Which pair correctly matches the ITIL 4 definitions of 'incident' and 'problem'?

ITIL 4 Foundation, objective 6. Purpose and key terms of 15 ITIL practices easy

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The options

Not correct An incident is any change of state significant to service management; a problem is a repeated incident

A change of state significant to service management is an event. A problem is not defined by repetition — a single incident can have a problem behind it, and a problem may cause no incident yet.

Not correct An incident is a cause of service disruption; a problem is the disruption that users experience

This reverses the two terms. The user-visible disruption is the incident; the cause is the problem.

Not correct An incident is a problem that has been analysed but not resolved; a problem is an unresolved incident

A problem that has been analysed but not resolved is a known error, not an incident. Neither half of this pairing matches the definitions.

Correct An incident is an unplanned interruption to a service or reduction in its quality; a problem is a cause, or potential cause, of one or more incidents

Correct. This is the definitional split: the incident is the effect the user feels, the problem is the cause behind it, and a problem can exist before any incident has occurred.

Why

The word 'potential' in the problem definition matters: a problem does not require that an incident has already happened. That is what allows proactive problem management. Note also that severity is not part of either definition — a low-impact interruption is still an incident.

Where this comes from

Cited
ITIL 4 syllabus clause 6

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