Refer to the exhibit. Which recommended practice is applicable?

The correct answer is B. A dedicated campus core layer should be deployed for connecting three or more buildings. Cisco campus design best practice recommends deploying a dedicated core layer when connecting three or more buildings (or distribution blocks). Without a core, each distribution switch would need a full mesh of links to every other distribution switch, which does not scale as…

Advanced Enterprise Campus Networks

Question

Exhibits

Options

AIf no core layer is deployed, the design will be easier to scale.
BA dedicated campus core layer should be deployed for connecting three or more buildings.
CIf no core layer is deployed, the distribution switches should not be fully meshed.
DA dedicated campus core layer is not needed for connecting fewer than five buildings.

How the community answered

(16 responses)

A
6% (1)
B
88% (14)
C
6% (1)

Explanation

Cisco campus design best practice recommends deploying a dedicated core layer when connecting three or more buildings (or distribution blocks). Without a core, each distribution switch would need a full mesh of links to every other distribution switch, which does not scale as the number of buildings grows. Choice A is wrong-removing the core actually makes the design harder to scale, not easier. Choice C is wrong-if no core is deployed, the distribution switches SHOULD be fully meshed to maintain any-to-any connectivity, making it impractical at scale. Choice D is wrong-the recommended threshold is three or more buildings (not five), reinforcing Choice B as the correct best practice.

Topics

#campus core layer#hierarchical design#network scaling#building connectivity

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