Which of the following is MOST important for an IS auditor to understand when reviewing this decision?

An organization’s enterprise architecture (EA) department decides to change a legacy system’s components while maintaining its original functionality .

Which of the following is MOST important for an IS auditor to understand when reviewing this decision?
A . The current business capabilities delivered by the legacy system
B. The proposed network topology to be used by the redesigned system
C. The data flows between the components to be used by the redesigned system
D. The database entity relationships within the legacy system

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Answer: A