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Exam AWS Certified Advanced Networking - Specialty ANS-C01 topic 1 question 211 discussion

Exam question from Amazon's AWS Certified Advanced Networking - Specialty ANS-C01
Question #: 211
Topic #: 1
[All AWS Certified Advanced Networking - Specialty ANS-C01 Questions]

A company is running business applications on AWS. The company uses 50 AWS accounts, thousands of VPCs, and 3 AWS Regions across the United States and Europe.

A network engineer needs to establish network connectivity between an on-premises data center and the Regions. The network engineer also must establish connectivity between the VPCs. On-premises: users and applications must be able to connect to applications that run in the VPCs.

The company has an existing AWS Direct Connect connection that the network engineer can use. The network engineer creates a transit gateway in each Region and configures the transit gateways as inter-Region peers.

Which solution will provide network connectivity from the on-premises data center to the Regions and will provide inter-VPC communications across the different Regions?

  • A. Create a private VIF with a gateway type of virtual private gateway. Configure the private VIF to use a virtual private gateway that is associated with one of the VPCs.
  • B. Create a private VIF to a new Direct Connect gateway. Associate the new Direct Connect gateway with a virtual private gateway in each VPC.
  • C. Create transit VIF with a gateway association to a new Direct Connect gateway. Associate each transit gateway with the new Direct Connect gateway.
  • D. Create an AWS Site-to-Site VPN connection that uses a public VIF for the Direct Connect connection. Attach the Site-to-Site VPN connection to the transit gateways.
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Suggested Answer: C 🗳️
by Cacheirez at Aug. 13, 2024, 9:25 p.m.
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woorkim
4 months, 1 week ago
its c! only TGW has to be connected thru transit VIF!
upvoted 2 times
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cas_tori
8 months ago
Selected Answer: C
this is C
upvoted 1 times
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aragon_saa
8 months, 2 weeks ago
Selected Answer: C
Answer is C
upvoted 2 times
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Cacheirez
8 months, 2 weeks ago
Selected Answer: C
A transit VIF (Virtual Interface) allows you to connect your Direct Connect connection to a Direct Connect gateway. The Direct Connect gateway can then be associated with multiple transit gateways across different Regions, enabling seamless communication between on-premises networks and multiple VPCs across multiple Regions. By associating the transit gateways in each Region with the Direct Connect gateway, you enable on-premises connectivity to all VPCs attached to these transit gateways. This also allows for inter-VPC communication across the different Regions, as the transit gateways are configured as inter-Region peers. This setup is scalable and aligns with the company's architecture, which includes thousands of VPCs and multiple Regions. The transit VIF with a Direct Connect gateway enables centralized management of your network, reducing complexity and operational overhead.
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