Which definition best describes the staff training service component within the implement phase?

A.
developing and implementing a training plan using classes, workshops, or e-learning courses.

B.
Reducing the risk of downtime due to facilities-related problems

C.
Improving the network management system and the performance and functionality of infrastructure operations

D.
Providing a step-by-step plan that details the installation and service-commission tasks required in order to create a controlled-implementation environment that emulates a customer network

E.
Compiling a training manual for use in ongoing operations