300-415 Question #273: Real Exam Question with Answer & Explanation

The correct answer is C: vSmart. The vBond orchestrator is responsible for authenticating and authorizing all SD-WAN components (controllers and WAN Edge devices) before they can join the overlay network, ensuring only valid nodes participate.

Architecture

Question

Which component of the Cisco SD-WAN network assures that only valid customer nodes are participating in the overlay network?

Options

AvBond
BvManage
CvSmart
DWAN Edge

Explanation

The vBond orchestrator is responsible for authenticating and authorizing all SD-WAN components (controllers and WAN Edge devices) before they can join the overlay network, ensuring only valid nodes participate.

Common mistakes.

B. vManage is the centralized network management system and does not primarily handle the initial authentication and authorization of devices joining the network.
C. vSmart is the centralized control plane that establishes routing and policy, but vBond handles the initial onboarding and trust establishment.
D. A WAN Edge device is a client to the SD-WAN fabric and needs to be authenticated; it does not perform authentication of other components joining the network.

Concept tested. vBond orchestrator's role in device authentication

Reference. https://www.cisco.com/c/en/us/td/docs/sdwan/sd-wan-release-20-x/architecture/sdwan-architecture-book/sdwan-components.html

Topics

#vSmart Controller#SD-WAN Architecture#Control Plane#Node Validation

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