Legit DVA-C02 Exam Download

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Question 52

A company uses an AWS Lambda function to transfer files from an Amazon S3 bucket to the company's SFTP server. The Lambda function connects to the SFTP server by using credentials such as username and password. 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?

Options:

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

Move the user credentials from Lambda environment variables to AWS Systems Manager Parameter Store.

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

Move the user credentials from the Lambda environment to an encrypted .txt file. Store the file in an S3 bucket.

Question 53

A developer is writing a serverless application that requires an AWS Lambda function to be invoked every 10 minutes.

What is an automated and serverless way to invoke the function?

Options:

Deploy an Amazon EC2 instance based on Linux, and edit its /etc/confab file by adding a command to periodically invoke the lambda function

Configure an environment variable named PERIOD for the Lambda function. Set the value to 600.

Create an Amazon EventBridge rule that runs on a regular schedule to invoke the Lambda function.

Create an Amazon Simple Notification Service (Amazon SNS) topic that has a subscription to the Lambda function with a 600-second timer.

Question 54

A company has implemented a pipeline in AWS CodePipeline. The company Is using a single AWS account and does not use AWS Organizations. The company needs to test its AWS CloudFormation templates in its primary AWS Region and a disaster recovery Region.

Which solution will meet these requirements with the MOST operational efficiency?

Options:

In the CodePipeline pipeline, implement an AWS CodeDeploy action for each Region to deploy and test the Cloud Formation templates. Update CodePipeline and AWS CodeBuild with appropriate permissions.

Configure CodePipeline to deploy and test the Cloud Formation templates. Use CloudFormation StackSets to start deployment across both Regions.

Configure CodePipeline to invoke AWS CodeBuild to deploy and test the CloudFormation templates in each Region. Update CodeBuild and CloudFormation with appropriate permissions.

Use the Snyk action in CodePipeline to deploy and test the CloudFormation templates in each Region.

Question 55

A company is planning to deploy an application on AWS behind an Elastic Load Balancing (ELB) load balancer. The application uses an HTTP/HTTPS listener and must access the client IP addresses.

Which load-balancing solution meets these requirements?