Answer: Global infrastructure

**Correct Answer: A - Global infrastructure** **Explanation:** AWS's global infrastructure is specifically designed to provide low latency to users worldwide through: 1. **AWS Regions**: Multiple geographic locations where AWS has data centers 2. **Availability Zones**: Isolated locations within regions for high availability 3. **Edge Locations**: Points of presence for content delivery through Amazon CloudFront 4. **Regional Edge Caches**: Locations between origin servers and edge locations **Why other options are incorrect:** - **B. Pay as-you-go pricing**: This is about cost optimization and billing flexibility, not latency reduction. - **C. Managed services**: These reduce operational overhead but don't directly address global latency. - **D. Economy of scale**: This refers to cost benefits from AWS's large-scale operations, not latency optimization. **Key Concept:** AWS's global infrastructure allows companies to deploy applications closer to end-users, reducing network latency and improving performance for users around the world.

Author: Ritesh Yadav