AWS Certified Cloud Practitioner
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Which part of the AWS Global Infrastructure does Amazon CloudFront use to cache copies of content for rapid delivery to global users?
Real Exam
Community
RRitesh
0
A
Edge locations
B
Availability Zones
C
AWS Regions
D
Local Zones
Explanation:
Explanation
Amazon CloudFront is AWS's Content Delivery Network (CDN) service that accelerates the delivery of your websites, APIs, video content, and other web assets.
Edge locations are the correct answer because:
- Edge locations are physical data centers located in major cities around the world that cache copies of your content
- When users request content through CloudFront, the request is routed to the nearest edge location
- If the content is already cached at that edge location, it's delivered immediately
- If not cached, CloudFront retrieves it from the origin (like an S3 bucket or web server) and caches it for future requests
Why the other options are incorrect:
- Availability Zones: These are isolated locations within AWS Regions that provide high availability and fault tolerance, but they are not specifically designed for content caching and delivery
- AWS Regions: These are large geographic areas containing multiple Availability Zones, serving as the primary infrastructure for running applications
- Local Zones: These are extensions of AWS Regions that place compute, storage, and other services closer to large population and industry centers, but they are not the primary caching infrastructure for CloudFront
CloudFront's global network of edge locations enables low-latency content delivery by bringing content physically closer to end users worldwide.
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