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Exam AWS-SysOps topic 1 question 626 discussion

Exam question from Amazon's AWS-SysOps
Question #: 626
Topic #: 1
[All AWS-SysOps Questions]

The networking team has created a VPC in an AWS account. The application team has asked for access to resources in another VPC in the same AWS account.
The SysOps Administrator has created the VPC peering connection between both the accounts, but the resources in one VPC cannot communicate with the resources in the other VPC.
What could be causing this issue?

  • A. One of the VPCs is not sized correctly for peering.
  • B. There is no public subnet in one of the VPCs.
  • C. The route tables have not been updated.
  • D. One VPC has disabled the peering flag.
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️

Comments

Chosen Answer:
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frankghost
Highly Voted 2 years, 7 months ago
should be C
upvoted 12 times
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mukeshs
Highly Voted 2 years, 7 months ago
Agreed should be C. is someone watching the comments/discussions so that answers are correctly updated?
upvoted 8 times
karmaah
2 years, 7 months ago
Administrator of the examtopics will just review and approve the comments. Not validating whether answer is correct or not. This is what the reason we are discussing here.
upvoted 4 times
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albert_kuo
Most Recent 10 months ago
Selected Answer: C
To enable communication between the resources in both VPCs, you need to manually update the route tables in each VPC to include the appropriate routes for the peered VPC. This ensures that the traffic is correctly routed through the peering connection.
upvoted 1 times
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asfsdfsdf
2 years, 2 months ago
Selected Answer: C
C is correct - without updating route table nothing will work
upvoted 1 times
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antthomas
2 years, 3 months ago
Selected Answer: C
You need to update the route tables in both the subnets with the CIDR block as destination of the other - the correct answer is C
upvoted 1 times
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Sam0_2000
2 years, 5 months ago
Since the VPC is already created A cannot be correct. You need to update the route tables in both the subnets with the CIDR block as destination of the other - the correct answer is C
upvoted 1 times
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TroyMcLure
2 years, 6 months ago
Correct Answer: C
upvoted 2 times
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RicardoD
2 years, 6 months ago
C is the answer After creating the the peering, you need to update the route tables
upvoted 1 times
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abhishek_m_86
2 years, 6 months ago
C. The route tables have not been updated. Seems correct
upvoted 3 times
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Chirantan
2 years, 6 months ago
Should Be C
upvoted 1 times
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jackdryan
2 years, 6 months ago
I'll go with C
upvoted 2 times
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MFDOOM
2 years, 6 months ago
C. The route tables have not been updated.
upvoted 2 times
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waterzhong
2 years, 6 months ago
it is C
upvoted 1 times
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leowenlu
2 years, 7 months ago
C is my answer
upvoted 1 times
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rby293
2 years, 7 months ago
Ans: C according to the link below. https://aws.amazon.com/premiumsupport/knowledge-center/vpc-peering-connectivity/ VPC peering network connectivity failures are typically the result of incorrect or missing route tables or firewall rules. VPCs in a peering connection must be able to communicate with each other as if they are within the same network to route traffic between them using private IP addresses.
upvoted 3 times
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karmaah
2 years, 7 months ago
Ya. Ans should be c
upvoted 1 times
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saumenP
2 years, 7 months ago
VPC Peering needs route table update, C is correct
upvoted 7 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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