Which of these is an accurate list of Cisco Lifecycle Services phases？ Select exactly 1 answer（s） from the following：（）。

• A、initiation planning analysis design development implementation operations and maintenance
• B、project planning， site assessment risk assessment solution selection and acquisition， testing， and operations
• C、prepare， plan， design， implement operate， and optimize
• D、analysis， design， deployment testing， implementation， and production
• E、presales， project planning， development implementation， operations testing， and operations sign- off