300-620 · Question #70
What are two benefits of the Clos architecture? (Choose two.)
The correct answer is A. improved fabric scalability C. multiple nonblocking ECMP paths from all leafs. The Clos architecture offers improved fabric scalability and provides multiple nonblocking Equal-Cost Multi-Path (ECMP) paths from all leaf switches. These benefits contribute to a high-performance and resilient network.
Question
What are two benefits of the Clos architecture? (Choose two.)
Options
- Aimproved fabric scalability
- Bcomplicated network design and implementation
- Cmultiple nonblocking ECMP paths from all leafs
- Dlimited fabric scalability
How the community answered
(28 responses)- A93% (26)
- B4% (1)
- D4% (1)
Why each option
The Clos architecture offers improved fabric scalability and provides multiple nonblocking Equal-Cost Multi-Path (ECMP) paths from all leaf switches. These benefits contribute to a high-performance and resilient network.
The Clos architecture, as implemented in ACI's leaf-spine design, inherently supports improved fabric scalability. New leaf or spine switches can be added to the fabric to increase capacity and port density without requiring a complete redesign or significant disruption to existing operations.
The Clos architecture is known for its simplified and modular design principles, making network design and implementation less complicated compared to traditional hierarchical networks.
A key benefit of the Clos architecture is the provision of multiple nonblocking Equal-Cost Multi-Path (ECMP) paths from all leaf switches to other leafs or external networks. This ensures efficient traffic distribution, higher aggregate bandwidth, and resilience against link failures.
Contrary to this statement, a primary advantage of the Clos architecture is its ability to provide high fabric scalability, allowing networks to grow efficiently as demand increases.
Concept tested: Clos architecture benefits ACI
Source: https://www.cisco.com/c/en/us/products/collateral/switches/nexus-9000-series-switches/white-paper-c11-739958.html
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