单选题Which of these recommendations is most appropriate for the Cisco Campus Architecture?（）AUtilize Layer 3 switching.BUtilize software accelerated services.CAggregate end users and support a feature-rich environment.DPerform packet manipulation and filtering at the core layer.EUse redundant point-to-point Layer 2 interconnections when there is a link or node failure.
单选题
Which of these recommendations is most appropriate for 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 there is a link or node failure.
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