AWS Certified Developer Associate DVA-C02 Practice Question
Which of the following is the BEST description of how Amazon DynamoDB Streams can be used with AWS Lambda?
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Amazon DynamoDB Streams automatically map to a Lambda function to make asynchronous write operations to the table when an item is accessed.
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Amazon DynamoDB Streams configure Lambda functions to send S3 event notifications when new items are added to a table.
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Amazon DynamoDB Streams are primarily used to perform bulk table operations like backups by invoking a Lambda function when a specific threshold is reached.
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Amazon DynamoDB Streams can invoke a Lambda function for each new log entry, processing the individual changes made to tables.
Amazon DynamoDB Streams are used to capture the changes made to DynamoDB tables at the item level. These streams can trigger AWS Lambda functions to process or act upon the change set recorded, allowing for real-time data processing and integration. Option B is correct because it aligns with the functionality offered by DynamoDB Streams, which provides a time-ordered sequence of item-level changes. It's important to note that these streams do not directly make bulk changes to tables or initiate table backups. While invoking Lambda functions with other sources like S3 event notifications is also possible, it's not the primary feature of DynamoDB Streams associated with event source mapping to Lambda.
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AWS Certified Developer Associate DVA-C02
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