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Exam AWS Certified Advanced Networking - Specialty ANS-C01 topic 1 question 243 discussion

Exam question from Amazon's AWS Certified Advanced Networking - Specialty ANS-C01
Question #: 243
Topic #: 1
[All AWS Certified Advanced Networking - Specialty ANS-C01 Questions]

A company is planning to use an AWS Transit Gateway hub and spoke architecture to migrate to AWS. The current on-premises multi-protocol label switching (MPLS) network has strict controls that enforce network segmentation by using MPLS VPNs. The company has provisioned two 10 Gbps AWS Direct Connect connections to provide resilient, high-speed, low-latency connectivity to AWS.

A security engineer needs to apply the concept of network segmentation to the AWS environment to ensure that virtual routing and forwarding (VRF) is logically separated for each of the company's software development environments. The number of MPLS VPNs will increase in the future. On-premises MPLS VPNs will have overlapping address space. The company's AWS network design must support overlapping address space for the VPNs.

Which solution will meet these requirements with the LEAST operational overhead?

  • A. Deploy a software-defined WAN (SD-WAN) head-end virtual appliance and an SD-WAN controller into a Transit Gateway Connect VPC. Configure the company's edge routers to be managed by the new SD-WAN controller and to use SD-WAN to segment the traffic into the defined segments for each of the company's development environments.
  • B. Configure IPsec VPNs on the company edge routers for each MPLS VPN for each of the company's development environments. Attach each IPsec VPN tunnel to a discrete MPLS VPN. Configure AWS Site-to-Site VPN connections that terminate at a transit gateway for each MPLS VPN. Configure a transit gateway route table that matches the MPLS VPN for each Transit Gateway VPN attachment.
  • C. Create a transit VPC that terminates at the AWS Site-to-Site VRF-aware IPsec VPN. Configure IPsec VPN connections to each VPC for each of the company's development environment VRFs.
  • D. Configure a Transit Gateway Connect attachment for each MPLS VPN between the company's edge routers and Transit Gateway. Configure a transit gateway route table that matches the MPLS VPN for each of the company's development environments.
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Suggested Answer: D 🗳️
by c1193d4 at Jan. 6, 2025, 4:43 p.m.
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woorkim
3 months, 2 weeks ago
Selected Answer: D
Transit Gateway Connect: Directly integrates with Direct Connect Native support for VRF separation Minimal operational overhead Easy to scale with new MPLS VPNs Supports overlapping IP addresses Uses existing Direct Connect infrastructure Simple route table management
upvoted 1 times
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c1193d4
3 months, 2 weeks ago
Selected Answer: D
D: see Pattern 3 at https://aws.amazon.com/blogs/networking-and-content-delivery/design-patterns-for-interconnecting-a-telco-data-center-to-an-amazon-vpc/
upvoted 3 times
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