Amazon Web Services nwexams ace Your Dva-c02 Aws Certified Associate Exam by Avery q26 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:	292 Q&A's	Shared By:	avery

Question 40

A developer is updating an Amazon API Gateway REST API to have a mock endpoint. The developer wants to update the integration request mapping template so the endpoint will respond to mock integration requests with specific HTTP status codes based on various conditions.

Options:

{ if( $input.params(‘integration’) == "mock" ) "statusCode": 404 else "statusCode": 500 end }

{ if( $input.params('scope') == "internal" ) "statusCode": 200 else "statusCode": 500 end }

{ if( $input.path("integration") ) "statusCode": 200 else "statusCode":404 end }

{ if( $context.integration.status ) "statusCode": 200 else "statusCode": 500 end }

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Question 41

A developer uses AWS CloudFormation to deploy an Amazon API Gateway API and an AWS Step Functions state machine The state machine must reference the API Gateway API after the CloudFormation template is deployed The developer needs a solution that uses the state machine to reference the API Gateway endpoint.

Which solution will meet these requirements MOST cost-effectively?

Options:

Configure the CloudFormation template to reference the API endpoint in the DefinitionSubstitutions property for the AWS StepFunctions StateMachme resource.

Configure the CloudFormation template to store the API endpoint in an environment variable for the AWS::StepFunctions::StateMachine resourc Configure the state machine to reference the environment variable

Configure the CloudFormation template to store the API endpoint in a standard AWS: SecretsManager Secret resource Configure the state machine to reference the resource

Configure the CloudFormation template to store the API endpoint in a standard AWS::AppConfig;:ConfigurationProfile resource Configure the state machine to reference

the resource.

Discussion

Question 42

A developer maintains an Amazon API Gateway REST API. Customers use the API through a frontend UI and Amazon Cognito authentication.

The developer has a new version of the API that contains new endpoints and backward-incompatible interface changes. The developer needs to provide beta access to other developers on the team without affecting customers.

Which solution will meet these requirements with the LEAST operational overhead?

Options:

Define a development stage on the API Gateway API. Instruct the other developers to point the endpoints to the development stage.

Define a new API Gateway API that points to the new API application code. Instruct the other developers to point the endpoints to the new API.

Implement a query parameter in the API application code that determines which code version to call.

Specify new API Gateway endpoints for the API endpoints that the developer wants to add.

Discussion

Question 43

An application interacts with Amazon Aurora to store and track customer information. The primary database is set up with multiple read replicas for improving the performance of the read queries. However, one of the Aurora replicas is receiving most or all of the traffic, while the other Aurora replica remains idle.

How can this issue be resolved?

Options:

Disable application-level DNS caching.

Enable application-level DNS caching.

Enable application pooling.

Disable application pooling.

Discussion

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