The Change Management Service component in the operate phase which possible benefit?

A.
Contributes to reducing operating costs by providing a consistent framework for making necessary changes in an efficient and accountable manner

B.
Ensures the Accuracy, Completeness and timeliness of information on the network

C.
Notifies interested parties of problems identified and escalates per customer requirements

D.
Promotes productivity and efficiency in operations processes by enhancing control over the configuration or network devices and providing access to vital configuration data

E.
Improves system service quality and reduces disruptions