Rest API - Caching Strategies
Which Cache-Control directive forces caches to revalidate the resource with the server before using it?
Which Cache-Control directive forces caches to revalidate the resource with the server before using it?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the directive that requires revalidation
The 'no-cache' directive means caches must check with the server before using the cached response.Step 2: Differentiate from other directives
'max-age' sets freshness time, 'no-store' disables caching, and 'public' allows caching by any cache.Final Answer:
'no-cache' forces revalidation before use. -> Option BQuick Check:
no-cache = revalidate before use [OK]
Quick Trick: 'no-cache' means check with server before using cache [OK]
Common Mistakes:
MISTAKES- Confusing 'no-cache' with 'no-store'
- Thinking 'max-age' forces revalidation
- Assuming 'public' affects revalidation
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