CDN Basics Skills Tests

CDN Basics — Beginner

Foundations of content delivery networks: edge caching, origin vs edge, cache hits, TTL, geographic distribution, and basic HTTP caching for static and streaming assets. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

CDN Basics — Intermediate

Operational CDN concepts: cache miss behavior, stale-while-revalidate, origin shield, cache key rules, range requests, live vs VOD edge patterns, purge propagation, and basic security at the edge. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

CDN Basics — Advanced

Advanced CDN delivery: multi-CDN strategy, tiered caching topology, cache partitioning, origin failover, token auth edge cases, HTTP/3 and QUIC implications, WAF/DDoS at edge, log sampling, and cost/latency tradeoffs for global streaming. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.