Which of these best describes the actions you would take during the staging plan development service component within th

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Which of these best describes the actions you would take during the staging plan development service component within the design phase?

A. Provide a step-by-step plan detailing the installation and service-commission requirement tasks to be executed in a controlled implementation environment that emulates a customer network.
B. Develop and execute proof-of-concept tests, validate the infrastructure high-level design, and identify any design enhancements.
C. Help improve the infrastructure security system of the customer.
D. Assess the ability of the site facilities to accommodate the proposed infrastructure.
E. Help improve the performance and functionality of the infrastructure operations and network management system.