300-415 Question #100: Real Exam Question with Answer & Explanation

The correct answer is A: Create virtual WAN Edge devices Cloud through the AWS online software store. Cisco SD-WAN extends to AWS by deploying virtual WAN Edge router instances (such as Catalyst 8000V) from the AWS Marketplace, integrating cloud workloads into the SD-WAN overlay fabric.

WAN Edge Router Deployment

Question

A large retail organization decided to move some of the branch applications to the AWS cloud. How does the network architect extend the in-house Cisco SD-WAN branch to cloud network into AWS?

Options

ACreate virtual WAN Edge devices Cloud through the AWS online software store
BCreate virtual instances of vSmart Cloud through the AWS online software store
CCreate GRE tunnels to AWS from each branch over the Internet
DInstall the AWS Cloud Router in the main data center and provide the connectivity from each branch

Explanation

Cisco SD-WAN extends to AWS by deploying virtual WAN Edge router instances (such as Catalyst 8000V) from the AWS Marketplace, integrating cloud workloads into the SD-WAN overlay fabric.

Common mistakes.

B. vSmart is the centralized control plane controller - deploying virtual vSmart instances in AWS does not extend branch connectivity to cloud-hosted applications.
C. GRE tunnels to AWS would bypass the SD-WAN fabric entirely, losing all SD-WAN policy, visibility, application-aware routing, and encryption management capabilities.
D. There is no Cisco 'AWS Cloud Router' product intended for data center installation - this is not a valid Cisco SD-WAN cloud extension mechanism.

Concept tested. Cisco SD-WAN cloud extension to AWS using virtual WAN Edge

Reference. https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/cloudonramp/ios-xe-17/cloud-onramp-book-xe/cloud-onramp-iaas.html

Topics

#SD-WAN Cloud Integration#Virtual WAN Edge#AWS Connectivity#Branch-to-Cloud

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