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Exam AWS Certified Advanced Networking - Specialty ANS-C01 topic 1 question 201 discussion

Exam question from Amazon's AWS Certified Advanced Networking - Specialty ANS-C01
Question #: 201
Topic #: 1
[All AWS Certified Advanced Networking - Specialty ANS-C01 Questions]

A company has a highly available application that is hosted in multiple VPCs and in two on-premises data centers. All the VPCs reside in the same AWS Region. All the VPCs require access to each other and to the on-premises data centers for the transfer of files that are multiple gigabytes in size.

A network engineer is designing an AWS Direct Connect solution to connect the on-premises data centers to each VPC.

Which architecture will meet the company's requirements with the LEAST operational overhead?

  • A. Configure a virtual private gateway and a private VIF in each VPC in the Region. Configure a Direct Connect gateway. Associate the VIF of every VPC with the Direct Connect gateway. Create a new private VIF that connects the Direct Connect gateway to each on-premises data center. Configure the new private VIF to exchange BGP routes with the on-premises data centers and to have an MTU of 9001. Use VPC peering between each VPC. Configure static routing in each VPC to provide inter-VPC routing.
  • B. Configure a virtual private gateway and a private VIF in each VPC in the Region. Configure a Direct Connect gateway. Associate the VIF of every VPC with the Direct Connect gateway. Create a new private VIF that connects the Direct Connect gateway to each on-premises data center. Configure the new private VIF to exchange BGP routes with the on-premises data centers and to have an MTU of 8500. Use VPC peering between each VPC. Configure static routing in each VPC to provide inter-VPC routing.
  • C. Configure a transit gateway in the same Region of each VPAttach each VPC to the transit gateway. Configure a Direct Connect gateway. Associate the Direct Connect gateway with the transit gateway. Associate a new transit VIF with each Direct Connect connection. Configure the new transit VIF to exchange BGP routes and to have an MTU of 9001. Configure route propagation between each VPC and the transit gateway.
  • D. Configure a transit gateway in the same Region of each VPC. Attach each VPC to the transit gateway. Configure a Direct Connect gateway. Associate the Direct Connect gateway with the transit gateway. Associate a new transit VIF with each Direct Connect connection. Configure the new transit VIF to exchange BGP routes and to have an MTU of 8500. Configure route propagation between each VPC and the transit gateway.
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Suggested Answer: D 🗳️
by rdiaz at June 12, 2024, 10:38 p.m.
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woorkim
4 months, 1 week ago
D is answer! The MTU of a transit virtual interface can be either 1500 or 8500 (jumbo frames).
upvoted 1 times
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chiaseed
6 months, 3 weeks ago
Selected Answer: D
"Jumbo frames will apply only to propagated routes via AWS Direct Connect and static routes via transit gateways. Jumbo frames on transit gateways support only 8500 bytes."
upvoted 1 times
chiaseed
6 months, 3 weeks ago
https://docs.aws.amazon.com/directconnect/latest/UserGuide/WorkingWithVirtualInterfaces.html#set-jumbo-frames-vif I attached the link to the above but somehow it is not showing. So I am attaching it here again.
upvoted 1 times
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cas_tori
8 months ago
Selected Answer: D
this is D
upvoted 1 times
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strike3test
10 months, 2 weeks ago
Selected Answer: D
Jumbo frames will apply only to propagated routes via AWS Direct Connect and static routes via transit gateways. Jumbo frames on transit gateways support only 8500 bytes.
upvoted 2 times
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rdiaz
10 months, 2 weeks ago
Selected Answer: D
8500 mtu of transit vif https://docs.aws.amazon.com/directconnect/latest/UserGuide/set-jumbo-frames-vif.html
upvoted 3 times
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