are lost, unless previously saved in non-volatile memory
Correct: RAM (temporary) values are lost on a bus power failure unless the device saved them earlier in non-volatile memory.
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An error or unclear wording? Report this questionAll proposed choices (exam context)
- A.They are always retained because RAM is non-volatile
- B.They are lost, unless previously saved in non-volatile memory✓
- C.They are automatically uploaded to the ETS project
- D.They overwrite the mask version
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