1. What is Amazon CloudFront and how does it work?
Answer: Amazon CloudFront is a content delivery network (CDN) that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds, all within a developer-friendly environment. CloudFront works by caching content at edge locations around the world, so when a user requests content, it is delivered from the nearest edge location, providing faster and more reliable delivery.
2. What are the use cases for Amazon CloudFront?
Answer: The use cases for Amazon CloudFront include accelerating static website content delivery, serving video on demand or live streaming video, encrypting specific fields throughout system processing, customizing at the edge, and serving private content by using Lambda@Edge customizations.
3. How can I get started with Amazon CloudFront?
Answer: To get started with Amazon CloudFront, you need to sign up for an AWS account, create an administrative user, set up the AWS Command Line Interface or AWS Tools for Windows PowerShell, and download an AWS SDK. Once you have done that, you can create a CloudFront distribution, upload your content to Amazon S3, and access your content through CloudFront.
4. How can I customize file URLs in Amazon CloudFront?
Answer: To customize file URLs in Amazon CloudFront, you can use your own domain name (example.com), use a trailing slash (/) in URLs, or create signed URLs for restricted content.
5. How can I optimize caching and availability in Amazon CloudFront?
Answer: To optimize caching and availability in Amazon CloudFront, you can use Origin Shield, cache based on query string parameters, and specify how long CloudFront caches your objects. You can also improve your cache hit ratio by using caching with edge locations.