Which of the following best describes the purpose of using lifecycle services for deploying an advanced wireless solution？（）

• A、create a more effective sales strategy for partners.
• B、reinforce customer confidence in partners selling products.
• C、provide a consistent， repeatable， and proven method to ensure the network solution that is deployed delivers upon the customer’s goals for reliability and availability.
• D、maximize the number of services required to support advanced technologies.
• E、more clearly define the roles of account managers， systems engineers， and field engineers.