- The unknown underlying cause of one or more incidents
- The configuration information showing the status of a configuration item (CI) that has been identified as problematic
- A problem where the root cause is identified and a workaround is available
- A CI that works intermittently for short periods of time
The correct answer is 3.
A problem that has a known root cause and a workaround that has been identified is the correct answer because it is the text book definition of a known error. The unknown underlying cause of one or more incidents is the definition of a problem. The configuration information showing the status of the CI deals with configuration information. A CI that works intermittently is a distractor.
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