AWS Certified Database – Specialty – Question177

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?

A.
Amazon DynamoDB global tables
B. Amazon DynamoDB streams with AWS Lambda to replicate the data
C. An Amazon ElastiCache for Redis cluster with cluster mode enabled and multiple shards
D. An Amazon Aurora global database

Correct Answer: A

Explanation:

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.
Reference: https://aws.amazon.com/dynamodb/global-tables/