Exam AWS Certified Advanced Networking - Specialty ANS-C01 topic 1 question 198 discussion

Exam question from Amazon's AWS Certified Advanced Networking - Specialty ANS-C01

Question #: 198
Topic #: 1

[All AWS Certified Advanced Networking - Specialty ANS-C01 Questions]

Company A recently acquired Company B. Company A has a hybrid AWS and on-premises environment that uses a hosted AWS Direct Connect connection, a Direct Connect gateway, and a transit gateway. Company A has a transit VIF to access the resources in its production environment in the us-east-1 Region.

Company B has applications that run across multiple VPCs in the us-west-2 Region in a single AWS account. A transit gateway connects all Company B's application VPCs. The CIDR blocks for both companies do not overlap.

Company A needs to use the existing Direct Connect connection to access Company B’s applications from the on-premises environment.

Which solution will meet these requirements?

A. Create a new Direct Connect gateway in the Company B account. Associate the Company B transit gateway with the new Direct Connect gateway. Create a transit VIF on the existing hosted connection for Company B.
B. Create an association proposal from the Company B account to associate the Company B transit gateway with the Company A Direct Connect gateway. Accept the transit gateway association proposal by logging into the Company A account.
C. Create multiple virtual private gateways. Attach the virtual private gateways to each of Company B's application VPCs. Create a hosted private VIF for each virtual private gateway.
D. Create a new Direct Connect gateway in the Company B account. Associate the Company B transit gateway with the new Direct Connect gateway. Create a hosted private VIF for Company B.

Show Suggested Answer

Suggested Answer: B 🗳️

by veyisceylan at June 21, 2024, 12:21 p.m.

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AzureDP900

6 months ago

B is right Both companies have different AWS accounts, making it impossible for them to directly share a transit gateway. The existing hosted connection is in the us-east-1 Region, while Company B's applications are located in the us-west-2 Region, and they do not overlap with each other. Therefore, using the same transit VIF would not be viable without some sort of shared resource between them.

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woorkim

6 months, 2 weeks ago

B is right! In Company B's account, create an association proposal to link the transit gateway in us-west-2 to Company A's Direct Connect gateway. In Company A's account, accept the association proposal. Update routing configurations to allow traffic from Company A's on-premises environment to reach Company B's applications via the Direct Connect gateway and transit gateway.

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Akshay0403

11 months, 1 week ago

Selected Answer: B

Option B is the most efficient solution for connecting Company A’s on-premises environment to Company B’s applications. It leverages the existing Direct Connect infrastructure, minimizing the need for additional hardware and configuration, and uses Direct Connect gateway and transit gateway association for seamless integration between the two companies’ environments.

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Blitz1

11 months, 2 weeks ago

Selected Answer: B

https://docs.aws.amazon.com/directconnect/latest/UserGuide/multi-account-associate-tgw.html

upvoted 2 times

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veyisceylan

1 year ago

it is B. Hosted connection allows only one VIF(transit, public or private)

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