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DBS-C01 · Question #187

A company is building a web application on AWS. The application requires the database to support read and write operations in multiple AWS Regions simultaneously. The database also needs to…

The correct answer is A. Amazon DynamoDB global tables. Global tables enable you to read and write your data locally providing single-digit-millisecond latency for your globally distributed application at any scale.

Submitted by fatima_kr· Mar 6, 2026Workload-Specific Database Design

Question

A company is building a web application on AWS. The application requires the database to support read and write operations in multiple AWS Regions simultaneously. The database also needs to propagate data changes between Regions as the changes occur. The application must be highly available and must provide latency of single-digit milliseconds. Which solution meets these requirements?

Options

  • AAmazon DynamoDB global tables
  • BAmazon DynamoDB streams with AWS Lambda to replicate the data
  • CAn Amazon ElastiCache for Redis cluster with cluster mode enabled and multiple shards
  • DAn Amazon Aurora global database

How the community answered

(56 responses)
  • A
    75% (42)
  • B
    7% (4)
  • C
    4% (2)
  • D
    14% (8)

Explanation

Global tables enable you to read and write your data locally providing single-digit-millisecond latency for your globally distributed application at any scale.

Topics

#DynamoDB global tables#Multi-Region deployment#High availability#Active-active replication

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