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

A.
develops a training plan and delivers via a custom workshop or e-learning

B.
helps improve the performance and functionality of the infrastructure operations and network
management system

C.
reduces the risk of downtime caused by facilities-related problems

D.
provides a step-by-step plan detailing the installation and service-commission requirement tasks to be
staged in a controlled implementation environment that emulates a customer network