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Question 413 - ANS-C00 discussion
A manufacturing company has a hybrid environment that includes an AWS Direct Connect gateway that is associated with an AWS Transit Gateway The company wants to extend a third-party application that is hosted in its on-premises data center into one of its VPCs.
The application vendor has stated that It must use an overlay IP address to meet the company's requirement for high availability. The DHCP administrator has assigned a non-overlapping RFC1918 private address for use as the overlay IP address The security team requires connectivity to remain private.
Which solution meets these requirements with the LEAST management overhead''
A.
Create a layer 2 VPN across a public VIF by using a software-based VPN on a pair of Amazon EC2 instances Use BGP to advertise the routes over the VPN
B.
Create a transit VIF with automatically propagated routes in the transit gateway route table Create a new subnet in the VPC for the overlay IP address, and propagate the route to the VPC route table.Update the route tables on premises as needed.
C.
Create an external Network Load Balancer by using Amazon Route 53 to create records that point to the target application's overlay IP address. Create static entries in the VPC route table.
D.
Create a transit VIF Then create static routes in the transit gateway route table to point to the VPC that contains the overlay IP address Create static routes in the VPC route table that point to the transit gateway Update the route tableson premises as needed.
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