Amazon Web Services certleader dva-c02 Reviews Questions by Philip 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:	425 Q&A's	Shared By:	philip

Question 56

An application that is hosted on an Amazon EC2 instance needs access to files that are stored in an Amazon S3 bucket. The application lists the objects that are stored in the S3 bucket and displays a table to the user. During testing, a developer discovers that the application does not show any objects in the list.

What is the MOST secure way to resolve this issue?

Options:

Update the IAM instance profile that is attached to the EC2 instance to include the S3:* permission for the S3 bucket.

Update the IAM instance profile that is attached to the EC2 instance to include the S3:ListBucket permission for the S3 bucket.

Update the developer's user permissions to include the S3:ListBucket permission for the S3 bucket.

Update the S3 bucket policy by including the S3:ListBucket permission and by setting the Principal element to specify the account number of the EC2 instance.

Discussion

Question 57

A company developed an API application on AWS by using Amazon CloudFront, Amazon API Gateway, and AWS Lambda. The API has a

minimum of four requests every second. A developer notices that many API users run the same query by using the POST method. The developer

wants to cache the POST request to optimize the API resources.

Which solution will meet these requirements?

Options:

Configure the CloudFront cache. Update the application to return cached content based upon the default request headers.

Override the cache method in the selected stage of API Gateway. Select the POST method.

Save the latest request response in Lambda /tmp directory. Update the Lambda function to check the /tmp directory.

Save the latest request in AWS Systems Manager Parameter Store. Modify the Lambda function to take the latest request response from Parameter Store.

Discussion

Question 58

A company is building a scalable data management solution by using AWS services to improve the speed and agility of development. The solution will ingest large volumes of data from various sources and will process this data through multiple business rules and transformations.

The solution requires business rules to run in sequence and to handle reprocessing of data if errors occur when the business rules run. The company needs the solution to be scalable and to require the least possible maintenance.

Which AWS service should the company use to manage and automate the orchestration of the data flows to meet these requirements?

Options:

AWS Batch

AWS Step Functions

AWS Glue

AWS Lambda

Discussion

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Question 59

A developer must cache dependent artifacts from Maven Central, a public package repository, as part of an application's build pipeline. The build pipeline has an AWS CodeArtifact repository where artifacts of the build are published. The developer needs a solution that requires minimum changes to the build pipeline.

Which solution meets these requirements?

Options:

Modify the existing CodeArtifact repository to associate an upstream repository with the public package repository.

Create a new CodeArtifact repository that has an external connection to the public package repository.

Create a new CodeArtifact domain that contains a new repository that has an external connection to the public package repository.

Modify the CodeArtifact repository resource policy to allow artifacts to be fetched from the public package repository.

Discussion

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