Amazon Web Services itexams aws Certified Associate Dva-c02 Dumps Pdf by Madeleine q39 vce pdf

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Exam Name:	AWS Certified Developer - Associate
Exam Code:	DVA-C02 Dumps
Vendor:	Amazon Web Services	Certification:	AWS Certified Associate
Questions:	565 Q&A's	Shared By:	madeleine

Question 44

A developer is working on a serverless application that needs to process any changes to an Amazon DynamoDB table with an AWS Lambda function.

How should the developer configure the Lambda function to detect changes to the DynamoDB table?

Options:

Create an Amazon Kinesis data stream, and attach it to the DynamoDB table. Create a trigger to connect the data stream to the Lambda function.

Create an Amazon EventBridge rule to invoke the Lambda function on a regular schedule. Conned to the DynamoDB table from the Lambda function to detect changes.

Enable DynamoDB Streams on the table. Create a trigger to connect the DynamoDB stream to the Lambda function.

Create an Amazon Kinesis Data Firehose delivery stream, and attach it to the DynamoDB table. Configure the delivery stream destination as the Lambda function.

Discussion

Question 45

A company has many microservices that are comprised of AWS Lambda functions. Multiple teams within the company split ownership of the microservices.

An application reads configuration values from environment variables that are contained in the Lambda functions. During a security audit, the company discovers that some of the environment variables contain sensitive information.

The company ' s security policy requires each team to have full control over the rotation of AWS KMS keys that the team uses for its respective microservices.

Which solution will meet these requirements?

Options:

Create AWS managed keys for all Lambda functions. Use the new AWS managed keys to encrypt the environment variables. Add kms:Decrypt permissions to the Lambda function execution roles.

Create customer managed keys for all Lambda functions. Use the new customer managed keys to encrypt the environment variables. Add kms:Decrypt permission to the Lambda function execution roles.

Create customer managed keys for all Lambda functions. Use the new customer managed keys to encrypt the environment variables. Add kms:CreateGrant permission and kms:Encrypt permission to the Lambda function execution roles.

Create AWS managed keys for all Lambda functions. Use the new AWS managed keys to encrypt the environment variables. Add kms:CreateGrant permission and kms:Encrypt permission to the Lambda function execution roles.

Discussion

Question 46

A company ' s developer has deployed an application in AWS by using AWS CloudFormation The CloudFormation stack includes parameters in AWS Systems Manager Parameter Store that the application uses as configuration settings. The application can modify the parameter values

When the developer updated the stack to create additional resources with tags, the developer noted that the parameter values were reset and that the values ignored the latest changes made by the application. The developer needs to change the way the company deploys the CloudFormation stack. The developer also needs to avoid resetting the parameter values outside the stack.

Which solution will meet these requirements with the LEAST development effort?

Options:

Modify the CloudFormation stack to set the deletion policy to Retain for the Parameter Store parameters.

Create an Amazon DynamoDB table as a resource in the CloudFormation stack to hold configuration data for the application Migrate the parameters that the application is modifying from Parameter Store to the DynamoDB table

Create an Amazon RDS DB instance as a resource in the CloudFormation stack. Create a table in the database for parameter configuration. Migrate the parameters that the application is modifying from Parameter Store to the configuration table

Modify the CloudFormation stack policy to deny updates on Parameter Store parameters

Discussion

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Question 47

A company built an online event platform For each event the company organizes quizzes and generates leaderboards that are based on the quiz scores. The company stores the leaderboard data in Amazon DynamoDB and retains the data for 30 days after an event is complete The company then uses a scheduled job to delete the old leaderboard data

The DynamoDB table is configured with a fixed write capacity. During the months when many events occur, the DynamoDB write API requests are throttled when the scheduled delete job runs.

A developer must create a long-term solution that deletes the old leaderboard data and optimizes write throughput

Which solution meets these requirements?

Options:

Configure a TTL attribute for the leaderboard data

Use DynamoDB Streams to schedule and delete the leaderboard data

Use AWS Step Functions to schedule and delete the leaderboard data.

Set a higher write capacity when the scheduled delete job runs