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Exam ANS-C00 topic 1 question 174 discussion

Exam question from Amazon's ANS-C00
Question #: 174
Topic #: 1
[All ANS-C00 Questions]

Your company has a DX connection and you just added a new VPC and Private VIF to which you have connected to your DX link. You copied the settings from the other VPC to ensure it's the same. Once you connected the new VIF, you began seeing problems with connectivity to both VPCs.
You checked to make sure you didn't use the same CIDR with each VPC, so what could be the problem?

  • A. You used the same VLAN ID for both connections.
  • B. You overloaded your DX circuit.
  • C. Your MPLS provider does not allow traffic to two VPCs.
  • D. You can only connect one VIF to a DX circuit.
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by Vlan at March 8, 2021, 9:15 a.m.
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Vlan
Highly Voted 3 years, 7 months ago
I think A
upvoted 5 times
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slackbot
Most Recent 2 years, 1 month ago
Selected Answer: B
should be B, because the console returns an error if you try to create a new VIF over the same connection with overlapping VLAN ID. in regards to the rest - these are not real scenarios - you can have more than 1 VIF per dedicated connection and provider should not be causing issues for all traffic if you add a new destination prefix.
upvoted 1 times
slackbot
2 years, 1 month ago
also - answer A says new Connection. question said new VIF, not new Connection
upvoted 1 times
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ongre_
2 years, 9 months ago
Selected Answer: A
Private VIFs must have different VLANs. A is correct
upvoted 1 times
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Marty2021
2 years, 11 months ago
Selected Answer: A
A - 1 VLAN = 1 VIF
upvoted 1 times
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clooudy
3 years ago
Selected Answer: A
A doesn't happen in real world..If you use a duplicat VLAN ID on the same DX it will throw out an error saying VLAN-ID is in use.. But for the exam A is correct since all other options are not even remotely close
upvoted 1 times
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ExtHo
3 years, 3 months ago
Selected Answer: A
VLAN ID should be different https://aws.amazon.com/directconnect/faqs/#:~:text=No%2C%20VLANs%20are%20used%20in,separate%20traffic%20between%20virtual%20interfaces. Q: Can I extend one of my VLANs to the AWS Cloud using AWS Direct Connect? No, VLANs are used in AWS Direct Connect only to separate traffic between virtual interfaces.
upvoted 1 times
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ChauPhan
3 years, 7 months ago
A. You used the same VLAN ID for both connections.
upvoted 3 times
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