AWS Certified Developer - Associate DVA-C02Demo

By Amazon · Question Mode

QuestionQ12

Troubleshooting and Optimization

A developer is building an application that uses Amazon DynamoDB. The developer wants to retrieve multiple specific items from the database with a single API call.

Which DynamoDB API call will meet these requirements with the MINIMUM impact on the database?

  • A BatchGetItem
  • B GetItem
  • C Scan
  • D Query
Explanation

BatchGetItem is the DynamoDB API designed to retrieve multiple specific items in a single call with minimal database impact. Unlike Query (which searches by condition) or Scan (which reads the entire table), BatchGetItem efficiently fetches only the requested items by key.

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