DynamoDB uses only as a transport protocol, not as a storage format.
Answer(s): A
DynamoDB uses JSON only as a transport protocol, not as a storage format. The AWS SDKs use JSON to send data to DynamoDB, and DynamoDB responds with JSON, but DynamoDB does not store data persistently in JSON format.
http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Programming.LowLevelAPI.html
When you create a table in DynamoDB, which one of the following bits of information is not obligatory to be provided?
Answer(s): B
To create a table in DynamoDB, you should provide the table name, the attribute name for the primary Hash key, as well as throughput units, read and write units capacity.
http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/GettingStartedCreateTables.html
In the DynamoDB console, you can choose the _ tab to view some key CloudWatch metrics for a selected table.
Answer(s): D
In the DynamoDB console, you can choose the Metrics tab to view some key CloudWatch metrics for a selected table.
http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/MonitoringConsole_DynamoDB.html
Which of the following statements is correct of Amazon DynamoDB?
DynamoDB does not have a fixed schema. Instead, each data item may have a different number of attributes. Multiple data types (strings, numbers, binary, and sets) add richness to the data model.
http://awsdocs.s3.amazonaws.com/dynamodb/latest/dynamodb-dg.pdf
What kind of service is provided by AWS DynamoDB?
DynamoDB is a fast, fully managed NoSQL database service.
http://aws.amazon.com/dynamodb/
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