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400-007 · Question #142
400-007 Question #142: Real Exam Question with Answer & Explanation
The correct answer is A: bottom-up approach. The two standard methodologies for network analysis and design are the top-down approach (starting from business and application requirements) and the bottom-up approach (starting from existing physical infrastructure).
Question
What are two common approaches to analyzing and designing networks? (Choose two.)
Options
- Abottom-up approach
- Bhigh-low security approach
- Ctop-down approach
- Dleft-right approach
- Ethree-tier approach
Explanation
The two standard methodologies for network analysis and design are the top-down approach (starting from business and application requirements) and the bottom-up approach (starting from existing physical infrastructure).
Common mistakes.
- B. High-low security approach describes a data classification or security clearance model, not a recognized network analysis and design methodology.
- D. Left-right approach is not a recognized methodology in any standard networking design curriculum or framework.
- E. Three-tier approach describes a hierarchical network architecture model (core, distribution, access layers), not an analysis or design methodology.
Concept tested. Top-down and bottom-up network design methodologies
Reference. https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Campus/campover.html
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