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單項選擇題

Which of these recommendations is most appropriate for the core layer in the Cisco Campus Architecture?()

A. Utilize Layer 3 switching
B. Utilize software accelerated services
C. Aggregate end users and support a feature-rich environment
D. Perform packet manipulation and filtering at the core layer
E. Use redundant point to-point Layer 2 interconnections when where is a link or node failure.

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