Skills101
← All practice quizzes

Quiz: Caching and CDNs

5 questionsNo time limitPass: 60%+10 XP on first pass

Where to cache, the cache-aside pattern as a picture, TTL and invalidation, eviction policies like LRU, write-through vs write-back, and CDNs for static content.

Log in to take the quiz

Free account · see your score, answers and explanations, earn XP

  1. Question 1

    In cache-aside, what happens on a cache MISS?

  2. Question 2

    What does a TTL do?

  3. Question 3

    Which eviction policy removes the item that hasn't been used for the longest time?

  4. Question 4

    What is a CDN mainly used for?

  5. Question 5

    Which write strategy is fastest but risks losing data if the cache crashes?