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Exam ANS-C00 topic 1 question 65 discussion

Exam question from Amazon's ANS-C00
Question #: 65
Topic #: 1
[All ANS-C00 Questions]

Your company has a 1-Gbps AWS Direct Connect connection to AWS. Your company needs to send traffic from on-premises to a VPC owned by a partner company. The connectivity must have minimal latency at the lowest price.
Which of the following connectivity options should you choose?

  • A. Create a new Direct Connect connection, and set up a new circuit to connect to the partner VPC using a private virtual interface.
  • B. Create a new Direct Connect connection, and leverage the existing circuit to connect to the partner VPC.
  • C. Create a new private virtual interface, and leverage the existing connection to connect to the partner VPC.
  • D. Enable VPC peering and use your VPC as a transitive point to reach the partner VPC.
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by ohcan at April 28, 2019, 9:25 p.m.
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ohcan
Highly Voted 3 years, 2 months ago
VPC peering is not transitive. D can't be correct. I suggest C
upvoted 16 times
clark
3 years, 2 months ago
Multiple VPC Peering Connections A VPC peering connection is a one to one relationship between two VPCs. If there was more than a "one to one" relationship, you would be correct. The answer is D.
upvoted 2 times
piotr
3 years, 2 months ago
Traffic is originated on-prem and VPC is not transitive over peering so D will not work. It would be valid only for traffic originated in that VPC.
upvoted 9 times
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ChauPhan
Highly Voted 3 years, 1 month ago
Hosted virtual interfaces To use your AWS Direct Connect connection with another account, you can create a hosted virtual interface for that account. The owner of the other account must accept the hosted virtual interface to begin using it. A hosted virtual interface works the same as a standard virtual interface and can connect to public resources or a VPC.
upvoted 5 times
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squeeze_talus0y
Most Recent 2 years, 3 months ago
Between A and C I would go with A, since a DXGW is free. Option C implies additional site-to-site VPN connection costs, while with DX we already pay the port hours for us-west-2.
upvoted 1 times
squeeze_talus0y
2 years, 3 months ago
Wrong question to comment.
upvoted 1 times
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Marty2021
2 years, 5 months ago
Selected Answer: C
A and B involved a new DX at considerable cost. D isn't correct as VPC peering doesn't allow transitive routing, this only leaves C
upvoted 2 times
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MohamedSherif1
2 years, 7 months ago
C. Create a new private virtual interface, and leverage the existing connection to connect to the partner VPC.
upvoted 1 times
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shammous
2 years, 11 months ago
Selected Answer: C
lowest possible cost: answers A and B would be ruled out because of that, as C is the cheapest. D is wrong as VPC peering is not transitive.
upvoted 3 times
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mabalon
3 years ago
Selected Answer: C
No doubt
upvoted 1 times
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viestner
3 years ago
C. https://docs.aws.amazon.com/directconnect/latest/UserGuide/WorkingWithVirtualInterfaces.html
upvoted 1 times
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Kentik
3 years, 1 month ago
Cant believe they are companies out there selling this with so many wrong answers
upvoted 4 times
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Johnny_Green
3 years, 1 month ago
Answer is C. In spirit, this question is similar to Question #51 in which an on-premises site needs to communicate with more than one VPC. The only difference is the partner VPC vs. own VPC.
upvoted 2 times
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kvirk
3 years, 1 month ago
C for sure
upvoted 4 times
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Puma4843
3 years, 1 month ago
Yes. You can hosted VIF for another account. It is C
upvoted 3 times
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BillyC
3 years, 1 month ago
C.. Off Course
upvoted 4 times
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Meetra
3 years, 1 month ago
C . vpc is non transitive
upvoted 3 times
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tonna86
3 years, 2 months ago
I think it is C which should be possible via Hosted VIFs (https://docs.aws.amazon.com/directconnect/latest/UserGuide/WorkingWithVirtualInterfaces.html) A and B will be too expensive, and D is not possible since transitive routing is not supported for VPC peering.
upvoted 4 times
topcat
3 years, 1 month ago
C: https://docs.aws.amazon.com/vpc/latest/peering/create-vpc-peering-connection.html#create-vpc-peering-connection-remote its the cheapest
upvoted 2 times
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aviz
3 years, 2 months ago
I think answer is C as well,as garrett we cannot extend the flow using peering
upvoted 3 times
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Garrett
3 years, 2 months ago
https://docs.aws.amazon.com/vpc/latest/peering/invalid-peering-configurations.html#transitive-peering Edge to Edge Routing Through a Gateway or Private Connection If either VPC in a peering relationship has one of the following connections, you cannot extend the peering relationship to that connection:
upvoted 1 times
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