AWS Certified Advanced Networking - Specialty
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A company operates applications in two VPCs located in different AWS Regions: one in us-east-1 and the other in us-west-1. They need to establish connectivity between these VPCs and also connect both VPCs to applications hosted in an on-premises data center. The current traffic between the VPCs is 50 TB per month, with an expected increase in the future, while the traffic between the VPCs and the on-premises data center is 10 TB per month, with no expected growth. What is the MOST cost-effective solution to meet these requirements?
A
Create a transit gateway in each Region. Create VPN connections from the transit gateways to the on-premises firewall. Create a peering connection between the transit gateways.
B
Create a virtual private gateway in each Region. Create VPN connections from the on-premises firewall to the virtual private gateways. Configure the on-premises firewall to route the traffic between the two VPCs.
C
Create a virtual private gateway in each Region. Create VPN connections from the on-premises firewall to the virtual private gateways. Create a VPC peering connection between the two VPCs.
D
Create a virtual private gateway in each Region. Create VPN connections from the on-premises firewall to the virtual private gateways. Create a VPN connection between the virtual private gateways.