AWS Certified Solutions Architect - Professional
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A company is constructing a hybrid IT environment that integrates servers from both an on-premises data center and the AWS Cloud. They have set up Amazon EC2 instances across three VPCs, each located in distinct AWS Regions. A direct AWS Direct Connect link has been established from the on-premises data center to the AWS Region nearest to it. The company requires that the on-premises servers have access to all EC2 instances across the three VPCs, as well as to AWS public services. What combination of actions will fulfill these connectivity needs at the lowest cost? (Select two options.)
A
Establish a Direct Connect gateway in the AWS Region closest to the data center, attach the existing Direct Connect connection to this gateway, and utilize the gateway to link the VPCs in the other two Regions.
B
Establish additional Direct Connect connections from the on-premises data center to the other two AWS Regions.
C
Set up a private VIF (Virtual Interface) and create an AWS Site-to-Site VPN connection through this private VIF to the VPCs in the other two Regions.
D
Set up a public VIF (Virtual Interface) and create an AWS Site-to-Site VPN connection through this public VIF to the VPCs in the other two Regions.
E
Implement VPC peering to connect the VPCs across different Regions, and then use a private VIF with the existing Direct Connect connection to access these peered VPCs.