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Some new questions:
Q
A company is creating a new application that gives users the ability to upload and share short video files. The average size of the video files is 10 MB. After a user uploads a file, a message needs to be placed into an Amazon Simple Queue Service (Amazon SQS) queue so the file can be processed. The files need to be accessible for processing within 5 minutes.
Which solution will meet these requirements MOST cost-effectively?
A. Write the files to Amazon S3 Glacier Deep Archive. Add the S3 location of the files to the SQS queue.
B. Write the files to Amazon S3 Standard. Add the S3 location of the files to the SQS queue.
C. Write the files to an Amazon Elastic Block Store (Amazon EBS) General Purpose SSD volume. Add the EBS location of the files to the SQS queue.
D. Write messages that contain the contents of the uploaded files to the SQS queue.
Q
A developer needs to retrieve all data from an Amazon DynamoDB table that matches a particular partition key.
Which solutions will meet this requirement in the MOST operationally efficient way? (Select TWO.)
A. Use the Scan API and a filter expression to match on the key.
B. Use the GetItem API with a request parameter for key that contains the partition key name and specific key value.
C. Use the ExecuteStatement API and a filter expression to match on the key.
D. Use the GetItem API and a PartiQL statement to match on the key.
E. Use the ExecuteStatement API and a PartiQL statement to match on the key.
Q
A company has a web application that contains an Amazon API Gateway REST API. A developer has created an AWS CloudFormation template for the initial deployment of the application. The developer has deployed the application successfully as part of an AWS CodePipeline continuous integration and continuous delivery (CI/CD) process. All resources and methods are available through the deployed stage endpoint.
The CloudFormation template contains the following resource types:
* AWS::ApiGateway::RestApi
* AWS::ApiGateway::Resource
* AWS::ApiGateway::Method
* AWS:ApiGateway::Stage
* AWS::ApiGateway:;Deployment
The developer adds a new resource to the REST API with additional methods and redeploys the template. CloudFormation reports that the deployment is successful and that the stack is in the UPDATE_COMPLETE state. However, calls to all new methods are returning 404 (Not Found) errors.
What should the developer do to make the new methods available?
A. Specify the disable-rollback option during the update-stack operation.
B. Unset the Cloud Forma lion stack failure options.
C. Add an AWS CodeBuild stage lo CodePipeline to run the aws apigateway create-deployment AWS CLI command.
D. Add an action to CodePipeline to run the aws cloudfront create-invalidation AWS CLI command.
Q
A company is developing an application that will be accessed through the Amazon API Gateway REST API. Registered users should be the only ones who can access certain resources of this API. The token being used should expire automatically and needs to be refreshed periodically.
How can a developer meet these requirements?
A. Create an Amazon Cognito identity pool, configure the Amazon Cognito Authorizer in API Gateway, and use the temporary credentials generated by the identity pool.
B. Create and maintain a database record for each user with a corresponding token and use an AWS Lambda authorizer in API Gateway.
C. Create an Amazon Cognito user pool, configure the Cognito Authorizer in API Gateway, and use the identity or access token.
D. Create an 1AM user for each API user, attach an invoke permissions policy to the API. and use an I AM authorizer in API Gateway.
…….