Rest API - Caching Strategies
Which HTTP header is commonly used to specify the expiration time for cached responses?
Which HTTP header is commonly used to specify the expiration time for cached responses?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify headers related to caching
Cache-Control header controls caching policies including expiration time.Step 2: Eliminate unrelated headers
Authorization is for access, Content-Type for data format, Accept-Encoding for compression.Final Answer:
Cache-Control -> Option AQuick Check:
Expiration header = Cache-Control [OK]
Quick Trick: Cache-Control header sets expiration time for caching [OK]
Common Mistakes:
MISTAKES- Confusing Cache-Control with Authorization header
- Using Content-Type or Accept-Encoding for caching
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