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Which of the following best describes the statelessness constraint in REST architecture?

easy📝 Conceptual Q1 of 15
Rest API - REST API Fundamentals
Which of the following best describes the statelessness constraint in REST architecture?
AThe server must store the client's session state between requests.
BEach request from client to server must contain all the information needed to understand and process the request.
CClients can only send GET requests to the server.
DThe server must maintain a persistent connection with the client.
Step-by-Step Solution
Solution:

  1. Step 1: Understand the statelessness constraint

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

  2. Step 2: Identify the correct description

    Each request from client to server must contain all the information needed to understand and process the request. states that each request must have all needed info, matching statelessness.

  3. Final Answer:

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

  4. Quick Check:

    Statelessness = Each request self-contained [OK]
Quick Trick: Stateless means no server memory of client between requests [OK]
Common Mistakes:
MISTAKES
  • Thinking server stores session state
  • Confusing statelessness with caching
  • Believing only GET requests are allowed

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