[Solved] Identify the error in this HTTP request snippet:GET /data HTTP/1.1If-None-Match: abc123 — Ans: ETag value is missing double quotes | Rest API

Rest API - Caching Strategies

Identify the error in this HTTP request snippet:
GET /data HTTP/1.1 If-None-Match: abc123

AETag value is missing double quotes

BGET method cannot use If-None-Match header

CHeader name should be If-Match instead

DETag value should be numeric only

Step-by-Step Solution

Solution:

Step 1: Check ETag header syntax
ETag values must be enclosed in double quotes in headers.
Step 2: Identify the missing quotes
The value abc123 is unquoted, which is invalid syntax.
Final Answer:
ETag value is missing double quotes -> Option A
Quick Check:
ETag values require double quotes [OK]

Quick Trick: Always quote ETag values in If-None-Match header [OK]

Common Mistakes:

MISTAKES

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