CDN Caching Rules and Optimization Quiz

5 questions Pass: 70% +25 pts (50 with Pro)

Quiz covering Content Delivery Networks

What you'll be asked

  1. What is the primary purpose of a Content Delivery Network (CDN) in terms of caching?
  2. Which HTTP header is primarily used to instruct a CDN on how long to cache a specific resource?
  3. You have updated a CSS file on your origin server, but users are still seeing the old version. Which process should you trigger to ensure the CDN serves the updated file immediately?
  4. What is the primary benefit of using 'Cache Busting' techniques, such as appending version strings (e.g., style.css?v=2.0) to filenames?
  5. If your origin server sends a 'Vary: Accept-Encoding' header, how does this affect the CDN's caching behavior?

Answers and explanations come after you submit.