Amazon Web Services certshero free Access Dva-c02 New Release by Koda q7 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:	546 Q&A's	Shared By:	koda

Question 68

A developer writes an AWS Lambda function that processes new object uploads to an Amazon S3 bucket. The Lambda function runs for approximately 30 seconds. The function runs as expected under normal load conditions. Other Lambda functions in the AWS account also run as expected.

Occasionally, up to 500 new objects are written to the bucket every minute. Each new object write invokes the processing Lambda function during the high-volume periods through an event notification.

The developer must ensure that the processing function continues to run as expected during the high-volume periods.

Which solution will meet this requirement?

Options:

Modify the function ' s timeout setting.

Add an additional Lambda layer to optimize the code execution.

Configure a reserved concurrency quota for the function.

Decrease the function ' s memory allocation.

Discussion

Question 69

A developer is migrating a containerized application from an on-premises environment to the AWS Cloud. The developer is using the AWS CDK to provision a container in Amazon ECS on AWS Fargate. The container is behind an Application Load Balancer (ALB).

When the developer deploys the stack, the deployment fails because the ALB fails health checks. The developer needs to resolve the failed health checks.

Which solutions will meet this requirement? (Select TWO.)

Options:

Confirm that the capacity providers for the container have been provisioned and are properly sized.

Confirm that the target group port matches the port mappings in the ECS task definition.

Confirm that a hosted zone associated with the ALB matches a hosted zone that is referenced in the ECS task definition.

Confirm that the ALB listener on the mapped port has a default action that redirects to the application ' s health check path endpoint.

Confirm that the ALB listener on the mapped port has a default action that forwards to the correct target group.

Discussion

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Question 70

A company needs to develop a proof of concept for a web service application. The application will show the weather forecast for one of the company ' s office locations. The application will provide a REST endpoint that clients can call. Where possible, the application should use caching features provided by AWS to limit the number of requests to the backend service. The application backend will receive a small amount of traffic only during testing.

Which approach should the developer take to provide the REST endpoint MOST cost-effectively?

Options:

Create a container image. Deploy the container image by using Amazon EKS. Expose the functionality by using Amazon API Gateway.

Create an AWS Lambda function by using AWS SAM. Expose the Lambda functionality by using Amazon API Gateway.

Create a container image. Deploy the container image by using Amazon ECS. Expose the functionality by using Amazon API Gateway.

Create a microservices application. Deploy the application to AWS Elastic Beanstalk. Expose the AWS Lambda functionality by using an Application Load Balancer.

Discussion

Question 71

A social media application is experiencing high volumes of new user requests after a recent marketing campaign. The application is served by an Amazon RDS for MySQL instance. A solutions architect examines the database performance and notices high CPU usage and many " too many connections " errors that lead to failed requests on the database. The solutions architect needs to address the failed requests.

Which solution will meet this requirement?

Options:

Deploy an Amazon DynamoDB Accelerator (DAX) cluster. Configure the application to use the DAX cluster.

Deploy an RDS Proxy. Configure the application to use the RDS Proxy.

Migrate the database to an Amazon RDS for PostgreSQL instance.

Deploy an Amazon ElastiCache (Redis OSS) cluster. Configure the application to use the ElastiCache cluster.