Amazon Web Services crack4sure dva-c02 Actual Questions by Francisco q65 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:	francisco

Question 16

A developer is deploying an AWS Lambda function The developer wants the ability to return to older versions of the function quickly and seamlessly.

How can the developer achieve this goal with the LEAST operational overhead?

Options:

Use AWS OpsWorks to perform blue/green deployments.

Use a function alias with different versions.

Maintain deployment packages for older versions in Amazon S3.

Use AWS CodePipeline for deployments and rollbacks.

Discussion

Question 17

A developer is monitoring an application that runs on an Amazon EC2 Instance. The developer has configured a custom Amazon CloudWatch metric with data granularity of 1 second. It any issues occur, the developer wants to be notified within 30 seconds by Amazon Simple Notification Service (Amazon SNS).

What should the developer do to meet this requirement?

Options:

Configure a high-resolution CloudWatch alarm.

Set up a custom CloudWatch dashboard.

Use Amazon CloudWatch Logs Insights.

Change to a default CloudWatch metric.

Discussion

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Question 18

A developer is working on an ecommerce platform that communicates with several third-party payment processing APIs The third-party payment services do not provide a test environment.

The developer needs to validate the ecommerce platform's integration with the third-party payment processing APIs. The developer must test the API integration code without invoking the third-party payment processing APIs.

Which solution will meet these requirements'?

Options:

Set up an Amazon API Gateway REST API with a gateway response configured for status code 200 Add response templates that contain sample responses captured from the real third-party API.

Set up an AWS AppSync GraphQL API with a data source configured for each third-party API Specify an integration type of Mock Configure integration responses by using sample responses captured from the real third-party API.

Create an AWS Lambda function for each third-party API. Embed responses captured from the real third-party API. Configure Amazon Route 53 Resolver with an inbound endpoint for each Lambda function's Amazon Resource Name (ARN).

Set up an Amazon API Gateway REST API for each third-party API Specify an integration request type of Mock Configure integration responses by using sample responses captured from the real third-party API

Discussion

Question 19

A developer is building a microservice that uses AWS Lambda to process messages from an Amazon Simple Queue Service (Amazon SQS) standard queue. The Lambda function calls external APIs to enrich the SOS message data before loading the data into an Amazon Redshift data warehouse. The SOS queue must handle a maximum of 1.000 messages per second.

During initial testing, the Lambda function repeatedly inserted duplicate data into the Amazon Redshift table. The duplicate data led to a problem with data analysis. All duplicate messages were submitted to the queue within 1 minute of each other.

How should the developer resolve this issue?

Options:

Create an SOS FIFO queue. Enable message deduplication on the SOS FIFO queue.

Reduce the maximum Lambda concurrency that the SOS queue can invoke.

Use Lambda's temporary storage to keep track of processed message identifiers.

Configure a message group ID for every sent message. Enable message deduplication on the SQS standard queue.

Discussion

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