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Exam AWS Certified Developer - Associate DVA-C02 topic 1 question 162 discussion

Exam question from Amazon's AWS Certified Developer - Associate DVA-C02
Question #: 162
Topic #: 1
[All AWS Certified Developer - Associate DVA-C02 Questions]

A developer has observed an increase in bugs in the AWS Lambda functions that a development team has deployed in its Node.js application. To minimize these bugs, the developer wants to implement automated testing of Lambda functions in an environment that closely simulates the Lambda environment.

The developer needs to give other developers the ability to run the tests locally. The developer also needs to integrate the tests into the team’s continuous integration and continuous delivery (CI/CD) pipeline before the AWS Cloud Development Kit (AWS CDK) deployment.

Which solution will meet these requirements?

  • A. Create sample events based on the Lambda documentation. Create automated test scripts that use the cdk local invoke command to invoke the Lambda functions. Check the response. Document the test scripts for the other developers on the team. Update the CI/CD pipeline to run the test scripts.
  • B. Install a unit testing framework that reproduces the Lambda execution environment. Create sample events based on the Lambda documentation. Invoke the handler function by using a unit testing framework. Check the response. Document how to run the unit testing framework for the other developers on the team. Update the CI/CD pipeline to run the unit testing framework.
  • C. Install the AWS Serverless Application Model (AWS SAM) CLI tool. Use the sam local generate-event command to generate sample events for the automated tests. Create automated test scripts that use the sam local invoke command to invoke the Lambda functions. Check the response. Document the test scripts for the other developers on the team. Update the CI/CD pipeline to run the test scripts.
  • D. Create sample events based on the Lambda documentation. Create a Docker container from the Node.js base image to invoke the Lambda functions. Check the response. Document how to run the Docker container for the other developers on the team. Update the CI/CD pipeline to run the Docker container.
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Suggested Answer: C 🗳️
by fordiscussionstwo at Oct. 6, 2023, 2:10 a.m.
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65703c1
5 months ago
Selected Answer: C
C is the correct answer.
upvoted 3 times
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KarBiswa
7 months, 1 week ago
Selected Answer: C
https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/using-sam-cli-local-generate-event.html
upvoted 3 times
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SerialiDr
9 months, 1 week ago
Selected Answer: C
This is the most suitable option. AWS SAM CLI is a tool designed for building, testing, and debugging serverless applications, and it includes the ability to locally test Lambda functions. The sam local invoke command allows you to invoke Lambda functions locally in a Docker container that simulates the Lambda execution environment. The sam local generate-event command can be used to generate sample events. This approach allows developers to run tests locally and can be integrated into CI/CD pipelines.
upvoted 3 times
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dilleman
1 year ago
Selected Answer: C
C should be correct
upvoted 2 times
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Digo30sp
1 year ago
Selected Answer: C
The correct answer is (C). Solution (C) is the best option to meet the developer's requirements. The AWS SAM CLI tool provides an easy way to generate sample events and invoke Lambda functions locally. The solution is also easy to document and integrate into the CI/CD pipeline.
upvoted 4 times
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