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You want to design a REST API that allows clients to update user profiles partially without sending the entire profile data. Which HTTP method and REST principle best support this requirement?

hard📝 Application Q15 of 15
Rest API - REST API Fundamentals
You want to design a REST API that allows clients to update user profiles partially without sending the entire profile data. Which HTTP method and REST principle best support this requirement?
APUT method and Uniform Interface constraint
BPATCH method and Uniform Interface constraint
CPOST method and Statelessness constraint
DDELETE method and Cacheability constraint
Step-by-Step Solution
Solution:
  1. Step 1: Identify the HTTP method for partial updates

    PATCH is designed for partial updates, unlike PUT which replaces entire resource.
  2. Step 2: Connect the method to the REST principle

    Uniform Interface means using standard methods consistently; PATCH fits this principle for partial updates.
  3. Final Answer:

    PATCH method and Uniform Interface constraint -> Option B
  4. Quick Check:

    Partial update = PATCH + Uniform Interface [OK]
Quick Trick: Partial update uses PATCH and uniform interface [OK]
Common Mistakes:
  • Using PUT for partial updates
  • Confusing POST with PATCH
  • Linking DELETE to updates

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