多项选择题Whichthreebusinessrequirementsdevelopmentactivitiesareperformedinthepreparephasebeforecreatingatechnologystrategy?()
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