Which action is the vSmart controller responsible for in an SD-WAN deployment?

Question

Options

• Aonboard vEdge nodes into the SD-WAN fabric
• Bdistribute security information for tunnel establishment between vEdge routers
• Cmanage, maintain, and gather configuration and status for nodes within the SD-WAN fabric
• Dgather telemetry data from vEdge routers

• A
  3% (2)
• B
  88% (52)
• C
  2% (1)
• D
  7% (4)

Explanation

vSmart Controller in SD-WAN

Option B is correct because the vSmart controller is the control plane component responsible for distributing policies and security information - specifically, it uses the OMP (Overlay Management Protocol) to share IPsec keys, crypto material, and routing information that vEdge routers need to establish secure data plane tunnels with one another.

Why the distractors are wrong:

• Option A describes the role of the vBond orchestrator, which authenticates and onboards vEdge routers into the SD-WAN fabric.
• Option C describes the role of the vManage NMS, which is the centralized management system that handles configuration, monitoring, and status reporting for all SD-WAN nodes.
• Option D is also primarily a vManage function, as it collects telemetry, statistics, and event data from vEdge routers for visibility and reporting.

Memory Tip: Think of the three controllers by their names - vBond = Bond (it bonds/onboards new devices), vSmart = Smart (it makes smart routing and security decisions, distributing policy and keys), and vManage = Manage (it manages configurations and telemetry). This helps you quickly assign each function to the right component under exam pressure.

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