AWS Certified Advanced Networking - Specialty
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A company operates a highly available application across multiple VPCs within a single AWS Region and two on-premises data centers. All VPCs need to communicate with each other and with the on-premises data centers to transfer large files, each several gigabytes in size. A network engineer is tasked with designing an AWS Direct Connect solution to connect the on-premises data centers to each VPC.
Which architecture will fulfill the company's requirements while minimizing operational overhead?
A company operates a highly available application across multiple VPCs within a single AWS Region and two on-premises data centers. All VPCs need to communicate with each other and with the on-premises data centers to transfer large files, each several gigabytes in size. A network engineer is tasked with designing an AWS Direct Connect solution to connect the on-premises data centers to each VPC.
Which architecture will fulfill the company's requirements while minimizing operational overhead?
Explanation:
The question revolves around designing an AWS Direct Connect solution that connects on-premises data centers to multiple VPCs within the same AWS Region, ensuring high availability and minimal operational overhead. The key requirements include the need for all VPCs to access each other and the on-premises data centers for transferring large files, and the solution must have the least operational overhead. Option C and D both propose using a transit gateway, which simplifies the network architecture by centralizing the connectivity between VPCs and on-premises networks. However, the difference lies in the MTU size configuration. Option C suggests an MTU of 9001, which is optimal for jumbo frames and can significantly improve performance for large file transfers, making it the better choice for the company's requirements. Therefore, the correct answer is C, as it meets the company's requirements with the least operational overhead and optimal performance for large file transfers.