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Why is it important to avoid duplicate keys in nested error reporting JSON?

hard📝 Conceptual Q10 of 15
Rest API - Error Handling

Why is it important to avoid duplicate keys in nested error reporting JSON?

ABecause duplicates encrypt error messages
BBecause JSON keys must be unique; duplicates cause data loss
CBecause duplicates speed up parsing
DBecause duplicate keys improve readability
Step-by-Step Solution
Solution:

  1. Step 1: Recall JSON key rules

    JSON objects require unique keys; duplicates overwrite earlier values.

  2. Step 2: Understand impact on error reporting

    Duplicate keys cause some error messages to be lost, leading to incomplete reporting.

  3. Final Answer:

    Because JSON keys must be unique; duplicates cause data loss -> Option B

  4. Quick Check:

    Unique keys prevent data loss in JSON [OK]
Quick Trick: Avoid duplicate keys to keep all error data [OK]
Common Mistakes:
  • Thinking duplicates improve readability
  • Believing duplicates speed parsing
  • Confusing duplicates with encryption

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