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Which HTTP header should NOT be included in a 204 No Content response according to REST API standards?

easy📝 Syntax Q3 of 15
Rest API - HTTP Status Codes
Which HTTP header should NOT be included in a 204 No Content response according to REST API standards?
ADate
BCache-Control
CContent-Type
DServer
Step-by-Step Solution
Solution:
  1. Step 1: Understand 204 response headers

    204 responses must not include a message body, so Content-Type header is unnecessary and should be omitted.
  2. Step 2: Identify allowed headers

    Headers like Cache-Control, Date, and Server are metadata and can be included.
  3. Final Answer:

    Content-Type should NOT be included -> Option C
  4. Quick Check:

    No body means no Content-Type header [OK]
Quick Trick: No Content-Type header with 204 response [OK]
Common Mistakes:
  • Including Content-Type header with empty body
  • Removing necessary metadata headers
  • Confusing 204 with 200 OK headers

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