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Question 131

A marketing company is using hybrid infrastructure through AWS Direct Connect links and a software-defined wide area network (SD-WAN) overlay to connect its branch offices. The company connects multiple VPCs to a third-party SD-WAN appliance transit VPC within the same account by using AWS Site-to-Site VPNs.

The company is planning to connect more VPCs to the SD-WAN appliance transit VPC. However, the company faces challenges of scalability, route table limitations, and higher costs with the existing architecture. A network engineer must design a solution to resolve these issues and remove dependencies.

Which solution will meet these requirements with the LEAST amount of operational overhead?

    Correct Answer: B

    The best solution to address scalability, route table limitations, and higher costs while reducing operational overhead is to configure a transit gateway to attach the VPCs and configure a transit gateway Connect attachment for the third-party SD-WAN appliance transit VPC. This solution leverages transit gateway Connect, which provides native integration of SD-WAN virtual hubs with AWS Transit Gateway. It eliminates the need for multiple individual VPN connections, simplifies the overall network architecture, and offers a scalable and cost-effective method to connect VPCs efficiently.

Discussion
BalasmaniamOption: B

https://docs.aws.amazon.com/whitepapers/latest/aws-vpc-connectivity-options/aws-transit-gateway-sd-wan.html

vikasj1inOption: B

the use of AWS Transit Gateway with Transit Gateway Connect is a scalable and cost-effective solution to address the challenges of scalability, route table limitations, and higher costs associated with the existing architecture.

Akshay0403

With the launch of AWS Transit Gateway Connect, there is now a native way to connect your SD-WAN infrastructure with AWS. This makes it easy to extend your SD-WAN into AWS without having to set up IPsec VPNs between SD-WAN network virtual appliances and Transit Gateway.

AradOption: B

B is the right answer.

rarunachOption: B

Transit gateway connect is the preferred method for SD-WAN.