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Amazon Exam ANS-C01 Topic 5 Question 11 Discussion

Actual exam question for Amazon's ANS-C01 exam
Question #: 11
Topic #: 5
[All ANS-C01 Questions]

A company has a global network and is using transit gateways to connect AWS Regions together. The company finds that two Amazon EC2 instances in different Regions are unable to communicate with each other. A network engineer needs to troubleshoot this connectivity issue.

What should the network engineer do to meet this requirement?

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Suggested Answer: B, D

by Carin at Jul 25, 2023, 03:30 AM

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Paulina
16 days ago
Hmm, Option D looks tempting, but why use VPC Reachability Analyzer when we have the tried and true VPC flow logs? Option C is the way to go, no doubt about it.
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Lucina
20 days ago
Haha, I bet the network engineer is scratching their head right now, trying to figure out why these EC2 instances can't talk to each other. Gotta love those transit gateway problems!
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Matthew
22 days ago
I agree, Option C seems to be the most comprehensive solution. Checking the routing tables and using VPC flow logs to identify any security or network ACL rules that might be blocking the communication is crucial.
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Kenneth
2 months ago
I think option A is the best choice because it covers all the necessary steps to troubleshoot the connectivity issue between the EC2 instances in different Regions.
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Golda
2 months ago
I agree with Jacinta. It's important to also use VPC flow logs to analyze the IP traffic that security group rules and network ACL rules accept or reject in the VPC.
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Florinda
2 months ago
Option C is the correct answer. Analyzing the transit gateway route tables and VPC route tables, along with using VPC flow logs, is the best approach to troubleshoot the connectivity issue.
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Elenor
20 days ago
Great, so option C is the best approach to troubleshoot the connectivity issue.
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Adelle
24 days ago
Don't forget to use VPC flow logs to analyze the IP traffic that security group rules and network ACL rules accept or reject in the VPC.
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Desirae
27 days ago
Yes, that sounds like a good idea. We also need to verify that the VPC route tables are correct.
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Shaniqua
30 days ago
I think we should use AWS Network Manager Route Analyzer to analyze routes in the transit gateway route tables and VPC route tables.
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Jacinta
2 months ago
I think the network engineer should use AWS Network Manager Route Analyzer to analyze routes in the transit gateway route tables and in the VPC route tables.
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Mila
2 months ago
I think option A is the best choice. It covers all the necessary steps to troubleshoot the connectivity issue between the EC2 instances in different Regions.
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Carmelina
2 months ago
I agree with Carmen. It's important to also use VPC flow logs to analyze the IP traffic that security group rules and network ACL rules accept or reject in the VPC.
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Carmen
2 months ago
I think the network engineer should use AWS Network Manager Route Analyzer to analyze routes in the transit gateway route tables and in the VPC route tables.
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