A Company Is Managing a NoSQL Database On-Premises to Host

question 170

Multiple Choice

A company is managing a NoSQL database on-premises to host a critical component of an application, which is starting to have scaling issues. The company wants to migrate the application to Amazon DynamoDB with the following considerations: Optimize frequent queries Reduce read latencies Plan for frequent queries on certain key attributes of the table Which solution would help achieve these objectives?

• A) Create global secondary indexes on keys that are frequently queried. Add the necessary attributes into the indexes.
• B) Create local secondary indexes on keys that are frequently queried. DynamoDB will fetch needed attributes from the table.
• C) Create DynamoDB global tables to speed up query responses. Use a scan to fetch data from the table.
• D) Create an AWS Auto Scaling policy for the DynamoDB table.

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Definitions:

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