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350-401 Practice Question: Which three statements about Cisco SD-WAN…
Which three statements about Cisco SD-WAN architecture components and their roles are true? (Choose three.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
vManage provides a centralized dashboard for configuration, monitoring, and troubleshooting of the entire SD-WAN fabric.
The vManage is the management plane for centralized configuration and monitoring. vSmart is the control plane for route and policy distribution. vBond orchestrates initial authentication and NAT traversal. vEdge routers are data plane devices that forward traffic. vSmart does not handle NAT traversal; that is vBond's role. vManage does not distribute routes; that is vSmart's role.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
vManage provides a centralized dashboard for configuration, monitoring, and troubleshooting of the entire SD-WAN fabric.
Why this is correct
Correct because vManage is the management plane that offers a GUI and API for network administrators to manage all devices.
- ✓
vSmart controllers are responsible for distributing routing information and policies to all WAN Edge routers in the overlay.
Why this is correct
Correct because vSmart is the control plane that uses OMP to disseminate routes and centralized policies.
- ✓
vBond orchestrators authenticate WAN Edge routers and assist in NAT traversal for establishing tunnels.
Why this is correct
Correct because vBond performs initial authentication and provides the public IP/port information needed for NAT traversal.
- ✗
vSmart controllers are responsible for NAT traversal and public IP discovery for WAN Edge routers behind NAT.
Why it's wrong here
Incorrect because NAT traversal and public IP discovery are functions of the vBond orchestrator, not vSmart.
- ✗
vManage distributes OMP routes to vEdge routers to populate the overlay routing table.
Why it's wrong here
Incorrect because vManage does not distribute routes; route distribution is performed by vSmart controllers via OMP.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-401 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-401 exam.