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What does the rel attribute in a Link header specify in REST API navigation?

easy🧠 Conceptual Q1 of Q15
Rest API - Pagination Patterns
What does the rel attribute in a Link header specify in REST API navigation?
AThe relationship type of the linked resource
BThe HTTP method to use for the link
CThe content type of the linked resource
DThe authentication type required for the link
Step-by-Step Solution
Solution:

  1. Step 1: Understand the role of rel in Link headers

    The rel attribute defines the relationship between the current resource and the linked resource, such as "next", "prev", or "first".

  2. Step 2: Differentiate from other attributes

    It does not specify HTTP methods, content types, or authentication, which are handled elsewhere.

  3. Final Answer:

    The relationship type of the linked resource -> Option A

  4. Quick Check:

    rel = relationship type [OK]
Quick Trick: Remember: rel means relationship type in Link headers [OK]
Common Mistakes:
MISTAKES
  • Confusing rel with HTTP method
  • Thinking rel defines content type
  • Assuming rel sets authentication

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