Refer to the exhibit.

Which recommended practice is applicable?

A.
If no core layer is deployed, the design will be easier to scale

B.
A dedicated campus core layer should be deployed for connecting three or more buildings

C.
If no core layer is deployed, the distribution switches should not be fully meshed

D.
A dedicated campus core layer is not needed for connecting fewer than five buildings

Explanation:

A dedicated campus core layer should be deployed for connecting 3 or more buildings.

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Cisco 642-874 Exam