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Exam AWS Certified Solutions Architect - Professional topic 1 question 982 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional
Question #: 982
Topic #: 1
[All AWS Certified Solutions Architect - Professional Questions]

A retail company has an on-premises data center in Europe. The company also has a multi-Region AWS presence that includes the eu-west-1 and us-east-1 Regions. The company wants to be able to route network traffic from its on-premises infrastructure into VPCs in either of those Regions. The company also needs to support traffic that is routed directly between VPCs in those Regions. No single points of failure can exist on the network.

The company already has created two 1 Gbps AWS Direct Connect connections from its on-premises data center. Each connection goes into a separate Direct Connect location in Europe for high availability. These two locations are named DX-A and DX-B, respectively. Each Region has a single AWS Transit Gateway that is configured to route all inter-VPC traffic within that Region.

Which solution will meet these requirements?

  • A. Create a private VIF from the DX-A connection into a Direct Connect gateway. Create a private VIF from the DX-B connection into the same Direct Connect gateway for high availability. Associate both the eu-west-1 and us-east-1 transit gateways with the Direct Connect gateway. Peer the transit gateways with each other to support cross-Region routing.
  • B. Create a transit VIF from the DX-A connection into a Direct Connect gateway. Associate the eu-west-1 transit gateway with this Direct Connect gateway. Create a transit VIF from the DX-B connection into a separate Direct Connect gateway. Associate the us-east-1 transit gateway with this separate Direct Connect gateway. Peer the Direct Connect gateways with each other to support high availability and cross-Region routing.
  • C. Create a transit VIF from the DX-A connection into a Direct Connect gateway. Create a transit VIF from the DX-B connection into the same Direct Connect gateway for high availability. Associate both the eu-west-1 and us-east-1 transit gateways with this Direct Connect gateway. Configure the Direct Connect gateway to route traffic between the transit gateways.
  • D. Create a transit VIF from the DX-A connection into a Direct Connect gateway. Create a transit VIF from the DX-B connection into the same Direct Connect gateway for high availability. Associate both the eu-west-1 and us-east-1 transit gateways with this Direct Connect gateway. Peer the transit gateways with each other to support cross-Region routing.
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Suggested Answer: D 🗳️
by due at Dec. 16, 2022, 5:12 a.m.
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due
Highly Voted 2 years, 4 months ago
Selected Answer: D
= 2 transit VIF, to 1 Direct Connect gateway, to 2 transit gateways + Peering transit gateways
upvoted 7 times
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nimbus_00
Most Recent 6 months, 2 weeks ago
Selected Answer: D
Transit VIF vs Private VIF
upvoted 1 times
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Ezes
1 year, 3 months ago
Selected Answer: B
Not D. If the Direct Connect gateway becomes unavailable for any reason (e.g., maintenance, failure), it could impact connectivity for both DX-A and DX-B connections. This might not align with the requirement of having no single points of failure in the network.
upvoted 1 times
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ggrodskiy
1 year, 9 months ago
Correct D
upvoted 1 times
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Jesuisleon
1 year, 11 months ago
Selected Answer: D
B is wrong at this "Peer the Direct Connect gateways with each other", I searched on the internet, there is no mention for peering dx gateways, just peering transit gateways.
upvoted 1 times
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dev112233xx
1 year, 12 months ago
Selected Answer: B
B is correct
upvoted 1 times
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andras
2 years, 1 month ago
Selected Answer: D
https://docs.aws.amazon.com/whitepapers/latest/hybrid-connectivity/aws-dx-dxgw-with-aws-transit-gateway-multi-regions-and-aws-public-peering.html
upvoted 2 times
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coolt2
2 years, 2 months ago
B does not make logic to me because there is nothing like peering Direct Connect Gateways since a direct Connect Gateway is already a Global resource , Best is D, https://docs.aws.amazon.com/directconnect/latest/UserGuide/direct-connect-gateways-intro.html , instead you peer transit gateways
upvoted 1 times
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pengpeng
2 years, 3 months ago
should it be C? https://docs.aws.amazon.com/whitepapers/latest/aws-vpc-connectivity-options/aws-direct-connect-aws-transit-gateway.html
upvoted 3 times
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moonj
2 years, 3 months ago
Selected Answer: D
Should be D: https://read.docs.aviatrix.com/HowTos/tgwconnect.html
upvoted 1 times
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Kende
2 years, 4 months ago
Selected Answer: B
"B" is the one.
upvoted 2 times
Kende
2 years, 3 months ago
"D" is the better one.
upvoted 1 times
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nyunyu
2 years, 4 months ago
Selected Answer: B
correct BB
upvoted 2 times
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