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AWS-Certified-Developer-Associate-DVA-C01 – AWS Certified Developer Associate (DVA-C01)

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Showing 13–15 of 20 questions

Question 13

A developer is building a backend system for the long-term storage of information from an inventory management system. The information needs to be stored so that other teams can build tools to report and analyze the data

How should the developer implement this solution to achieve the FASTEST running time?

Select an option, then click Submit answer.

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    Create an AWS Lambda function that writes to Amazon S3 synchronously Increase the function's concurrency to match the highest expected value of concurrent scans and requests.
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    Create an AWS Lambda function that writes to Amazon S3 asynchronously Configure a dead-letter queue to collect unsuccessful invocations
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    Create an AWS Lambda function that writes to Amazon S3 synchronously Set the inventory system to retry failed requests.
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    Create an AWS Lambda function that writes to an Amazon ElastiCache for Redis cluster asynchronously Configure a dead-letter queue to collect unsuccessful invocations.
Question 14

A company is creating a REST service using an Amazon API Gateway with AWS Lambda integration. The service must run different versions for testing purposes.

What would be the BEST way to accomplish this?

Select an option, then click Submit answer.

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    Use an X-Version header to denote which version is being called and pass that header to the Lambda function(s)
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    Create an API Gateway Lambda authorizer to route API clients to the correct API version
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    Create an API Gateway resource policy to isolate versions and provide context to the Lambda function(s)
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    Deploy the API versions as unique stages with unique endpoints and use stage variables to provide further context
Question 15

A company's security policies require all database passwords to be rotated every 30 days The company uses different database platforms, including Amazon Aurora databases and proprietary NoSQL document databases, for different applications A developer needs to implement a solution for password rotation

Which solution will meet these requirements?

Select an option, then click Submit answer.

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    Create an AWS Lambda rotation function that has appropriate IAM permissions Store the password in AWS Secrets Manager Configure Secrets Manager to rotate the password by using the Lambda function
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    Encrypt the existing password with AWS Key Management Service (AWS KMS) Export the existing password Generate a random password with AWS KMS Use the AWS KMS password renewal feature to replace the existing password with the new password.
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    Create an AWS Lambda rotation function that has appropriate IAM permissions Store the password in AWS Systems Manager Parameter Store Configure Parameter Store to rotate the password by using the Lambda function
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    Integrate AWS Systems Manager Parameter Store with a Key Management Interoperability Protocol (KMIP)-compliant third-party secret manager to enable third-party database password rotation on AWS