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Exam AWS Certified Advanced Networking - Specialty ANS-C01 All Questions

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Exam AWS Certified Advanced Networking - Specialty ANS-C01 topic 1 question 62 discussion

Exam question from Amazon's AWS Certified Advanced Networking - Specialty ANS-C01
Question #: 62
Topic #: 1
[All AWS Certified Advanced Networking - Specialty ANS-C01 Questions]

A company has its production VPC (VPC-A) in the eu-west-1 Region in Account 1. VPC-A is attached to a transit gateway (TGW-A) that is connected to an on-premises data center in Dublin, Ireland, by an AWS Direct Connect transit VIF that is configured for an AWS Direct Connect gateway. The company also has a staging VPC (VPC-B) that is attached to another transit gateway (TGW-B) in the eu-west-2 Region in Account 2.
A network engineer must implement connectivity between VPC-B and the on-premises data center in Dublin.
Which solutions will meet these requirements? (Choose two.)

  • A. Configure inter-Region VPC peering between VPC-A and VPC-B. Add the required VPC peering routes. Add the VPC-B CIDR block in the allowed prefixes on the Direct Connect gateway association.
  • B. Associate TGW-B with the Direct Connect gateway. Advertise the VPC-B CIDR block under the allowed prefixes.
  • C. Configure another transit VIF on the Direct Connect connection and associate TGW-B. Advertise the VPC-B CIDR block under the allowed prefixes.
  • D. Configure inter-Region transit gateway peering between TGW-A and TGW-B. Add the peering routes in the transit gateway route tables. Add both the VPC-A and the VPC-B CIDR block under the allowed prefix list in the Direct Connect gateway association.
  • E. Configure an AWS Site-to-Site VPN connection over the transit VIF to TGW-B as a VPN attachment.
Show Suggested Answer Hide Answer
Suggested Answer: BD 🗳️
by zaazanuna at March 19, 2023, 5:09 p.m.
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study_aws1
Highly Voted 1 year, 7 months ago
Only one Transit VIF is possible with one Direct connection. With DX gateway, 3 Transit Gateways (same or different regions) can be added. Option B) and D) are correct, though B) itself fulfils the requirement in the question.
upvoted 15 times
JoseCC
1 year, 2 months ago
Regarding option D) the documentation states that you can use up to 6 TGW per DX gateway. AWS Direct Connect quotas.
upvoted 1 times
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leotoras
9 months, 2 weeks ago
The number of transit virtual interfaces allowed is now four (4) and is counted against the maximum of 51 virtual interfaces per dedicated connection. This limit cannot be increased. This limit cannot be increased. Contact your Solutions Architect (SA) or Technical Account Manager (TAM) for further assistance.
upvoted 1 times
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zaazanuna
Highly Voted 1 year, 7 months ago
B, C - correct. B. Associate TGW-B with the Direct Connect gateway. Advertise the VPC-B CIDR block under the allowed prefixes. This will allow traffic from VPC-B to be sent over the Direct Connect connection to the on-premises data center via TGW-B. C. Configure another transit VIF on the Direct Connect connection and associate TGW-B. Advertise the VPC-B CIDR block under the allowed prefixes. This will enable the use of the Direct Connect connection for VPC-B's traffic by connecting TGW-B to the Direct Connect gateway.
upvoted 6 times
ChinkSantana
9 months ago
C did not mention Direct Connect Gateway which is an important component for C to work so C is out of the debate.
upvoted 1 times
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rltk8029
Most Recent 5 months, 4 weeks ago
They testing your English here, C looks fine but missing *gateway** -- instead it says Direct Connect *connection**. if it would say "gateway", then C would be more optimal -- each TGW connected to DXGW.
upvoted 1 times
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Raphaello
6 months, 2 weeks ago
Selected Answer: BD
BD are the correct answers. 2 TGW's (each in its own region, with peering between them) + 1 DxGW (with transit VIF) + DX connection (to the company's DC)
upvoted 1 times
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marfee
8 months, 2 weeks ago
I think that it's correct answer is BD.
upvoted 1 times
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MarcosSantos
9 months, 1 week ago
The question seems poorly formatted to me: It should contain only one answer, as it only asks for communication between the TGW-B and the On-Premises, and not the connectivity between the vpcs. "A network engineer must implement connectivity between VPC-B and the on-premises data center in Dublin. Which solutions will meet these requirements?" For me the letter B is correct
upvoted 2 times
kaush4u
8 months, 1 week ago
IT should be BE , B is correct .There is no requirement to connect VPCs in Question, Also E is also a possible solution
upvoted 2 times
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dremm
1 year, 6 months ago
Selected Answer: BD
B) D) It's not an option of which 2 steps are required to achieve the connectivity, but which 2 solutions can achieve the same result, thus B,D
upvoted 4 times
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silviahdz
1 year, 6 months ago
Selected Answer: BD
B & D Correct, implementing either will work.
upvoted 2 times
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Jotoval
1 year, 6 months ago
i think B and D considering 1 direct connect connection only can have 1 Transit VIF
upvoted 3 times
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helloworldabc
1 year, 7 months ago
BBBBBBCCCCCCC
upvoted 3 times
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