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Exam AWS Certified Solutions Architect - Professional topic 1 question 792 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional
Question #: 792
Topic #: 1
[All AWS Certified Solutions Architect - Professional Questions]

A company with global offices has a single 1 Gbps AWS Direct Connect connection to a single AWS Region. The company's on-premises network uses the connection to communicate with the company's resources in the AWS Cloud. The connection has a single private virtual interface that connects to a single VPC.
A solutions architect must implement a solution that adds a redundant Direct Connect connection in the same Region. The solution also must provide connectivity to other Regions through the same pair of Direct Connect connections as the company expands into other Regions.
Which solution meets these requirements?

  • A. Provision a Direct Connect gateway. Delete the existing private virtual interface from the existing connection. Create the second Direct Connect connection. Create a new private virtual interface on each connection, and connect both private virtual interfaces to the Direct Connect gateway. Connect the Direct Connect gateway to the single VPC.
  • B. Keep the existing private virtual interface. Create the second Direct Connect connection. Create a new private virtual interface on the new connection, and connect the new private virtual interface to the single VPC.
  • C. Keep the existing private virtual interface. Create the second Direct Connect connection. Create a new public virtual interface on the new connection and connect the new public virtual interface to the single VPC.
  • D. Provision a transit gateway. Delete the existing private virtual interface from the existing connection. Create the second Direct Connect connection. Create a new private virtual interface on each connection, and connect both private virtual interfaces to the transit gateway. Associate the transit gateway with the single VPC.
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Suggested Answer: A 🗳️
by GeniusMikeLiu at Jan. 3, 2022, 10:17 a.m.
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shaiker
Highly Voted 2 years, 11 months ago
Selected Answer: A
A Direct Connect gateway is a globally available resource. You can create the Direct Connect gateway in any Region and access it from all other Regions. The following describe scenarios where you can use a Direct Connect gateway. https://docs.aws.amazon.com/directconnect/latest/UserGuide/direct-connect-gateways-intro.html The scenario omits the fact that you will need a vgw (virtual private gateway) in all options. So I am presuming it is safe to assume that it is present and unmentioned
upvoted 16 times
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Smartphone
Highly Voted 2 years, 11 months ago
The correct Answer is A.
upvoted 8 times
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dcdcdc3
Most Recent 2 years, 2 months ago
Selected Answer: A
One more article to support A: https://docs.aws.amazon.com/whitepapers/latest/hybrid-connectivity/aws-dx-dxgw-with-vgw-single-region.html
upvoted 1 times
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asfsdfsdf
2 years, 4 months ago
Selected Answer: A
A - No brainer C - is using public VIFs it will not work B - No Direct connect GW how can traffic be routed to another region? D - Transit GW is a regional service you cant route traffic to another region with it - you need to either provision a new Transit GW on another region and peer it or use DX GW with a transit VIF
upvoted 4 times
Sathish1412
2 years, 3 months ago
Great Ans
upvoted 1 times
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azure_kai
2 years, 8 months ago
Selected Answer: D
https://docs.aws.amazon.com/directconnect/latest/UserGuide/direct-connect-transit-gateways.html
upvoted 2 times
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Firelord
2 years, 11 months ago
I prefer D
upvoted 2 times
shaiker
2 years, 11 months ago
D is out you would not use a new private virtual interface here but a transit virtual interface.https://docs.aws.amazon.com/directconnect/latest/UserGuide/direct-connect-transit-gateways.html "You can use an AWS Direct Connect gateway to connect your AWS Direct Connect connection over a transit virtual interface to the VPCs or VPNs that are attached to your transit gateway. You associate a Direct Connect gateway with the transit gateway. Then, create a transit virtual interface for your AWS Direct Connect connection to the Direct Connect gateway."
upvoted 3 times
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GeniusMikeLiu
2 years, 11 months ago
why C???
upvoted 1 times
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