How can you combine If-None-Match header handling with JSON response compression to improve REST API performance?

hard📝 Application Q9 of 15

Rest API - Caching Strategies

How can you combine If-None-Match header handling with JSON response compression to improve REST API performance?

ASend 304 with compressed JSON body if ETag matches

BCompress JSON always, ignore ETag and send 200

CCheck ETag match first, return 304 without body, else compress JSON and send 200

DDisable compression when <code>If-None-Match</code> header is present

Step-by-Step Solution

Solution:

Step 1: Use ETag to avoid sending unchanged data
If ETag matches, respond 304 with no body to save bandwidth.
Step 2: Compress JSON only when sending data
If resource changed, compress JSON response to reduce size and send 200 OK.
Final Answer:
Check ETag match first, return 304 without body, else compress JSON and send 200 -> Option C
Quick Check:
Combine ETag check and compression for best performance [OK]

Quick Trick: Return 304 before compressing JSON to save resources [OK]

Common Mistakes:

MISTAKES

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