Amazon Web Services exactexam dva-c02 Questions Bank by Rosabella 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:	197 Q&A's	Shared By:	rosabella

Question 32

A company is offering APIs as a service over the internet to provide unauthenticated read access to statistical information that is updated daily. The company uses Amazon API Gateway and AWS Lambda to develop the APIs. The service has become popular, and the company wants to enhance the responsiveness of the APIs.

Which action can help the company achieve this goal?

Options:

Enable API caching in API Gateway.

Configure API Gateway to use an interface VPC endpoint.

Enable cross-origin resource sharing (CORS) for the APIs.

Configure usage plans and API keys in API Gateway.

Discussion

Question 33

A company is running a custom application on a set of on-premises Linux servers that are accessed using Amazon API Gateway. AWS X-Ray tracing has been enabled on the API test stage.

How can a developer enable X-Ray tracing on the on-premises servers with the LEAST amount of configuration?

Options:

Install and run the X-Ray SDK on the on-premises servers to capture and relay the data to the X-Ray service.

Install and run the X-Ray daemon on the on-premises servers to capture and relay the data to the X-Ray service.

Capture incoming requests on-premises and configure an AWS Lambda function to pull, process, and relay relevant data to X-Ray using the PutTraceSegments API call.

Capture incoming requests on-premises and configure an AWS Lambda function to pull, process, and relay relevant data to X-Ray using the PutTelemetryRecords API call.

Discussion

Question 34

A company is building a compute-intensive application that will run on a fleet of Amazon EC2 instances. The application uses attached Amazon

Elastic Block Store (Amazon EBS) volumes for storing data. The Amazon EBS volumes will be created at time of initial deployment. The

application will process sensitive information. All of the data must be encrypted. The solution should not impact the application's performance.

Which solution will meet these requirements?

Options:

Configure the fleet of EC2 instances to use encrypted EBS volumes to store data.

Configure the application to write all data to an encrypted Amazon S3 bucket.

Configure a custom encryption algorithm for the application that will encrypt and decrypt all data.

Configure an Amazon Machine Image (AMI) that has an encrypted root volume and store the data to ephemeral disks.

Discussion

Question 35

A developer is designing a serverless application for a game in which users register and log in through a web browser The application makes requests on behalf of users to a set of AWS Lambda functions that run behind an Amazon API Gateway HTTP API

The developer needs to implement a solution to register and log in users on the application's sign-in page. The solution must minimize operational overhead and must minimize ongoing management of user identities.

Which solution will meet these requirements'?

Options:

Create Amazon Cognito user pools for external social identity providers Configure 1AM roles for the identity pools.

Program the sign-in page to create users' 1AM groups with the 1AM roles attached to the groups

Create an Amazon RDS for SQL Server DB instance to store the users and manage the permissions to the backend resources in AWS

Configure the sign-in page to register and store the users and their passwords in an Amazon DynamoDB table with an attached IAM policy.

Discussion

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