Free Amazon DVA-C02 Exam Questions

Become Amazon Certified with updated DVA-C02 exam questions and correct answers

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Total 607 Questions | Updated On: Aug 11, 2026

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Question 1

A developer wrote an application that uses an AWS Lambda function to asynchronously generate short videosbased on requests from customers. This video generation can take up to 10 minutes. After the video isgenerated, a URL to download the video is pushed to the customer’s web browser. The customer should beable to access these videos for at least 3 hours after generation.Which solution will meet these requirements?

A : Store the video in the /tmp folder within the Lambda execution environment. Push a Lambda functionURL to the customer.

B : Store the video in an Amazon EFS file system attached to the function. Generate a presigned URL forthe video object and push the URL to the customer.

C : Store the video in Amazon S3. Generate a presigned URL for the video object and push the URL to thecustomer.

D : Store the video in an Amazon CloudFront distribution. Generate a presigned URL for the video objectand push the URL to the customer.

Answer: C

Question 2

A developer is writing an application that processes data delivered into an Amazon S3 bucket. The data isdelivered approximately 10 times per day , and the developer expects the processing to complete in less than1 minute on average.How can the developer deploy and invoke the application with the LOWEST cost and LOWEST latency ?

A : Deploy the application as an AWS Lambda function and invoke it by using an Amazon CloudWatchalarm that is triggered by an S3 object upload.

B : Deploy the application as an AWS Lambda function and invoke it by using an Amazon S3 eventnotification.

C : Deploy the application as an AWS Lambda function and invoke it by using an Amazon CloudWatchscheduled event.

D : Deploy the application on an Amazon EC2 instance and poll the S3 bucket for new objects.

Answer: B

Question 3

A developer is deploying an AWS Lambda function The developer wants the ability to return to olderversions of the function quickly and seamlessly.How can the developer achieve this goal with the LEAST operational overhead?

A : Use AWS OpsWorks to perform blue/green deployments.

B : Use a function alias with different versions.

C : Maintain deployment packages for older versions in Amazon S3.

D : Use AWS CodePipeline for deployments and rollbacks.

Answer: B

Question 4

A company uses an AWS Lambda function to transfer files from an Amazon S3 bucket to the company ' sSFTP server. The Lambda function connects to the SFTP server by using credentials such as username andpassword. The company uses Lambda environment variables to store these credentials.A developer needs to implement encrypted username and password credentials.Which solution will meet these requirements?

A : Remove the user credentials from the Lambda environment. Implement 1AM database authentication.

B : Move the user credentials from Lambda environment variables to AWS Systems Manager ParameterStore.

C : Move the user credentials from Lambda environment variables to AWS Key Management Service(AWS KMS).

D : Move the user credentials from the Lambda environment to an encrypted .txt file. Store the file in an S3bucket.

Answer: B

Question 5

When a developer tries to run an AWS Code Build project, it raises an error because the length of allenvironment variables exceeds the limit for the combined maximum of characters.What is the recommended solution?

A : Add the export LC-_ALL " on _ US, tuft " command to the pre _ build section to ensure POSIXLocalization.

B : Use Amazon Cognate to store key-value pairs for large numbers of environment variables

C : Update the settings for the build project to use an Amazon S3 bucket for large numbers of environmentvariables

D : Use AWS Systems Manager Parameter Store to store large numbers ot environment variables

Answer: D

Page: 1 / 122

Total 607 Questions | Updated On: Aug 11, 2026

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