After implementing a design what is the goal of the next step in the PPDIOO model?

A.
Improve operational performance, extend services, and reassess network value, as part
of the operate phase

B.
Develop a detailed design for the network and its existing infrastructure, at part of
operate phase

C.
Monitor the health and vital signs of a network to improve service quality, as part of ‘the
operate phase.

D.
Review the company business goals and network infrastructure in an effort to find areas
of improvement, as part of the operate phase.