Category «AWS-CDA»

Which statements about DynamoDB are true?

Which statements about DynamoDB are true? Choose 2 answers A. DynamoDB uses optimistic concurrency control B. DynamoDB restricts item access during writes C. DynamoDB uses a pessimistic locking model D. DynamoDB restricts item access during reads E. DynamoDB uses conditional writes for consistency Show Answer

What could be an explanation for this?

You are writing to a DynamoDB table and receive the following exception:”ProvisionedThroughputExceededException”. though according to your Cloudwatch metricsfor the table, you are not exceeding your provisioned throughput. What could be anexplanation for this? A. You haven’t provisioned enough DynamoDB storage instances B. You’re exceeding your capacity on a particular Range Key C. You’re exceeding your …

How can Company A provide only paid subscribers the ability to download a premier content file in the S3 bucke

Company A has an S3 bucket containing premier content that they intend to make availableto only paid subscribers of their website. The S3 bucket currently has default permissions ofall objects being private to prevent inadvertent exposure of the premier content tonon-paying website visitors. How can Company A provide only paid subscribers the abilityto download a …

What happens, by default, when one of the resources in a CloudFormation stack cannot be created?

What happens, by default, when one of the resources in a CloudFormation stack cannot becreated? A. The stack creation continues, and the final results indicate which steps failed. B. CloudFormation templates are parsed in advance so stack creation is guaranteed to succeed. C. Previously-created resources are kept but the stack creation terminates. D. Previously-created resources …

What could explain this behavior?

You attempt to store an object in the US-STANDARD region in Amazon S3, and receive aconfirmation that it has been successfully stored. You then immediately make another APIcall and attempt to read this object. S3 tells you that the object does not exist What couldexplain this behavior? A. US-STANDARD imposes a 1 second delay before …