Which is the de facto standard of best practices for IT service management?

The _________________ is the de facto standard of best practices for IT service management. IT was created because of the increased dependence on information technology to meet business needs.

A.
Information Technology Infrastructure Library (ITIL)

B.
CobiT

C.
COSO

D.
NIST SP 53

Explanation:
The Information Technology Infrastructure Library (ITIL) is the de
facto standard of best practices for IT service management. ITIL was created because
of the increased dependence on information technology to meet business needs.