DVA-C02 Cert Exam & New DVA-C02 Exam Pattern

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Amazon AWS Certified Developer - Associate Sample Questions (Q376-Q381):

NEW QUESTION # 376
A developer has a legacy application that is hosted on-premises. Other applications hosted on AWS depend on the on-premises application for proper functioning. In case of any application errors, the developer wants to be able to use Amazon CloudWatch to monitor and troubleshoot all applications from one place.
How can the developer accomplish this?

A. Upload log files from the on-premises server to an Amazon EC2 instance and have the instance forward the logs to CloudWatch.
B. Upload log files from the on-premises server to Amazon S3 and have CloudWatch read the files.
C. Install an AWS SDK on the on-premises server to automatically send logs to CloudWatch.
D. Download the CloudWatch agent to the on-premises server. Configure the agent to use IAM user credentials with permissions for CloudWatch.

Answer: D

NEW QUESTION # 377
A company is preparing to migrate an application to the company's first AWS environment.
Before this migration, a developer is creating a proof-of-concept application to validate a model for building and deploying container-based applications on AWS.
Which combination of steps should the developer take to deploy the containerized proof-of- concept application with the LEAST operational effort? (Choose two.)

A. Deploy the application to an Amazon EC2 instance by using AWS CodeDeploy.
B. Deploy the application to Amazon Elastic Container Service (Amazon ECS) on AWS Fargate.
C. Package the application into a .zip file by using a command line tool. Upload the package to Amazon S3.
D. Package the application into a container image by using the Docker CLI. Upload the image to Amazon Elastic Container Registry (Amazon ECR).
E. Deploy the application to Amazon Elastic Kubernetes Service (Amazon EKS) on AWS Fargate.

Answer: B,D

Explanation:
https://aws.amazon.com/getting-started/hands-on/deploy-docker-containers/

NEW QUESTION # 378
A company has a virtual reality (VR) game. The game has a serverless backend that consists of Amazon API Gateway, AWS Lambda, and Amazon DynamoDB. Recently, the company noticed a sudden increase of new users globally. The company also noticed delays in the retrieval of user data.
Which AWS service or feature can the company use to reduce the database response time to microseconds?

A. DynamoDB Accelerator (DAX)
B. DynamoDB auto scaling
C. Amazon CloudFront
D. Amazon ElastiCache

Answer: A

NEW QUESTION # 379
A developer is creating an AWS Step Functions state machine to handle an order processing workflow. When the state machine receives an order, the state machine pauses until the order has been confirmed. A record that is added to an Amazon DynamoDB table by another service confirms each order.
The developer must complete the order processing workflow.
Which solution will meet this requirement?

A. Invoke an AWS Lambda function from the state machine. Configure the Lambda function to continuously poll the DynamoDB table for the appropriate record and to return when a record exists. Continue the state machine invocation when the Lambda function returns. If the Lambda function times out, then fail the state machine.
B. Update the state machine to query the DynamoDB table by using the DynamoDB GetItem state to determine whether a record exists. If the record does exist, continue to the next state. If the record does not exist, wait 5 minutes and check again.
C. Subscribe an AWS Lambda function to a DynamoDB table stream. Configure the Lambda function to run when a new record is added to the table.
When the Lambda function receives the appropriate record, run the redrive execution command on the running state machine.
D. Subscribe an AWS Lambda function to the DynamoDB table stream. Configure the Lambda function to run when a new record is added to the table.
When the Lambda function receives the appropriate record, stop the current state machine invocation and start a new invocation.

Answer: C

NEW QUESTION # 380
A company is updating an application to move the backend of the application from Amazon EC2 instances to a serverless model. The application uses an Amazon RDS for MySQL DB instance and runs in a single VPC on AWS. The application and the DB instance are deployed in a private subnet in the VPC.
The company needs to connect AWS Lambda functions to the DB instance.
Which solution will meet these requirements?

A. Create Lambda functions inside the VPC with the AWSLambdaBasicExecutionRole policy attached to the Lambda execution role. Modify the RDS security group to allow inbound access from the Lambda security group.
B. Create Lambda functions inside the VPC with the AWSLambdaVPCAccessExecutionRole policy attached to the Lambda execution role. Modify the RDS security group to allow inbound access from the Lambda security group.
C. Create Lambda functions with the AWSLambdaBasicExecutionRole policy attached to the Lambda execution role. Create an interface VPC endpoint for the Lambda functions. Configure the interface endpoint policy to allow the lambda:InvokeFunclion action for each Lambda function's Amazon Resource Name (ARN).
D. Create Lambda functions with the AWSLambdaVPCAccessExecutionRole policy attached to the Lambda execution role. Create an interface VPC endpoint for the Lambda functions. Configure the interface endpoint policy to allow the lambda:InvokeFunction action for each Lambda function's Amazon Resource Name (ARN).

Answer: B

Explanation:
The AWSLambdaVPCAccessExecutionRole policy allows the Lambda function to create elastic network interfaces (ENIs) in the VPC and use the security groups attached to those ENIs for controlling inbound and outbound traffic.

NEW QUESTION # 381
......

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DVA-C02 Cert Exam & New DVA-C02 Exam Pattern

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New Amazon DVA-C02 Exam Pattern & DVA-C02 Test Price

Amazon AWS Certified Developer - Associate Sample Questions (Q376-Q381):

Beware! Get Real Amazon DVA-C02 Dumps for Easy Exam Prep

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