Rest API - REST API Fundamentals
Given the following REST API response headers, which constraint is being applied?
Cache-Control: max-age=3600 ETag: "abc123"
Given the following REST API response headers, which constraint is being applied?
medium📝 Predict Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Analyze the headers Cache-Control and ETag
Cache-Control and ETag headers control how responses are cached by clients or intermediaries.Step 2: Identify the REST constraint related to caching
Cacheability means responses can be stored and reused to improve performance.Final Answer:
Cacheability -> Option AQuick Check:
Cache headers = Cacheability [OK]
Quick Trick: Cache headers indicate cacheability constraint [OK]
Common Mistakes:
- Confusing cache headers with statelessness
- Thinking uniform interface relates to headers
- Assuming client-server means caching
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