At which stage of the Cisco Lifecycle Services approach should customer education presentations occur?

A.
Planning

B.
Implementation

C.
Operation

D.
Design

E.
Optimization

Explanation:
According to http://ciscoccvp.files.wordpress.com/2009/02/cisco-lifecycle-services-notes.pdf in prepare phase, hence the sooner, the better. http://www.cisco.com/warp/public/437/services/lifecycle/LifecycleServicesWhitePaper.pdf