350-401 Question #418: Real Exam Question with Answer & Explanation

Question

Which function is handled by vManage in the Cisco SD-WAN fabric?

Options

• AEstablishes BFD sessions to test liveliness of links and nodes
• BDistributes policies that govern data forwarding
• CPerforms remote software upgrades for WAN Edge. vSmart and vBond
• DEstablishes IPsec tunnels with nodes.

Explanation

Cisco SD-WAN vManage Explanation

vManage is the centralized management and orchestration plane of the Cisco SD-WAN fabric, responsible for configuration, monitoring, and lifecycle management of all SD-WAN components - this includes performing remote software upgrades for WAN Edge routers, vSmart controllers, and vBond orchestrators, making Option C correct.

Why the distractors are wrong:

• Option A (BFD sessions) is handled by WAN Edge routers, which use BFD to continuously monitor link and tunnel health between data plane nodes.
• Option B (distributing forwarding policies) is the role of vSmart, which acts as the control plane and pushes policies and routing information to WAN Edge devices via OMP.
• Option D (establishing IPsec tunnels) is performed by WAN Edge routers as part of the data plane, not by vManage.

💡 Memory Tip: Think of vManage as the "Manager" - just like a real manager, it handles administrative tasks (configurations, upgrades, monitoring) but doesn't get involved in the hands-on network operations like tunnels or sessions. If the task sounds like network traffic or control, it belongs to vSmart or WAN Edge.

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