Which of these is an accurate list of Cisco Lifecycle Services phases?

A.
presales, project planning, development, implementation, operations testing, and operations sign-off

B.
project planning, site assessment, risk assessment, solution selection and acquisition, testing, and operations

C.
analysis, design, deployment, testing, implementation, and production

D.
prepare, plan, design, implement, operate, and optimize

E.
initiation, planning, analysis, design, development, implementation, operations and maitenance