CloudFront

Question 1

Edge Location

Answer 1

• the location where your content will be cached.
• is separate from an AWS Region
• can be read-only or read\write

Question 2

Origin

Answer 2

• origin of all the files the CDN will distribute
• can be an S3 Bucket, and EC2 Instance, and Elastic Load Balancer or Route53
• objects are cached for the life of the TTL (Time To Live)
• if you manually clear cached objects, you will be charged

Question 3

Distribution

Answer 3

• the name of the CDN which consists of a collection of Edge Locations

Question 4

Two types of CDNs

Answer 4

• Web Distribution - typically used for websites

- RTMP - used for Adobe Flash media streaming, not used very much anymore