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Given the REST API path /libraries/3/books/7/chapters, what resource is being accessed?

medium📝 Predict Output Q4 of 15
Rest API - URL and Resource Design
Given the REST API path /libraries/3/books/7/chapters, what resource is being accessed?
ABook 7 in library 3
BAll chapters of book 7 in library 3
CLibrary 3 details
DAll books in library 3
Step-by-Step Solution
Solution:

  1. Step 1: Break down the path segments

    /libraries/3 refers to library with ID 3, /books/7 refers to book 7 inside that library, /chapters refers to chapters of that book.

  2. Step 2: Determine the final resource

    The path ends at chapters, so it accesses all chapters of book 7 in library 3.

  3. Final Answer:

    All chapters of book 7 in library 3 -> Option B

  4. Quick Check:

    Hierarchical path ends at chapters = all chapters [OK]
Quick Trick: Last segment is the resource being accessed [OK]
Common Mistakes:
  • Stopping at parent resource
  • Ignoring the last path segment
  • Confusing resource IDs

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