AWS Certified Developer - Associate
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In the context of a video streaming application utilizing Amazon CloudFront for content delivery, the development team has decided to implement CloudFront with origin failover to enhance availability. Origin failover provides higher availability by automatically switching to an alternate origin server when the primary one becomes unavailable. Given this setup, which two of the following configurations are accurate when setting up CloudFront with Origin Groups?
A
In the Origin Group of your distribution, all the origins are defined as primary for automatic failover in case an origin fails
B
To set up origin failover, you must have a distribution with at least three origins
C
CloudFront fails over to the secondary origin only when the HTTP method of the viewer request is GET, HEAD or OPTIONS
D
When there's a cache hit, CloudFront routes the request to the primary origin in the origin group
E
CloudFront routes all incoming requests to the primary origin, even when a previous request failed over to the secondary origin