300-415 Question #236: Real Exam Question with Answer & Explanation

The correct answer is B: vManage, vBond, vSmart, WAN Edge. The recommended order for upgrading Cisco SD-WAN nodes is vManage first, followed by vBond, then vSmart, and finally the WAN Edge devices.

Management and Operations

Question

What is the order of operations for software upgrades of Cisco SD-WAN nodes?

Options

AvBond, vManage, vSmart, WAN Edge
BvManage, vBond, vSmart, WAN Edge
CvManage, vBond, WAN Edge, vSmart
DvManage, vSmart, vBond, WAN Edge

Explanation

The recommended order for upgrading Cisco SD-WAN nodes is vManage first, followed by vBond, then vSmart, and finally the WAN Edge devices.

Common mistakes.

A. Upgrading vBond before vManage is incorrect as vManage is the central management platform that orchestrates upgrades across the entire fabric.
C. Upgrading WAN Edge devices before vSmart controllers is incorrect because vSmart controllers provide central policy and routing to the WAN Edges, and compatibility must be maintained.
D. Upgrading vSmart before vBond is incorrect; vBond should be compatible with the vManage version before vSmart in the recommended upgrade path.

Concept tested. SD-WAN software upgrade sequence

Reference. https://www.cisco.com/c/en/us/td/docs/routers/sdwan/command/sdwan-monitor-command-ref/m_upgrading_software.html

Topics

#SD-WAN upgrade process#Controller upgrade order#Node upgrade sequence

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