Rest API - Caching Strategies
Which of the following is the correct syntax for a client sending an ETag for validation in an HTTP request header?
Which of the following is the correct syntax for a client sending an ETag for validation in an HTTP request header?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand client validation header syntax
The client uses If-None-Match header with ETag value in quotes.Step 2: Identify correct header format
Correct syntax is If-None-Match: "etag_value" with quotes.Final Answer:
If-None-Match: "abc123" -> Option AQuick Check:
Client sends ETag in If-None-Match header = A [OK]
Quick Trick: Use If-None-Match with quoted ETag value [OK]
Common Mistakes:
MISTAKES- Using ETag header in request instead of response
- Missing quotes around ETag value
- Confusing If-Match with If-None-Match
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