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What does the statelessness requirement in REST APIs mean?

easy📝 Conceptual Q11 of 15
Rest API - REST API Fundamentals
What does the statelessness requirement in REST APIs mean?
AEach request from client to server must contain all information needed to understand and process it.
BThe server must remember all previous requests from the client.
CThe server stores user session data between requests.
DThe client does not need to send any authentication information after the first request.
Step-by-Step Solution
Solution:

  1. Step 1: Understand statelessness in REST

    Statelessness means the server does not keep any client context between requests.

  2. Step 2: Identify what each request must contain

    Each request must have all data needed to process it, including authentication and parameters.

  3. Final Answer:

    Each request from client to server must contain all information needed to understand and process it. -> Option A

  4. Quick Check:

    Statelessness = All info in each request [OK]
Quick Trick: Remember: server forgets past requests, all info sent every time [OK]
Common Mistakes:
  • Thinking server stores session data
  • Assuming client sends partial info only once
  • Confusing statelessness with authentication persistence

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