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Answer: Create a new Direct Connect gateway. Enable the Direct Connect SiteLink feature on the transit VIF. Share the CIDR blocks from the first data center and the second data center with each other.
The question revolves around improving the reliability of the connection between two on-premises data centers using AWS Direct Connect. The key requirement is to enhance the connection's reliability, especially given the disruptions in the private connectivity provided by the telecommunications provider. The Direct Connect SiteLink feature is designed to allow Direct Connect connections to communicate with each other directly, bypassing the need for a VPC or the internet, which can significantly improve reliability and reduce latency. Option A suggests creating a new Direct Connect gateway and enabling the Direct Connect SiteLink feature on the transit VIF, which would allow the two data centers to share their CIDR blocks directly. This approach leverages AWS's infrastructure to create a more reliable and direct connection between the data centers, making it the most suitable solution. Options B, C, and D either do not directly address the need for improved reliability between the data centers or suggest enabling SiteLink on connections or VIFs that are not optimally configured for this specific requirement.
Author: LeetQuiz Editorial Team
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A company operates two on-premises data centers: one in the us-east-1 Region and the other in the us-east-2 Region. Each data center connects to the nearest AWS Direct Connect facility. The company utilizes Direct Connect connections, transit VIFs, and a single Direct Connect gateway to enable connectivity to VPCs in us-east-1 and us-east-2 from their data centers. Additionally, the company has a private connection provided by a telecommunications provider linking the two data centers.
Due to frequent disruptions in the private connectivity between the data centers, the company seeks a solution to enhance the reliability of this connection.
Which solution will address these requirements?
A
Create a new Direct Connect gateway. Enable the Direct Connect SiteLink feature on the transit VIF. Share the CIDR blocks from the first data center and the second data center with each other.
B
Create a new public VIF to both Regions. Enable the Direct Connect SiteLink feature on the new public VIF.
C
Enable the Direct Connect SiteLink feature on the existing Direct Connect connections.
D
Enable the Direct Connect SiteLink feature on the existing transit VIFS that are attached to the existing Direct Connect gateway.
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