Which benefit can be obtained by using the CHANGE management service component in the operate phase？ Select exactly 1 answer（s） from the following：（）。

• A、reduced operating costs， due to a consistent framework for making necessary changes in an efficient and accountable manner
• B、greater accuracy， completeness， and timeliness of network configuration information
• C、notification provided to interested parties regarding problems that have been identified， and a system that scales with customer requirements
• D、improved system service quality and fewer disruptions