Free Amazon DVA-C02 Exam Questions

Question 1

A company is creating an application that processes csv files from Amazon S3 A developer has created an S3bucket The developer has also created an AWS Lambda function to process the csv files from the S3 bucketWhich combination of steps will invoke the Lambda function when a csv file is uploaded to Amazon S3?(Select TWO.)

A : Create an Amazon EventBridge rule Configure the rule with a pattern to match the S3 object createdevent

B : Schedule an Amazon EventBridge rule to run a new Lambda function to scan the S3 bucket.

C : Add a trigger to the existing Lambda function. Set the trigger type to EventBridge Select the AmazonEventBridge rule.

D : Create a new Lambda function to scan the S3 bucket for recently added S3 objects

E : Add S3 Lifecycle rules to invoke the existing Lambda function

Answer: A,E

Question 2

A developer needs to perform geographic load testing of an API. The developer must deploy resources tomultiple AWS Regions to support the load testing of the API.How can the developer meet these requirements without additional application code?

A : Create and deploy an AWS Lambda function in each desired Region. Configure the Lambda function tocreate a stack from an AWS CloudFormation template in that Region when the function is invoked.

B : Create an AWS CloudFormation template that defines the load test resources. Use the AWS CLI createstack-set command to create a stack set in the desired Regions.

C : Create an AWS Systems Manager document that defines the resources. Use the document to create theresources in the desired Regions.

D : Create an AWS CloudFormation template that defines the load test resources. Use the AWS CLI deploycommand to create a stack from the template in each Region.

Answer: B

Question 3

A company has an existing application that has hardcoded database credentials A developer needs to modifythe existing application The application is deployed in two AWS Regions with an active-passive failoverconfiguration to meet company’s disaster recovery strategyThe developer needs a solution to store the credentials outside the code. The solution must comply With thecompany ' s disaster recovery strategyWhich solution Will meet these requirements in the MOST secure way?

A : Store the credentials in AWS Secrets Manager in the primary Region. Enable secret replication to thesecondary Region Update the application to use the Amazon Resource Name (ARN) based on theRegion.

B : Store credentials in AWS Systems Manager Parameter Store in the primary Region. Enable parameterreplication to the secondary Region. Update the application to use the Amazon Resource Name (ARN)based on the Region.

C : Store credentials in a config file. Upload the config file to an S3 bucket in me primary Region. EnableCross-Region Replication (CRR) to an S3 bucket in the secondary region. Update the application toaccess the config file from the S3 bucket based on the Region.

D : Store credentials in a config file. Upload the config file to an Amazon Elastic File System (AmazonEFS) file system. Update the application to use the Amazon EFS file system Regional endpoints toaccess the config file in the primary and secondary Regions.

Answer: A

Question 4

A developer is creating an AWS Lambda function. The Lambda function will consume messages from an Amazon Simple Queue Service (Amazon SQS) queue. The developer wants to integrate unit testing as part of the function's continuous integration and continuous delivery (CI/CD) process.

How can the developer unit test the function?

A : eate an AWS CloudFormation template that creates an SQS queue and deploys the Lambda function. Create a stack from the template during the CI/CD process. Invoke the deployed function. Verify the output.

B : eate an SQS event for tests. Use a test that consumes messages from the SQS queue during the function's Cl/CD process.

C : eate an SQS queue for tests. Use this SQS queue in the application's unit test. Run the unit tests during the CI/CD process.

D : the aws lambda invoke command with a test event during the CIICD process.

Answer: D

Question 5

An ecommerce company integrates with a payment processing service that publishes payment activitymessages to an Amazon SNS topic. A developer is building an AWS Lambda function to process refundevents. The Lambda function must process only refund-related messages .Which solution will meet this requirement in the MOST operationally efficient way?

A : Configure a Lambda event filter to allow only refund messages to invoke the function.

B : Add logic in the Lambda function to ignore non-refund messages.

C : Use Amazon SNS subscription filter policies to deliver only refund messages to the Lambda function.

D : Increase batch size and batching window parameters for the Lambda function.

Answer: C