hard20 pts · first answer countsnetworkingcdn

Origin flooded when a hot object expires

A popular product page is cached for 60 seconds. Each time it expires, thousands of simultaneous requests hit the origin. Which CDN feature fixes this?

A.A much longer DNS TTL for the shop domainB.Request collapsing, so one fetch serves all waitersC.Disabling HTTP/2 on every edge locationD.Moving the origin to a bigger instance only

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Origin flooded when a hot object expires

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