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Amazon Web Services Updated DVA-C02 Exam Questions and Answers by archibald

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Amazon Web Services DVA-C02 Exam Overview :

Exam Name: AWS Certified Developer - Associate
Exam Code: DVA-C02 Dumps
Vendor: Amazon Web Services Certification: AWS Certified Associate
Questions: 344 Q&A's Shared By: archibald
Question 72

A developer has written the following IAM policy to provide access to an Amazon S3 bucket:

Questions 72

Which access does the policy allow regarding the s3:GetObject and s3:PutObject actions?

Options:

A.

Access on all buckets except the “DOC-EXAMPLE-BUCKET” bucket

B.

Access on all buckets that start with “DOC-EXAMPLE-BUCKET” except the “DOC-EXAMPLE-BUCKET/secrets” bucket

C.

Access on all objects in the “DOC-EXAMPLE-BUCKET” bucket along with access to all S3 actions for objects in the “DOC-EXAMPLE-BUCKET” bucket that start with “secrets”

D.

Access on all objects in the “DOC-EXAMPLE-BUCKET” bucket except on objects that start with “secrets”

Discussion
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Question 73

A developer is creating an application that must be able to generate API responses without backend integrations. Multiple internal teams need to work with the API while the application is still in development.

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

Options:

A.

Create an Amazon API Gateway REST API. Set up a proxy resource that has the HTTP proxy integration type.

B.

Create an Amazon API Gateway HTTP API. Provision a VPC link, and set up a private integration on the API to connect to a VPC.

C.

Create an Amazon API Gateway HTTP API. Enable mock integration on the method of the API resource.

D.

Create an Amazon API Gateway REST API. Enable mock integration on the method of the API resource.

Discussion
Question 74

A developer is creating an application that will give users the ability to store photos from their cellphones in the cloud. The application needs to support tens of thousands of users. The application uses an Amazon API Gateway REST API that is integrated with AWS Lambda functions to process the photos. The application stores details about the photos in Amazon DynamoDB.

Users need to create an account to access the application. In the application, users must be able to upload photos and retrieve previously uploaded photos. The photos will range in size from 300 KB to 5 MB.

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

Options:

A.

Use Amazon Cognito user pools to manage user accounts. Create an Amazon Cognito user pool authorizer in API Gateway to control access to the API. Use the Lambda function to store the photos and details in the DynamoDB table. Retrieve previously uploaded photos directly from the DynamoDB table.

B.

Use Amazon Cognito user pools to manage user accounts. Create an Amazon Cognito user pool authorizer in API Gateway to control access to the API. Use the Lambda function to store the photos in Amazon S3. Store the object's S3 key as part of the photo details in the DynamoDB table. Retrieve previously uploaded photos by querying DynamoDB for the S3 key.

C.

Create an IAM user for each user of the application during the sign-up process. Use IAM authentication to access the API Gateway API. Use the Lambda function to store the photos in Amazon S3. Store the object's S3 key as part of the photo details in the DynamoDB table. Retrieve previously uploaded photos by querying DynamoDB for the S3 key.

D.

Create a users table in DynamoDB. Use the table to manage user accounts. Create a Lambda authorizer that validates user credentials against the users table. Integrate the Lambda authorizer with API Gateway to control access to the API. Use the Lambda function to store the photos in Amazon S3. Store the object's S3 key as par of the photo details in the DynamoDB table. Retrieve previously uploaded photos by querying DynamoDB for the S3 key.<

Discussion
Question 75

An 1AM role is attached to an Amazon EC2 instance that explicitly denies access to all Amazon S3 API actions. The EC2 instance credentials file specifies the 1AM access key and secret access key, which allow full administrative access.

Given that multiple modes of 1AM access are present for this EC2 instance, which of the following is correct?

Options:

A.

The EC2 instance will only be able to list the S3 buckets.

B.

The EC2 instance will only be able to list the contents of one S3 bucket at a time.

C.

The EC2 instance will be able to perform all actions on any S3 bucket.

D.

The EC2 instance will not be able to perform any S3 action on any S3 bucket.

Discussion
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