300-415 Question #166: Real Exam Question with Answer & Explanation

The correct answer is D: control. The control plane in Cisco SD-WAN is responsible for building and maintaining the network topology and making decisions on traffic flows.

Architecture

Question

Which plane builds and maintains the network topology and makes decisions on traffic flows?

Options

Adata
Borchestration
Cmanagement
Dcontrol

Explanation

The control plane in Cisco SD-WAN is responsible for building and maintaining the network topology and making decisions on traffic flows.

Common mistakes.

A. The data plane is responsible for forwarding user traffic according to the instructions received from the control plane, not for building the topology or making flow decisions.
B. The orchestration plane handles the initial onboarding and authentication of SD-WAN devices, allowing them to connect to the network, but does not build the topology or make traffic flow decisions.
C. The management plane provides a centralized interface for configuring, monitoring, and troubleshooting the entire SD-WAN network, but it does not directly manage the topology or traffic flow decisions.

Concept tested. SD-WAN planes and their functions

Reference. https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/sdwan-overlay-network-components-and-functions.html

Topics

#SD-WAN planes#control plane#network architecture#traffic flow decisions

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