Which three business requirements development activities are performed in the prepare phase before creating a technology

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Which three business requirements development activities are performed in the prepare phase before creating a technology strategy? (Choose three.)

A. identifying and assessing customer business requirements
B. documenting and categorizing customer business requirements in terms of performance,availability, capacity and security.
C. producing a documented technology strategy
D. creating a bill of materials
E. presenting documented business requirements to a Customer and having the customer validate them
F. completing a site survey