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Free AWS Certified Developer - Associate DVA-C02 Exam Braindumps (page: 58)

Page 57 of 141
PDF with 400 Questions

An application is real-time processing millions of events that are received through an API.
What service could be used to allow multiple consumers to process the data concurrently and MOST cost-effectively?

  1. Amazon SNS with fanout to an SQS queue for each application
  2. Amazon SNS with fanout to an SQS FIFO (first-in, first-out) queue for each application
  3. Amazon Kinesis Firehose
  4. Amazon Kinesis Data Streams

Answer(s): D



Given the following AWS CloudFormation template:
What is the MOST efficient way to reference the new Amazon S3 bucket from another AWS CloudFormation template?

  1. Add an Export declaration to the Outputs section of the original template and use ImportValue in other templates.
  2. Add Exported: true to the Content.Bucket in the original template and use ImportResource in other templates.
  3. Create a custom AWS CloudFormation resource that gets the bucket name from the ContentBucket resource of the first stack.
  4. Use Fn::Include to include the existing template in other templates and use the ContentBucket resource directly.

Answer(s): A



A developer has built an application that inserts data into an Amazon DynamoDB table. The table is configured to use provisioned capacity. The application is deployed on a burstable nano Amazon EC2 instance. The application logs show that the application has been failing because of a ProvisionedThroughputExceededException error.
Which actions should the developer take to resolve this issue? (Choose two.)

  1. Move the application to a larger EC2 instance.
  2. Increase the number of read capacity units (RCUs) that are provisioned for the DynamoDB table.
  3. Reduce the frequency of requests to DynamoDB by implementing exponential backoff.
  4. Increase the frequency of requests to DynamoDB by decreasing the retry delay.
  5. Change the capacity mode of the DynamoDB table from provisioned to on-demand.

Answer(s): C,E



A company is hosting a workshop for external users and wants to share the reference documents with the external users for 7 days. The company stores the reference documents in an Amazon S3 bucket that the company owns.
What is the MOST secure way to share the documents with the external users?

  1. Use S3 presigned URLs to share the documents with the external users. Set an expiration time of 7 days.
  2. Move the documents to an Amazon WorkDocs folder. Share the links of the WorkDocs folder with the external users.
  3. Create temporary IAM users that have read-only access to the S3 bucket. Share the access keys with the external users. Expire the credentials after 7 days.
  4. Create a role that has read-only access to the S3 bucket. Share the Amazon Resource Name (ARN) of this role with the external users.

Answer(s): A






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