Topic 1 Question 149
A company has three VPCs in a single AWS Region. Each VPC contains 15 Amazon EC2 instances, and no connectivity exists between the VPCs.
The company is deploying a new application across all three VPCs. The application requires high bandwidth between the nodes. A network engineer must implement connectivity between the VPCs.
Which solution will meet these requirements with the HIGHEST throughput?
Configure a transit gateway. Attach each VPC to the transit gateway. Configure static routing in each VPC to route traffic to the transit gateway.
Configure VPC peering between the three VPCs. Configure static routing to route traffic between the three VPCs.
Configure a transit VPConfigure a VPN gateway in each VPCreate an AWS Site-to-Site VPN tunnel from each VPC to the transit VPUse BGP routing to route traffic between the VPCs and the transit VPC.
Configure AWS Site-to-Site VPN connections between each VPC. Enable route propagation for each Site-to-Site VPN connection to route traffic between the VPCs.
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- 正解だと思う選択肢: B
VPC peering has no bandwidth limit unlike Transit Gateway (50Gb/s per VPC attachment)
https://d1.awsstatic.com/whitepapers/building-a-scalable-and-secure-multi-vpc-aws-network-infrastructure.pdf "No bandwidth limits — With Transit Gateway, Maximum bandwidth (burst) per Availability Zone per VPC connection is 50 Gbps. VPC peering has no aggregate bandwidth. "
👍 5sambb2023/07/31 - 正解だと思う選択肢: A
Transit gateways are designed for high bandwidth and low-latency communication, making them an ideal choice for scenarios where high throughput between multiple VPCs is required. Each attachment to the transit gateway can support up to 50 Gbps of bandwidth, and multiple VPCs can share the same transit gateway without any direct peering relationship between them.
👍 4Manh2023/07/26 - 正解だと思う選択肢: B
VPC peering is free and also no bandwidth limit compared to 50Gbps limit for a TGW attachment
👍 3VijayKamisetty2023/08/27
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