AWS Certified Advanced Networking - Specialty
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A company utilizes transit gateways to facilitate traffic routing between its VPCs. Each transit gateway is configured with a single route table, which includes attachments and routes for VPCs within the same AWS Region. The VPC route tables also contain routes to all other VPC CIDR ranges accessible through the transit gateways, with some VPCs routing traffic through local NAT gateways.
The company anticipates adding numerous new VPCs and requires a solution to efficiently update the route tables in each VPC with the new VPC CIDR ranges.
What is the most operationally efficient solution to meet these requirements?