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How can you combine the Deprecation header with a custom warning message to inform clients about upcoming API removal?

hard🚀 Application Q9 of Q15
Rest API - Versioning Strategies
How can you combine the Deprecation header with a custom warning message to inform clients about upcoming API removal?
AInclude Deprecation header with date and Warning header with a message
BUse only the Deprecation header with a message string
CAdd a Retry-After header with the removal date
DSet Cache-Control header to no-store
Step-by-Step Solution
Solution:
  1. Step 1: Understand header roles

    Deprecation header signals deprecation date; Warning header can carry human-readable messages.
  2. Step 2: Identify correct combination

    Include Deprecation header with date and Warning header with a message correctly uses Deprecation for date and Warning for message, which is standard practice.
  3. Final Answer:

    Include Deprecation header with date and Warning header with a message -> Option A
  4. Quick Check:

    Deprecation + Warning = date + message [OK]
Quick Trick: Use Warning header for messages with Deprecation date [OK]
Common Mistakes:
MISTAKES
  • Putting message inside Deprecation header
  • Using Retry-After for warnings
  • Ignoring Warning header usage

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