200-301 · Question #304
200-301 Question #304: Real Exam Question with Answer & Explanation
The correct answer is C: dual-homed branches. Dual-homed branches enhance reliability by providing redundant connections, while dynamic routing improves scalability and resilience by automatically adapting to network changes and failures.
Question
Which two WAN architecture options help a business scalability and reliability for the network? (Choose two)
Options
- Aasychronous routing
- Bsingle-homed branches
- Cdual-homed branches
- Dstatic routing
- Edynamic routing
Explanation
Dual-homed branches enhance reliability by providing redundant connections, while dynamic routing improves scalability and resilience by automatically adapting to network changes and failures.
Common mistakes.
- A. Asynchronous routing is a routing anomaly where traffic takes different paths in each direction and does not inherently contribute to network scalability or reliability.
- B. Single-homed branches have only one connection to the WAN, creating a single point of failure that severely reduces reliability and limits scalability.
- D. Static routing requires manual configuration for every route and does not adapt to network changes or failures, making it poorly suited for large, scalable, or highly reliable WAN environments.
Concept tested. WAN architecture for scalability and reliability
Reference. https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Campus/campover.html
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