Advanced – Non-Functional Testing
CDN – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
A Content Delivery Network — a geographically distributed network of servers that cache and deliver static assets close to users.
In simple words
A network of servers around the world that speeds up static content delivery.
Exam tip
CDN test focus: cache-hit ratio, invalidation, and origin failover.
Related terms
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