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Answer: Create a transit gateway, and attach the VPCs. Create a Direct Connect gateway, and associate it with the transit gateway. Create a transit VIF to the Direct Connect gateway.
The most scalable way to add VPCs with on-premises connectivity, given the scenario where the company is about to surpass the limit of VPCs and private VIFs for each Direct Connect connection, is to use a combination of AWS Transit Gateway and Direct Connect Gateway. This approach allows for centralized management of connectivity between VPCs and on-premises networks, without the need for multiple Direct Connect connections or private VIFs. By creating a Transit Gateway and attaching the VPCs to it, you can manage all VPC connections through a single gateway. Then, by creating a Direct Connect Gateway and associating it with the Transit Gateway, you can establish a single connection to your on-premises network via a transit VIF. This setup not only simplifies the network architecture but also scales more efficiently as the number of VPCs grows. Therefore, the correct answer is to create a transit gateway, attach the VPCs, create a Direct Connect gateway, associate it with the transit gateway, and create a transit VIF to the Direct Connect gateway.
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What is the MOST scalable solution for adding VPCs with on-premises connectivity when a company using AWS Direct Connect with multiple private VIFs and virtual LANs per VPC is nearing the limit of VPCs and private VIFs per connection?
A
Provision a new Direct Connect connection to handle the additional VPCs. Use the new connection to connect additional VPCs.
B
Create virtual private gateways for each VPC that is over the service quota. Use AWS Site-to-Site VPN to connect the virtual private gateways to the corporate network.
C
Create a Direct Connect gateway, and add virtual private gateway associations to the VPCs. Configure a private VIF to connect to the corporate network.
D
Create a transit gateway, and attach the VPCs. Create a Direct Connect gateway, and associate it with the transit gateway. Create a transit VIF to the Direct Connect gateway.
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