AWS Certified Developer Associate DVA-C01 – Question327

A company manages a financial services application that stores a large volume of data in an Amazon DynamoDB table. A developer needs to improve the performance of the DynamoDB read queries without increasing the cost.
Which solution meets these requirements?

A.
Use parallel scans.
B. Add a local secondary index (LSI).
C. Create a DynamoDB Accelerator (DAX) cluster.
D. Query with the ProjectionExpression parameter.

Correct Answer: A