Which one ofthe following is the BEST definition of an event?
A . Any change of state that has significance for the management of a configuration item
(CI) or IT service
B . An unplanned interruption to an IT service or a reduction in the quality of an IT service
C . The unknown cause of one or more incidents that have an impact on an IT service
D . Reducing or eliminating the cause of an incident or problem
Answer: A