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Difficulty: EasyAWS Global Infrastructure

When deploying a web application, a developer wants to use Amazon CloudFront to serve static content from the closest physical point of presence to global users. Which component of the AWS Global Infrastructure hosts this service to reduce latency?

  1. A
    Availability Zones
  2. B
    AWS Regions
  3. Edge LocationsAnswer
  4. D
    Local Zones

Answer

Edge Locations
Edge Locations are the physical points of presence used by AWS to cache content (such as static images or videos) closer to end users via services like Amazon CloudFront. This minimizes latency by reducing the distance the data must travel.

Step-by-Step Solution

1
Analyze the requirement for caching static content closer to users worldwide.
Identified that the application uses Amazon CloudFront as a Content Delivery Network (CDN) to reduce latency.
This establishes that the service in question is an edge-based content distribution service.
2
Determine which AWS Global Infrastructure component supports Amazon CloudFront caching.
Edge Locations are identified as the physical points of presence that host CloudFront caches.
This matches the definition of Edge Locations, which exist specifically to cache content closer to end users globally.

Key Concept

AWS Edge Locations
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Topics

AWS Global Infrastructure

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