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Given this REST API call to delete users with IDs 3, 5, and 7:

medium📝 Predict Output Q13 of 15
Rest API - Batch and Bulk Operations

Given this REST API call to delete users with IDs 3, 5, and 7:
DELETE /users?ids=3,5,7
What is the expected behavior?

AOnly user with ID 3 is deleted.
BUsers are deleted one by one with separate requests.
CThe server returns an error because multiple IDs are not allowed.
DUsers with IDs 3, 5, and 7 are deleted in one request.
Step-by-Step Solution
Solution:
  1. Step 1: Analyze the query parameter usage

    The query parameter 'ids=3,5,7' lists multiple IDs to delete.
  2. Step 2: Understand batch delete behavior

    The API deletes all specified users in one DELETE request.
  3. Final Answer:

    Users with IDs 3, 5, and 7 are deleted in one request. -> Option D
  4. Quick Check:

    Batch delete with multiple IDs = one request deletes all [OK]
Quick Trick: Multiple IDs in query means batch delete in one request [OK]
Common Mistakes:
MISTAKES
  • Assuming only first ID is deleted
  • Thinking server rejects multiple IDs
  • Believing multiple requests are sent automatically

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