How would you describe Cisco Storage Networking Proof of Concept Service to a customer?

A.
Helps improve the performance of your storage networking solution through design support, performance analysis and recommendations and ongoing knowledge-transfer sessions

B.
Helps to ensure that your network is ready to support a storage networking solution by assessing the security resiliency, operation and readiness of the network infrastructure

C.
Pre-tests different configurations and validates design options before the deployment is done or the design is completed

D.
Helps by creating a framework for SAN management implementation