Which statement about hierarchal campus design is true?

The correct answer is A. The core layer is always recommended. C. The core layer is recommended when you have three or more distribution blocks. The core layer is always a valid and recommended option in campus design (A) because it provides a high-speed, low-latency backbone between distribution blocks. More specifically, the core layer is recommended - and becomes operationally justified - when there are three or more…

Advanced Enterprise Campus Networks

Question

Options

AThe core layer is always recommended.
BCollapsed core/distribution is the most recommended design model.
CThe core layer is recommended when you have three or more distribution blocks.
DThe core layer is recommended when you have five or more distribution blocks.

How the community answered

(16 responses)

A
94% (15)
B
6% (1)

Explanation

The core layer is always a valid and recommended option in campus design (A) because it provides a high-speed, low-latency backbone between distribution blocks. More specifically, the core layer is recommended - and becomes operationally justified - when there are three or more distribution blocks (C). With fewer than three distribution blocks, a collapsed core/distribution design is typically sufficient and avoids the extra cost of dedicated core hardware. Option B is incorrect because collapsed core is not universally 'most recommended' - the right model depends on scale. Option D is wrong; the threshold is three or more distribution blocks, not five.

Topics

#core layer#collapsed core#distribution blocks#hierarchical design

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