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Amazon ANS-C01 Exam - Topic 4 Question 65 Discussion

A company has a highly available application that is hosted in multiple VPCs and in two on-premises data centers. All the VPCs reside in the same AWS Region. All the VPCs require access to each other and to the on-premises data centers for the transfer of files that are multiple gigabytes in size.A network engineer is designing an AWS Direct Connect solution to connect the on-premises data centers to each VPC.Which architecture will meet the company's requirements with the LEAST operational overhead?
D) Configure a transit gateway in the same Region of each VPC. Attach each VPC to the transit gateway. Configure a Direct Connect gateway. Associate the Direct Connect gateway with the transit gateway. Associate a new transit VIF with each Direct Connect connection. Configure the new transit VIF to exchange BGP routes and to have an MTU of 8500. Configure route propagation between each VPC and the transit gateway.
A) Configure a virtual private gateway and a private VIF in each VPC in the Region. Configure a Direct Connect gateway. Associate the VIF of every VPC with the Direct Connect gateway. Create a new private VIF that connects the Direct Connect gateway to each on-premises data center. Configure the new private VIF to exchange BGP routes with the on-premises data centers and to have an MTU of 9001. Use VPC peering between each VPC. Configure static routing in each VPC to provide inter-VPC routing.
B) Configure a virtual private gateway and a private VIF in each VPC in the Region. Configure a Direct Connect gateway. Associate the VIF of every VPC with the Direct Connect gateway. Create a new private VIF that connects the Direct Connect gateway to each on-premises data center. Configure the new private VIF to exchange BGP routes with the on-premises data centers and to have an MTU of 8500. Use VPC peering between each VPC. Configure static routing in each VPC to provide inter-VPC routing.
C) Configure a transit gateway in the same Region of each VPC. Attach each VPC to the transit gateway. Configure a Direct Connect gateway. Associate the Direct Connect gateway with the transit gateway. Associate a new transit VIF with each Direct Connect connection. Configure the new transit VIF to exchange BGP routes and to have an MTU of 9001. Configure route propagation between each VPC and the transit gateway.

Amazon ANS-C01 Exam - Topic 4 Question 65 Discussion

Actual exam question for Amazon's ANS-C01 exam
Question #: 65
Topic #: 4
[All ANS-C01 Questions]

A company has a highly available application that is hosted in multiple VPCs and in two on-premises data centers. All the VPCs reside in the same AWS Region. All the VPCs require access to each other and to the on-premises data centers for the transfer of files that are multiple gigabytes in size.

A network engineer is designing an AWS Direct Connect solution to connect the on-premises data centers to each VPC.

Which architecture will meet the company's requirements with the LEAST operational overhead?

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Suggested Answer: D

by Viola at May 15, 2026, 06:51 PM

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Allene
1 day ago
I think option C is the best. Transit gateways simplify management.
upvoted 0 times
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Annabelle
7 days ago
I’m surprised they didn’t mention security considerations here!
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Brunilda
12 days ago
I think option A is better for static routing needs.
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Michal
17 days ago
Wait, why is the MTU different between options? That’s confusing.
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Halina
22 days ago
I agree, transit gateways simplify things a lot!
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Micheal
27 days ago
Option C seems like the best choice for low overhead.
upvoted 0 times
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Jani
1 month ago
I’m surprised they didn’t mention security considerations here!
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Clorinda
1 month ago
I think option A is better for static routing needs.
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Cordelia
1 month ago
Wait, why is the MTU different between options? That’s confusing.
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Stacey
2 months ago
I agree, transit gateways simplify things a lot!
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Lynette
2 months ago
Option C seems like the best choice for low overhead.
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Felton
2 months ago
I lean towards option C because it seems to have less operational overhead with route propagation, but I’m not entirely confident.
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Gwenn
2 months ago
I practiced a similar question, and I feel like the MTU settings could be a trick. I can't recall if 9001 is always better than 8500.
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Malissa
2 months ago
I think using a transit gateway might be the best option here since it simplifies routing between multiple VPCs.
upvoted 0 times
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Caren
4 months ago
I remember studying Direct Connect options, but I'm not sure if the MTU size really affects performance in this case.
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