Cisco
300-415 · Question #416
300-415 Question #416: Real Exam Question with Answer & Explanation
The correct answer is A: WAN Edge device. In a Cisco Catalyst SD-WAN Cloud OnRamp environment, the WAN Edge device is responsible for calculating Quality of Experience (QoE).
Security and Quality of Service
Question
Which component calculates Quality of Experience in a Cloud OnRamp environment?
Options
- AWAN Edge device
- BSD-WAN Validator
- CSD-WAN Controller
- DSD-WAN Manager
Explanation
In a Cisco Catalyst SD-WAN Cloud OnRamp environment, the WAN Edge device is responsible for calculating Quality of Experience (QoE).
Common mistakes.
- B. The SD-WAN Validator (vBond) primarily handles initial authentication and orchestration, not QoE calculation.
- C. The SD-WAN Controller (vSmart) is responsible for central routing and policy enforcement, but does not directly calculate QoE metrics from data plane traffic.
- D. The SD-WAN Manager (vManage) collects, aggregates, and reports QoE data, but the actual calculation is performed by the WAN Edge devices.
Concept tested. Cisco SD-WAN Quality of Experience (QoE) calculation
Reference. https://www.cisco.com/c/en/us/products/collateral/software/sd-wan/white-paper-c11-741913.html
Topics
#Quality of Experience (QoE)#WAN Edge#SD-WAN Monitoring#Cloud OnRamp
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