For which two reasons is it valuable for a Cisco Business Architect to know and understand enterprise architecture pract

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For which two reasons is it valuable for a Cisco Business Architect to know and understand enterprise architecture practices? (Choose two.)

A. to convince the business to confirm to those practices that enable the most successful businesses in their industry to be successful
B. to minimize costs to the business
C. to show the business how they can improve their internal processes
D. to speak the language understood by the business
E. to understand the business maturity