SAA-C03 Question #478: Real Exam Question with Answer & Explanation

Question

A global ecommerce company is planning to enhance its AWS data storage architecture to improve system availability and resilience. The company handles millions of daily transactions in relational form. It stores unstructured data in the form of images over 4 MB in size. The solution must provide continuous operation in multiple geographic locations, minimize downtime/data loss, and support both transactional and unstructured data. Which solution will meet these requirements?

Options

• AUse Amazon RDS Multi-AZ deployments for transaction data. Use Amazon DynamoDB global
• BUse an Amazon Aurora global database for transaction data. Use Amazon S3 with Cross-Region
• CUse Amazon DynamoDB global tables for both transaction data and unstructured data.
• DUse an Amazon Aurora global database for transaction data. Use Amazon Elastic File System

Explanation

Aurora Global Database is designed for low-latency cross-Region reads and disaster recovery for relational data. Amazon S3 Cross-Region Replication (CRR) automatically replicates unstructured data to another Region, ensuring high availability and resilience. "Aurora Global Database replicates your data with typical latency of less than 1 second to secondary AWS Regions." "Amazon S3 Cross-Region Replication automatically replicates every object uploaded to your bucket to a destination bucket in another AWS Region." This combination meets the multi-Region, high availability, fault-tolerant requirement for both relational and unstructured data.

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