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Amazon Exam DVA-C02 Topic 1 Question 55 Discussion

Actual exam question for Amazon's DVA-C02 exam
Question #: 55
Topic #: 1
[All DVA-C02 Questions]

A developer needs to troubleshoot an AWS Lambda function in a development environment. The Lambda function is configured in VPC mode and needs to connect to an existing Amazon RDS for SOL Server DB instance. The DB instance is deployed in a private subnet and accepts connections by using port 1433.

When the developer tests the function, the function reports an error when it tries to connect to the database.

Which combination of steps should the developer take to diagnose this issue? (Select TWO.)

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Suggested Answer: A, E

by Elenor at Aug 15, 2025, 02:16 PM

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Vi
2 days ago
I’m not entirely sure, but I think the function needs outbound access to the DB instance, so maybe A and D could work together?
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Olive
8 days ago
I remember something about security groups needing to allow traffic on the right ports, so A seems like a good choice.
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Carin
13 days ago
I'm a bit unsure about the VPC setup and the NAT gateway requirement. I'll need to research that a bit more before I can confidently answer this question.
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Hoa
18 days ago
This seems straightforward enough. I'll focus on the security group configurations and the function's permissions to access the RDS instance. I'm confident I can figure this out.
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Stanford
23 days ago
Okay, I think I've got a handle on this. I'll start by checking the security group rules to ensure the Lambda function can communicate with the RDS instance. Then I'll verify the function's execution role permissions.
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Cherelle
28 days ago
Hmm, I'm a bit confused by the question. I'll need to double-check the VPC setup and make sure the Lambda function has the right permissions to access the RDS instance.
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Kris
1 month ago
This looks like a tricky one. I'll need to carefully review the security group configurations and permissions to make sure the Lambda function can properly connect to the RDS instance.
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Carylon
3 months ago
I think we should check the security group settings first.
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