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

• A.Previously-created resources are kept but the stack creation terminates.
• B.Previously-created resources are deleted and the stack creation terminates.
• C.The stack creation continues, and the final results indicate which steps failed.
• D.CloudFormation templates are parsed in advance so stack creation is guaranteed to succeed.

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A developer has written an Amazon kinesis Data streams application. As usage grows and traffic over time, the application is regularly receiving provisionedThroughputExceededException error messages.
Which steps should the Developer take to resolve the error? (Select Two.)

• A.Use Auto scaling to scale the stream for better performance.
• B.Increase the delay between the GetRecords call and the PutRecords call.
• C.Increase the number of shards in the data stream.
• D.Specify a shard iterator using the shardlterator parameter.
• E.Implement exponential backoff on the GetRecords call and the PutRecords call.

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In DynamoDB, what type of HTTP response codes indicate that a problem was found with the client request sent to the service?

• A.5xx HTTP response code
• B.200 HTTP response code
• C.306 HTTP response code
• D.4xx HTTP response code

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What is the format of structured notification messages sent by Amazon SNS?

• A.An XML object containing MessageId, UnsubscribeURL, Subject, Message and other values
• B.An JSON object containing MessageId, DuplicateFlag, Message and other values
• C.An XML object containing MessageId, DuplicateFlag, Message and other values
• D.An JSON object containing MessageId, unsubscribeURL, Subject, Message and other values

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What item operation allows the retrieval of multiple items from a DynamoDB table in a single API call?

• A.GetItem
• B.BatchGetItem
• C.GetMultipleItems
• D.GetItemRange

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