Which of these best describes the actions you would take during the staging plan development...

help improve the infrastructure security system of the customer

assess the abiliy of he site facilities to accommodate the proposed ifrastructure.

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

develop and execute proof-of-concept tests, validate the infrastructure high-level design, and identify any design anhancements.

provide a step-by-step plan detailing the instalation and service-commision reqiurement task to be executed in a controlled implementaion environment that emulates a customer network.