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How the web works

Silver exam

Sixteen questions across the whole track: addresses and DNS, URLs and HTTP, how browsers build pages, HTTPS, cookies, caching and the security rules. Read the exchange, predict the result, type the command.

  • 16 questions
  • 20 minutes
  • Pass mark 80%
  • At least 6 hands-on tasks
Covers IP, ports and DNSURLsHTTP messagesBrowsers and renderingAPIs and JSONHTTPS and TLSCookies and tokensWeb securityCaching and CDNsSpeedThe web app stack

The clock cannot be paused, and leaving counts as an attempt.