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

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.

Explanation: