Cloud Front the dynamic route service

AWS CloudFront  is a CDN   (Content Delivery Network)  Service

For Customer highly available access CloudFront uses a global network of 82 edge locations and 11 regional edge cache across 23 country and  49 cities .



Important  :  According to current data above facts are correct it may change in future so please google it before going into exam.


Key Concepts :

1.  Dynamic and  Customized content 
2.  Security features  -- can enforce end user and  origin to use  HTTPS 
3.  Streaming  features -             

                 - using  RTMP

                 - You can use Microsoft smooth  streaming

                 -  Reporting  and  Analysis

More About  CloudFront :

1.   There  is no additional charges for regional edge cache  and it is enabled by default.
2.   You can choose content  in specific country 
3.   You can serve custom error message to end users
4.   By default no cache control header is set means expiration time but you can from 0 second to  as long as you want.
5.  CloudFront also support  PCI compliance. 
6.  It support  HTTP and HTTP2 with GET,POST,HEAD,PUT,PATCH,DELETE or Options.
7.  You can clear cache but it will be charged 

Important :   CLoudFront  does not cache  POST,PUT,DELETE and PATCH  requests but you may enable cache for OPTIONS request