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Why might expanding too many related resources in a REST API request be problematic?

hard📝 Conceptual Q10 of 15
Rest API - Advanced Patterns
Why might expanding too many related resources in a REST API request be problematic?
AIt disables pagination
BIt can cause the response to be very large and slow
CIt hides the main resource data
DIt always causes syntax errors
Step-by-Step Solution
Solution:

  1. Step 1: Consider impact of many expansions

    Embedding many related resources increases response size and processing time.

  2. Step 2: Evaluate options

    Only It can cause the response to be very large and slow correctly describes the performance and size issue; others are incorrect effects.

  3. Final Answer:

    It can cause the response to be very large and slow -> Option B

  4. Quick Check:

    Too many expansions = large, slow responses [OK]
Quick Trick: Limit expansions to avoid large, slow responses [OK]
Common Mistakes:
MISTAKES
  • Thinking expansions cause syntax errors
  • Assuming expansions hide main data
  • Believing expansions disable pagination

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