Which of the following is an example of proactive problem management?

A.
Automated detection of an infrastructure or application fault, using event/alert tools automatically to raise an
incident

B.
Analysis of an incident by a technical support group which revels that an underlying problem exists, or is
likely to exist

C.
Suspicion or detection of a cause of one or more incidents by the service desk

D.
Trending of historical incident records to identify one or more underlying causes

Explanation:
http://www.greycampus.com/opencampus/itil-foundation/problem-management