Amazon CloudFront is a content delivery network (CDN) that accelerates the delivery of websites, APIs, video content, and other web assets. It leverages a global network of edge locations to cache content closer to users, reducing latency and improving access speed. The correct choice, CloudFront, is designed specifically to work as a CDN, leveraging the distributed nature of its infrastructure to bring content closer to users, which speeds up the distribution. Whereas the other listed services have different primary purposes: Amazon ElastiCache is used for in-memory data caching within the AWS cloud and does not provide CDN capabilities; AWS Direct Connect establishes dedicated network connections between an on-premises network and AWS, which is not directly related to content distribution; AWS Lambda executes code in response to events in a serverless manner and though it can be deployed at the edge with Lambda@Edge, it is not a CDN service.
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What exactly is a Content Delivery Network (CDN)?
How does Amazon CloudFront specifically improve access speed?
What are some of the other AWS services mentioned in the options and what are their purposes?