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Exam AWS Certified Advanced Networking - Specialty ANS-C01 topic 1 question 147 discussion

Exam question from Amazon's AWS Certified Advanced Networking - Specialty ANS-C01
Question #: 147
Topic #: 1
[All AWS Certified Advanced Networking - Specialty ANS-C01 Questions]

A European car manufacturer wants to migrate its customer-facing services and its analytics platform from two on-premises data centers to the AWS Cloud. The company has a 50-mile (80.4 km) separation between its on-premises data centers and must maintain that separation between its two locations in the cloud. The company also needs failover capabilities between the two locations in the cloud.

The company's infrastructure team creates several accounts to separate workloads and responsibilities. The company provisions resources in the eu-west-3 Region and in the eu-central-1 Region. The company selects an AWS Direct Connect Partner in each Region and requests two resilient 1 Gbps fiber connections from each provider.

The company's network engineer must establish a connection between all VPCs in the accounts and between the on-premises network and the AWS Cloud. The solution must provide access to all services in both Regions in case of network issues.

Which solution will meet these requirements?

  • A. Create a Direct Connect gateway. Create a private VIF on each of the Direct Connect connections. Attach the private VIFs to the Direct Connect gateway. Use equal-cost multi-path (ECMP) routing to aggregate the four connections across the two Regions. Attach the Direct Connect gateway directly to each VPC's virtual private gateway.
  • B. Create a Direct Connect gateway. Create a transit gateway. Attach the transit gateway to the Direct Connect gateway. Create a transit VIF on each of the Direct Connect connections. Attach the transit VIFs to the Direct Connect gateway. Use a link aggregation group (LAG) to aggregate the four connections across the two Regions. Attach the transit gateway directly to each VPC.
  • C. Create a Direct Connect gateway. Create a transit gateway in each Region. Attach the transit gateways to the Direct Connect gateway. Create a transit VIF on each of the Direct Connect connections. Attach the transit VIFs to the Direct Connect gateway. Peer the transit gateways. Attach the transit gateways in each Region to the VPCs in the same Region.
  • D. Create a Direct Connect gateway. Create a private VIF on each of the Direct Connect connections. Attach the private VIFs to the Direct Connect gateway. Use a link aggregation group (LAG) to aggregate the four connections across the two Regions. Create a transit gateway. Attach the transit gateway to the Direct Connect gateway. Attach the transit gateway directly to each VPC.
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Suggested Answer: C 🗳️
by Manh at July 27, 2023, 3:28 a.m.
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Manh
Highly Voted 1 year, 6 months ago
it's C To establish a connection between all VPCs in the accounts and between the on-premises network and the AWS Cloud, you need to create a Direct Connect gateway and a transit gateway in each Region. You also need to create a transit VIF on each of the Direct Connect connections and attach them to the Direct Connect gateway. Then, you need to attach the transit gateways to the Direct Connect gateway and peer them. Finally, you need to attach the transit gateways in each Region to the VPCs in the same Region.
upvoted 7 times
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AzureDP900
Most Recent 3 weeks, 6 days ago
Selected Answer: C
Providing access to all services in both Regions through the use of separate transit gateways in each Region, which simplifies routing and reduces the number of peering connections required. Aggregating the four 1 Gbps Direct Connect connections using a link aggregation group (LAG) to increase network resiliency and provide higher bandwidth. Ensuring redundancy by establishing connections between both data centers in the cloud through multiple Direct Connect providers. Allowing for failover capabilities by maintaining a connection between the two Regions, so if one Region experiences network issues, traffic can be redirected to the other Region without service disruption. Enabling easy management of resources and responsibilities across multiple accounts by using separate VPCs in each account.
upvoted 1 times
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Akshay0403
6 months, 1 week ago
Selected Answer: C
Transit gateway is regional service so need to create in each region.
upvoted 1 times
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Marfee400704
11 months, 2 weeks ago
I think that it's correct answer is C according to SPOTO products.
upvoted 1 times
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Arad
1 year, 2 months ago
Selected Answer: C
C is the right answer.
upvoted 2 times
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Certified101
1 year, 5 months ago
Selected Answer: C
C is correct
upvoted 4 times
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ISSDoksim
1 year, 5 months ago
c - https://docs.aws.amazon.com/pdfs/whitepapers/latest/hybrid-connectivity/hybrid-connectivity.pdf
upvoted 2 times
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