[Solved] A developer notices the REST API cache is never used. What could be a reason? — Ans: Cache-Control headers are missing or set to no-cache | Rest API

Rest API - Caching Strategies

A developer notices the REST API cache is never used. What could be a reason?

AThe server has too much memory

BThe API uses POST requests for data retrieval

CCache-Control headers are missing or set to no-cache

DThe client uses HTTPS

Step-by-Step Solution

Solution:

Step 1: Understand cache control headers
Cache-Control headers tell clients and servers when to cache or not.
Step 2: Identify effect of missing or no-cache headers
If headers are missing or set to no-cache, caching is disabled and cache is never used.
Final Answer:
Cache-Control headers are missing or set to no-cache -> Option C
Quick Check:
Cache not used due to headers = B [OK]

Quick Trick: Set Cache-Control headers to enable caching [OK]

Common Mistakes:

MISTAKES

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