DNS Fundamentals — Study Resources & PYQs

Curated resources, past papers and PYQs for DNS Fundamentals.

Study resources

What is DNS? (Article) — Cloudflare's canonical, plain-English explanation of how DNS resolution works.
DNS Explained in 100 Seconds (Video) — Fireship's punchy, well-loved explainer on how DNS resolves domain names.
AWS Skill Builder (Article) — AWS's own official, free digital training platform with hands-on labs and courses for this exact topic area.
Microsoft Learn Training (Article) — Microsoft's own official, free training platform with hands-on modules for this exact topic area.
Google Cloud Skills Boost (Article) — Google Cloud's own official, free training platform with hands-on labs for this exact topic area.